Answer:
hydrogen bonding
Explanation:
water molecules are polar hence forming hydrogen bonding and this gives water unique properties such as relativly high melting and boiling points,high specific heat capacity, cohesion and adhesion
What are the two processes in meiosis that create genetic differences among cells?
The two processes in meiosis that create genetic differences among cells are independent assortment and crossing over.
Meiosis can be described as a process by which gamete cell division takes place resulting in four offsprings, each having half the number of chromosomes as the parent cell.
Crossing over and independent assortment are the two features of the process of meiosis that allow genetic diversity to occur. Through the process of crossing over, segments from the homologous chromosomes are switched. This causes a new combination of genes to occur.
It is due to the independent assortment that alleles can be inherited independently. This means that a newly formed gamete might have any allele, irrespective of any other factor, in its gamete. Alleles are sorted independently during meiosis which causes genetic diversity.
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Homeostasis is also called_______
What conclusions can you draw about species richness and species evenness between the two areas
why do you think it is important to report threats of violence as soon as possible
Answer:
If you don't report it immediately, someone could possibly get hurt when it could've been prevented.
Explanation:
List and describe the 4 characteristics of life.
The four characteristics of living things (life) include the following:
Living things are made up of cells.Living Things reproduce.Living Things are based on genetic code. Living things grow and develop.What are the characteristics of life?The characteristics of life are those features that are exhibited by living organisms without which they may not be able to survive in their immediate environment.
Some of the characteristics of life include the following:
Living things are made up of cells: The cell is known as the functional structural unit of life without which life is not in existence.Living Things reproduce: Living things are known to be able to produce their young ones alive. The process of reproduction prevents them from going into extinction.Living Things are based on genetic code: