Naturalistic observation would be the most effective method for learning about how tigers interact with one another in their surroundings.
A study technique called naturalistic observation involves observing participants in their natural settings. Many psychologists and other social scientists employ this strategy. It is an approach to qualitative research that emphasizes gathering, analyzing, and describing non-numerical data. Participant observation, non-participant observation, covert observation, and overt observation are the four basic categories of observation used in sociology.
In observational research, people and phenomena are observed in their most natural environments. Instead of structured environments like research labs or focus groups, this enables researchers to observe their participants' decisions and responses to circumstances in their natural surroundings
To learn more about Naturalistic please click on below link
https://brainly.com/question/13449138
#SPJ4
Cyanobacteria are the only prokaryotic phototrophs that Choose one or more: A. have both PSII and PSI B. can use H2O as an electron donor. C. evolve oxygen as a result of photolysis. D. create a from the flow of photoexcited electrons. E. can fix CO2 into biomass F. can use photoexcited electrons to reduce NAD(P)".
Cyanobacteria are the only prokaryotic phototrophs that-
A. Have both PSII and PSI
B. Can use H2O as an electron donor.
C. Evolve oxygen as a result of photolysis.
What are cyanobacteria?Aquatic and photosynthetic, or living in water, means that cyanobacteria can produce their own sustenance. Since they are bacteria, they are typically unicellular and fairly minute, yet they frequently form colonies that are large enough to be seen.
They hold the distinction of being the oldest fossils ever discovered, dating back more than 3.5 billion years! The fact that cyanobacteria, one of the biggest and most significant kinds of bacteria on earth, are still alive and well might surprise you in light of this. Cyanobacteria are also called blue-green algae.
To know more about Cyanobacteria, refer to-
https://brainly.com/question/11641662
#SPJ4
the astronaut happens to have potatoes (real ones) on board. he plants them in martian soil. suppose the co2 levels are a bit higher than on earth. what impact will this have on the plant biomass (size of the leafy part of the potato) and on the nutritional value (nutrition within the potato)?
When the CO₂ levels are higher on mars then the biomass of the plant will be increased and the nutritional value will be decreased.
Biomass is defined as the total quantity of any substance per unit area or volume. The biomass is made up of carbon element, hence more the carbon in any substance more is its biomass. Since the CO₂ are high in martian soil, this depicts high biomass of potatoes there.
Nutritional value is defined as the balanced proportion of all the components like carbohydrate, proteins, fats, etc. Since the CO₂ content is high it will lead to more amounts of carbohydrates then the proteins and other components.
To know more about nutritional value, here
brainly.com/question/21052032
#SPJ4
suppose that gene b is x-linked, recessive, and embryonic lethal. a man marries a woman who is heterozygous for this gene. if this couple had many normal children, what would be the predicted sex ratio of these children?
Mendelian crossover procedures can be used to make observations and anticipate the children's sex ratio. Parents and children share the genotypes XX, XY, XX (b), and X (b) Y.
Given that the b gene is fatal and sex-linked recessive. Due to its sex-related nature, it will be connected to the X chromosome in those who are afflicted or carriers. People who are heterozygous for this gene have offspring.Males have one X and one Y chromosome, whereas females have two X chromosomes. Therefore, a girl who has one affected X chromosome is not considered to have the condition. She'll act as a carrier. Males that have only one affected X chromosome are considered to be afflicted.
The guy has the genotype XY, whereas the lady has the genotype.
The symbol for the cross is XX(b)*XY.
XX X_(b ) Y XX_(b ) X_(b ) Y
In the progeny, there is a 50% probability that the kid will be a girl and a 50% chance that the child will be a boy. Of the two females, one will be a carrier and the other will not have the fatal gene B.
One of the two men will be impacted by receiving an extra copy of the X (b) chromosome from the mother, while the other will not.
Learn more about genotypes Refer:brainly.com/question/12116830
#SPJ4
coraline analyzed the data and stated that the better measure of center for the women is the median. is coraline correct? explain your reasoning.
According to Coraline's analysis of the data, the median is a better indicator of the center for women. After analyzing the data, Michaela concluded that the mean is a better indicator of the center for women.
What is coraline?
The median would be the most appropriate measure of center because of the slight skew. The statistics students analyzing the data were asked to study. The perceived under representation of female speakers at prominent scientific meetings is currently a popular topic for discussion. coraline analyzed the data and stated that the better measure of center for the women is the median. Cardiac CT was performed on a total of 169 patients with HIV and 81 controls. Those who had HIV had more epicardial fat volume.
To learn more about female speakers from given link
brainly.com/question/27995786
#SPJ4
Silicon has properties that are very similar to carbon. How would we need to revise definitions of life if silicon based life is found on another planet ?
The discovery of life based on silicon would imply that carbon is not central to life as previously supposed.
What is carbon?We know that carbon is an element that we can find in group fourteen of the periodic table. Carbon is an element that has been said to be very important to life. We know that all the living things that can be found on earth are composed of the element that we call carbon. As such a study of the chemistry of the life on earth is essentially almost the same as the study of carbon.
So much so that the element carbon can now be seen as the only element that could be said to be fundamental to life. This is the position that has stood unchallenged for so many years.
If we can be able to find yet another planet where there is life based on silicon then it means that life is not only completely based on the chemistry of carbon as has been postulated.
Learn more about carbon:https://brainly.com/question/22530423
#SPJ1
Please help explain if this is a correct answer
Answer: I'm supporting this option
Explanation: in bio chemistry it is a biological conversion which contains the carbon molecule and nutrients and convert into organic matter through oxidation of inorganic compound as a source of energy instead of sunlight.
Animal Phylum Symmetry Related to: Snail Fish Earthworm Anemone Frog Jellyfish Starfish Alligator Ant Elephant Coral Mouse Add Your Own Animals below (3)
1) Molluscan snails with bilateral symmetry; examples include clams, octopus, and snails. 2) Fish in the Chordata phylum are bilaterally symmetrical; examples are dog fish and Rohu 3) Bilateral symmetry in the Earthworm Phylum Annelida
Snails are phylum Mollusca members and have bilateral symmetry. The body designs of creatures in the phylum Ctenophora (comb jellies) and Cnidaria are characterized by this type of symmetry (corals, sea anemones, and other jellies). Bilateral symmetry, often known as plane symmetry, is a characteristic shared by 99% of all organism's and the majority of phyla, including Chordata, Annelida, Arthropoda, Platyzoa, Nematoda, and the majority of Mollusca. Cephalization is the term used to describe an organism's concentration of sensory and neurological tissues within a head-like structure. Animals with well-formed, complex heads or head-like features frequently exhibit bilateral symmetry.
learn more about Phylum and Symmetry here:
https://brainly.com/question/9705669
#SPJ4
In fruit flies, the genes for wing length and body hair each have two alleles. Long wings and a hairless body are dominant to alleles for vestigial (functionally useless) wings and a hairy body.
A. Calculate the genotypes and phenotypes of the offspring from the cross between a vestigial-winged, hairy male and a homozygous dominant female.
B. Calculate the genotypes and phenotypes of the F2 offspring
B.
The genotypes and phenotypes of the offspring from the cross between a vestigial-winged, hairy male denoted as 'aa' and a homozygous dominant female denoted as 'AA' will be long wings and a hairless body flies with genotype Aa, while the genotypes in the F2 will include AA, aA and aa as well as both phenotypic variants.
Which are the genotypes and phenotypes in a crossing of pure lines?The genotypes and phenotypes in a crossing of pure lines include only heterozygous individuals in theFf1 (genotype) and all these individuals will express the dominant trait.
In a Punnett square it can be represented as:
A A
a Aa Aa
a Aa Aa
Therefore, with this data, we can see that the genotypes and phenotypes in a crossing of pure lines will produce only dominant individuals which allow the segregation of alleles in the F2 to form the there types of possible phenotypes in proportion 3:1 dominant:recessive.
Learn more about crossing pure lines here:
https://brainly.com/question/22985258
#SPJ1
which set of facts about action potential is true? it is exhibited by cells that were previously not at resting potential. it is created by an unequal distribution of ions. every stimulus can generate it. potassium gates open to allow an inflow of potassium ions. it is exhibited by cells that were previously at resting potential. it is created by an equal distribution of ions. it requires a stimulus to take place. sodium gates open to allow an inflow of sodium ions.
An action potential is generally based upon stimulus so it requires a stimulus to take place is the correct option.
The movement capability is stated to be all-or-not anything as it happens most effective for sufficiently huge depolarizing stimuli, and due to the fact its shape is essentially unbiased of the stimulus for suprathreshold stimuli. In a few neurons, a single movement capability may be caused with the aid of using the offset of a hyperpolarizing stimulus.
The movement capability is an explosion of electrical hobby this is created with the aid of using a depolarizing current. This manner that a few event (a stimulus) reasons the resting capability to transport closer to zero mV. When the depolarization reaches about -fifty five mV a neuron will hearthplace an movement capability.
Read more about ions:
https://brainly.com/question/305470
#SPJ4
which statement is false about why infants have a narrow chemical safety margin? a. the immaturity of tubules may diminish the response to antidiuretic hormone (adh). b. an immature tubular transport capacity impairs the reabsorption of bicarbonate or buffer hydrogen with ammonia. c. an immature tubular transport capacity impairs the excretion of potassium. d. the immaturity of tubules may d
d. The immaturity of tubules may diminish the response to aldosterone. Babies nervous systems are underdeveloped at birth and fully develop throughout the first several years of life.
As a result, it has been suggested that colic is caused by an immature neurological system. Coincidentally, colic often subsides as the nervous system reaches a more mature stage at around three months of age. Low sodium levels (hyponatremia), an excess of potassium (hyperkalemia), and an acid-producing disorder are all signs of this illness (metabolic acidosis). Muscle weakness, nausea, palpitations, an irregular pulse, and abnormal blood pressure can all be brought on by these symptoms.
Lack of aldosterone, a hormone that regulates salt intake, can result in hyperkalemia. Lack of salt-retaining hormone results in reduced renal tubular reabsorption of sodium, as is most frequently observed in individuals with adrenal insufficiency.
The complete question is:
Which statements are true regarding the narrow chemical safety margin that infants demonstrate? (Select all that apply.)
a.The immaturity of tubules may diminish the response to antidiuretic hormone (ADH).
b.An immature tubular transport capacity impairs the excretion of potassium.
c.An immature tubular transport capacity impairs the reabsorption of bicarbonate.
d.The immaturity of tubules may diminish the response to aldosterone.
e.The safety margin begins to expand after 2 years of age.
Learn more about aldosterone
https://brainly.com/question/28303131
#SPJ4
this part of the middle ear vibrates and stimulates the bones of the ossicles when it perceives sounds waves.
When sound waves enter the ear, the eardrum vibrates, sending these vibrations to three small bones in the middle ear.
The malleus, incus, and stapes are the names of these three bones.
The part of the outer ear that is visible is called the auricle (pinna). It gathers sound waves and directs them into the external auditory meatus of the ear, where they are amplified.
The ossicles began moving as a result of the eardrum's vibrations. The smallest bones in the human body, the ossicles are essentially very small bones. The names of the three bones—the malleus (hammer), incus (anvil), and stapes—are based on their forms (stirrup). The ossicles magnify the sound even more.
The cochlea, an organ with the shape of a snail, is where sound waves first enter the inner ear. As a result of the vibrations from the oval window, a fluid inside the cochlea moves. 25,000 nerve endings are activated as the fluid flows. The vibrations are converted by these nerve terminals into electrical impulses that then travel along the eighth cranial nerve.
To know more about the structure of ear :
https://brainly.com/question/7547770.
#SPJ4.
Which of the following explains why B vitamin deficiencies lead to lack of energy?
a. B vitamins are a source of kilocalories
b. Absorption of carbohydrates and fats is decreased
c. Oxygen for energy metabolism cannot be transported to the cells
d. Coenzymes needed for energy metabolism are produced in insufficient amounts
As the building blocks of a healthy body, B vitamins have a direct impact on your energy levels, brain function, and cell metabolism. The option (D) is correct.
What are the functions of Vitamin B?B vitamins are a class of water-soluble vitamins that play important roles in cell metabolism and synthesis of red blood cells. Though these vitamins share similar names, they are chemically distinct compounds that often coexist in the same foods.
Moreover, perhaps the most well-known of all the B vitamins, B12 is vital for neurological function, DNA production, and red blood cell development. B12 is found naturally in animal sources like meats, eggs, seafood, and dairy.
Therefore, these vitamins help a variety of enzymes do their jobs, ranging from releasing energy from carbohydrates and fat to breaking down amino acids and transporting oxygen and energy-containing nutrients around the body.
Learn more about Vitamin B:
https://brainly.com/question/24324739
#SPJ1
the ancestors of anthropoids are likely to have originated with as this fossil genus shares many skeletal features in common. a) samburupithecus b) aegyptopithecus c) carpolestes d) notharctus
The ancestors of anthropoids are likely to have originated with as this fossil genus shares many skeletal features in common aegyptopithecus.
What location was most likely the place of origin of anthropoids?Our species likely arose in many places around Africa, not just around the Kalahari Desert, critics say. A new genetic study suggests all modern humans trace our ancestry to a single spot in southern Africa 200,000 years ago.
What is distinctive about the anthropoids?Anthropoids are unique among mammals in having a thin bony partition that isolates the orbit from the temporal fossa. This partition, or postorbital septum, is formed chiefly by varying contributions from the frontal, zygomatic, and alisphenoid bones.
To know more about aegyptopithecus visit:-
https://brainly.com/question/28215323
#SPJ4
base your answer on the diagram below and on your knowledgeof biology. the diagram represents a single celled organism, such as an amoeba, undergoing the changes shown. process 1 is known as
an amoeba, undergoing the changes shown. process 1 is known as mitotic cell division.
Which five steps in mitotic cell division are there?According to current understanding, mitosis comprises five stages depending on the physical condition of the chromosomes and spindle.Prophase, prometaphase, metaphase, metaphase, and telophase are these stages.
How is the proof of mitotic cell division presented?Some species use the process of mitotic cell division to procreate or make new life.Mitosis is a reproductive process employed by single-celled eukaryotic organisms such amoebas.A single cell organism divides into two new cells to produce a second copy of itself when it multiplies.
To know more about biology visit:
https://brainly.com/question/14596078
#SPJ4
if the 5′ → 3′ nucleotide sequence on the nontemplate dna strand is cat, what is the corresponding codon on mrna?
If the 5′ → 3′ nucleotide sequence on the nontemplate DNA strand is CAT the corresponding codon on mRNA will be CAU.
What are codon and anticodon definitions?An mRNA codon is a triplet or triple-nucleotide sequence that codes for a certain amino acid during translation. A three-nucleotide sequence called the anticodon is present on tRNA and binds to the appropriate mRNA sequence. The anticodon sequence determines which amino acid is delivered by the tRNA molecule.
How do codons function?Any of the 64 distinct DNA sequences of three consecutive nucleotides that either encode information for the creation of a particular amino acid or act as a stop signal to end translation are referred to as codons in genetics (protein synthesis). Adenine (A), guanine (G), cytosine (C), and uracil (U) are the four nitrogenous bases that make up codons (U).
To know more about codon visit
https://brainly.com/question/22991780
#SPJ4
the radial muscle of the iris causes the pupils to dilate. therefore, which branch of the ans controls the radial muscles?
The iris' radial muscle causes the pupils to enlarge. Which ANS branch therefore regulates the radial muscles? the sympathetic nervous system
A network of neurons in your body called the sympathetic nervous system aids in the "fight-or-flight" reaction. When you're under stress, in danger, or engaged in physical exercise, this system becomes more active.
Your autonomic nervous system includes your sympathetic nervous system. It might be referred to as your "automatic" nervous system because it controls a variety of processes that don't require conscious thought. Among other things, this can include managing your heart rate, blood pressure, digestion, urination, and perspiration.
The ability of your sympathetic nervous system to react to risky or stressful conditions is its most well-known function. When this happens, your sympathetic nervous system kicks in to help you escape danger by increasing your heart rate, pumping more blood to areas of your body that need it, and other responses.
Learn more about sympathetic nervous system is visit here;
https://brainly.com/question/28485355
#SPJ4
3. Which type of epithelial tissue would be the least protective? Explain your answer:
a. simple squamous
b. stratified non-keratinized
c. stratified keratinized
d. transitional
Stratified non-keratinized is a type of epithelial tissue would be the least protective.
What is epithelial tissue?For a bodily part, this tissue acts as a liner or covering. It has a free surface that is either open to bodily fluids or the environment outside. Simple epithelium (a single layer of cells) and complex epithelium are the two categories for epithelial tissues (two or more layers of cells).
Non-keratinized stratified squamous epithelial tissue is the least protective form of epithelial tissue. This indicates that a very thin layer of squamous epithelial cells, which are flat, thin cells, makes up the tissue.
Stratified non-keratinized is a type of epithelial tissue would be the least protective.
Correct option. b
To know more about epithelial tissue refer to:
https://brainly.com/question/25092492
#SPJ1
Learning through Art: Monohybrid Cross plant Eggs from Go F, plant Sperm trom plant 1
The answers are: (a) GG, (b) Green plant, (c) Gg, (d) Green Plant, (e) gG, (f) Green Plant, (g) gg, (h) Yellow Plant after cross-breeding.
If two monohybrid cross plants are crossbred with each other:
Genes of Plant 1: Gg
Genes of Plant 2: Gg
Here, Gene G is responsible for the color green.
and Gene g is responsible for the color yellow.
Cross-breeding of both plants
G g
G GG Gg
Green Green
g gG gg
Green Yellow
As Gene G is responsible for the Green color and g is responsible for the yellow color where the dominant gene is G and gene g is the recessive gene.
Thus, plants with GG, Gg, and gG genes will turn out Green plants, and only gg with Yellow plant.
The complete question is:
Monohybrid Cross X Gg F, plant Gg F, plant Sperm from F, plant G 9 99 G (b d GO Eggs from F, plant GG g
To learn more about plant cross-breeding please click on the given link: https://brainly.com/question/26281051
#SPJ4
06.7 . During many epidemics health-care professionals emphasize the importance of community mitigation strategies, such as wcaring masks, frequent hand-washing and social distancing; Why it important for people to adopt these strategies? a)These stralegies are only effective with full compliance. everyone must be encouraged t0 practice them . b)These strategies are tne best way to reduce the length of lire Ihal person able t0 transmit disease c)These strategies help reduce transmission; even when drug-based treatments and vaccines are unavallable d)These strategies help the population achieve herd immunity: which doesn"t require that everyone is immune
c) These strategies help reduce transmission; even when drug-based treatments and vaccines are unavailable, helps gain immunity.
During epidemics like corona, drugs and vaccines are not available every part of the country and villages as it was newly discovered virus and was not possible to vaccinate such large population in such a short time.
Hence, from this concept of community immunity arises, where such as community wear masks, frequent hand washing, and social distancing helps to stop the fast spread of virus in the community, which in turns help other people till more than half of population is vaccinated to develop community immunity.
This step is done to protect the virus from spreading from one person to another before the development of vaccine and community immunity.
To know more about immunity,
https://brainly.com/question/8189807
#SPJ4
Cows can derive nutrients from cellulose because a. they produce enzymes that recognize the shape of the glucose-glucose bonds and hydrolyze them. b. they re-chew their cud to break down cellulose fibers. c. their digestive tract contains microorganisms that can hydrolyze the bonds of cellulose. d. they convert cellulose to starch and can digest starch.
Cows can derive nutrients from cellulose because - c. their digestive tract contains microorganisms that can hydrolyze the bonds of cellulose.
Why are cow able to digest cellulose?A particular class of molecules known as cellulose has hundreds or perhaps thousands of carbon, hydrogen, and oxygen atoms. The type of primary component that makes up the walls of plant cells is called cellulose. Plants benefit by being rigid and erect.
Due to the presence of ruminococcus, a cellulose-digesting bacterium, in the rumen, cattle can digest cellulose. Cellulase, an enzyme that these bacteria make, may convert cellulose to glucose.
Hay and grasses have a lot of cellulose, yet humans cannot digest any of them (although humans can digest starch). Even while termites and herbivores like cows, koalas, and horses all digest cellulose, none of these species really possess the enzyme needed to do so.
To know more about cellulose refer to:
https://brainly.com/question/17833719
#SPJ1
you are examining long-term potentiation in two groups of hippocampal neurons: control and treated. you induce lasting ltp in the control cells after repetitive high-frequency stimulation. in the treated cell, however, the potentiation begins to decrease after 2 hours. what treatment was given?
A drug that inhibits protein synthesis will be given as a treatment.
Drugs known as protein synthesis inhibitors prevent the generation of bacterial proteins, hence preventing the growth of such germs. Aminoglycosides, tetracyclines and glycylcyclines, chloramphenicol, macrolides and ketolides, lincosamides, streptogramins, oxazolidinones, spectinomycin, mupirocin, fusidic acid, and pleuromutilins are a few of the different medication classes categorised as protein synthesis inhibitors. Except for aminoglycosides and the streptogramin fixed dose combination of quinupristin/dalfopristin, all protein synthesis inhibitors are bacteriostatic. Protein synthesis drug inhibitors work by attaching to the ribosome's 30S, 50S, or both subunits to inhibit protein synthesis. The 30S subunit is a binding site for spectinomycin, glycylcyclines, and tetracyclines. Contrarily, the 50S subunit is bound by chloramphenicol, macrolides, ketolides, lincosamides, streptogramins, oxazolidinones, and pleuromutilins.To know more about protein check the below link:
https://brainly.com/question/7286805
#SPJ4
Which of the following is not directly involved in translation?
During translation, DNA is not directly involved in its process.
What is directly involved in translation?In the translation procedure, tRNA (transfer RNA) plays a role in solving the information present in mRNA into a polypeptide chain or a protein. Thus, tRNA is directly involved in the translation process.
The rRNA (ribosomal RNA) helps in permanent the tRNA with the mRNA strand. This binding helps in translating the codon order present in mRNA into specific amino acids which will cause a polypeptide chain. Thus, rRNA is directly involved in the translation process.
So we can conclude that DNA is the correct option.
Learn more about translation here: https://brainly.com/question/2273699
#SPJ1
Which component is not directly involved in the process known as a translation?
(a)Ribosomes
(b)tRNA
(c)DNA
(d)mRNA
based on the phenotypes of the parental plants and f1 plants from the heredity i lab, which phenotypes are dominant?
Trichomes(no GFP), Glabrous(GFP positive), Trichomes(GFP positive), and Glabrous(no GFP) are phenotypes dominant.
In a diploid organism, two alleles for a particular gene are expressed and interact to produce physical traits. Phenotype is the term used to describe the observable characteristics that an organism expresses.
The genotype is the underlying genetic composition of an organism, which includes both the physically expressed and non-expressed alleles. Mendel’s hybridization experiments demonstrate the difference between phenotype and genotype.
To know more about Mendel's Hybridization experiment click here:
brainly.com/question/3951250
#SPJ4
studies the functions of the body and its parts
The scientific study of how a biological organism works and how its mechanisms work is called physiology.
Physiology is a branch of biology that focuses on how animals, organ systems, specific organs, cells, and biomolecules perform the chemical and physical processes necessary for a living system to function.
Animal function is the subject of physiology, which can be studied at the level of individual cells, tissues, organ systems, and even the entire body. The overarching objective is to describe the basic workings of biological systems and their interactions.
The field can be separated into medical physiology, animal physiology, plant physiology, cell physiology, and comparative physiology in accordance with the types of organisms.
For more information on physiology kindly visit to
https://brainly.com/question/14741361
#SPJ4
Are the ion channels' pore-forming transmembrane domains hydrophobic alpha helixes?
The ion channels' pore-forming transmembrane domains hydrophobic alpha-helices.
By using infrared spectroscopy, the structure of the pore-forming transmembrane region of the Torpedo nicotinic acetylcholine receptor has been studied.
Affinity-purified receptors treated with proteinase K or proteinase pronase have their extramembranous domains (about 75 percent of the protein mass) digested, leaving behind hydrophobic membrane-imbedded peptides that range in size from 3-6 kDa and are immune to peptide (1)H/(2)H exchange.
The transmembrane domain preparations' infrared spectra show reasonably strong and symmetric amide I and amide II band contours, accordingly centred about 1655 and 1545 cm(-)1 in (1)H(2)O and (2)H(2)O.
The amide I band is extremely reminiscent to the amide I bands seen in the spectra of alpha-helical proteins, including myoglobin and bacteriorhodopsin, which lack beta structure and display far less beta-sheet character than seen in proteins with a lesser as 20% beta sheet.
With the residual peptides presumably acquiring prolonged and/or turn structures at the bilayer surface, curve-fitting predicts that 75–80% of the peptides have an alpha helical nature.
Transmembrane alpha-helices aligned perpendicular to the surface of the bilayer are aligned with infrared dichroism spectra. The nicotinic receptor, the most extensively researched ligand-gated ion channel, is thought to have five bundles of four transmembrane alpha-helices in its transmembrane domain.
To know more about transmembrane, visit:
https://brainly.com/question/3167745
#SPJ4
air pollution select one: a. first occurred as a result of the industrial revolution and the use of fossil fuels by factories. b. is caused primarily by burning fossil fuels. c. may have serious consequences for human health but rarely affects plant life. d. is not a significant problem in developing countries.
The burning of fossil fuels (coal, diesel, gasoline, oil, and natural gas) is the primary cause of air pollution on a global scale.
Air pollution existed throughout the Industrial Revolution?Due to the fact that highly polluted cities became the principal concern during the industrial revolution, which culminated in the great haze of London in 1952, both the size of primary pollutant emissions and the geographic dispersion of contributing nations increased.
When did the planet's first air pollution occur?Around 1480, the Quelccaya core records the first traces of pollution from Inca metallurgy. These traces of bismuth were presumably released into the atmosphere during the production of bismuth bronze, an alloy that has been found in the Inca citadel at Machu Picchu.
To know more about fossil fuels visit :-
https://brainly.com/question/2029072
#SPJ4
The main evolutionary advantage of pollen is ____.
O providing a food source for developing seeds
O protection from potential herbivores
O the ability to transport male gametes without water
O giving flowers color
Which of the following is an example of an angiosperm?
O fern
O oak tree
O moss
O pine tree
O the ability to transport male gametes without water, A flowering plant, which forms seeds inside a protective chamber called an ovary. Ex. Oak Tree.
What is pollen's key evolutionary benefit?Plants can reproduce without water thanks to the evolution of seeds, and pollen enables them to spread their gametes widely.
What benefit do flowers have for angiosperm evolution?In order to draw pollinators and safeguard their seeds, angiosperms have evolved blooms and fruit.Flowers come in a broad variety of hues, forms, and scents, each of which is designed to draw pollinators.
To know more about angiosperm visit:
https://brainly.com/question/9416370
#SPJ4
In which situation has heat energy moved mainly by conduction through matter?
Responses.
A: A radiator heated with hot water warms a room.
B: The red-hot coil of an electric space heater is used to keep a small room warm.
C: The handle of a cast iron skillet being used to cook something becomes too hot to touch.
D: The person sitting closest to the blazing fire finds it necessary to move farther from the heat.
When the handle of a cast iron pan being used to cook something becomes too hot to touch, heat energy is moving through matter by conduction. Therefore, option (C) is correct.
What is conduction?The movement of thermal energy through a substance (matter) as a result of physical contact is referred to as conduction. It is a significant component of the process through which heat is transmitted from one thing to another. These are some of the others:
Because the heat from the burner is transferred directly into the pot, the handle of a cast iron skillet that is being used to cook food becomes too hot to touch while the skillet is in use. The handle of the cast iron skillet will get warm as a result of the heat being transferred from the pot when it rises to a boil.
The best situation for heat energy to move mainly by conduction is when there is direct contact between the source of heat and the matter being heated. For example, the handle of a cast iron skillet that is being used to cook something becomes too hot to touch when the skillet has reached the desired cooking temperature.
Learn more about conduction, here:
https://brainly.com/question/12136944
#SPJ1
hat are biogeochemical cycles and how do elements of carbon and nitrogen transfer between organic and inorganic molecules?
It is also known as nutrient cycling. It is the movement of nutritive elements through the various components of an ecosystem.
The ways in which an element or compound, such as water, moves between its various living and non living forms and locations in the biosphere is called the biogeochemical cycle. Biogeochemical cycles important to living organisms include the cycles of water, carbon, nitrogen, phosphorous, and sulfur. The nitrogen cycle is a biogeochemical process through which nitrogen is converted into many forms, successively passing from the atmosphere to the soil, to the organism, and back to the atmosphere. It involves several processes, such as nitrogen fixation, nitrification, denitrification, decomposition, and putrefaction.
To know more about ecosystem please click on below link.
https://brainly.com/question/1673533
#SPJ4
a dtc service, such as 23andme, indicates that jane has a snp that is a genetic risk factor for hypothyroidism. the snp has an odds ratio (or) of 1.5. the average population risk of developing hypothyroidism is 4%. based on this information, what is jane's overall risk of hypothyroidism?
The odds ratio (OR) for the SNP is 1.5. 4% of people in the population are at risk of getting hypothyroidism. According to this data, Jane's total risk of hypothyroidism is 6%.
When the thyroid gland is underactive or hypothyroidism, your body cannot produce enough thyroid hormones to satisfy its demands. The thyroid is a little gland at the front of your neck that resembles a butterfly. hypothyroidism hormone bioactivity may be impacted by single nucleotide polymorphisms (SNPs) in genes involved in thyroid hormone metabolism. Thyroid hormones (THs) attach to thyroid hormone receptors (TRs), which are nuclear hormone receptors. TRs function as ligand-activated transcription factors that bind to the target gene's promoters' cognate thyroid hormone response elements (TREs).
learn more about hypothyroidism here:
https://brainly.com/question/5785569
#SPJ4
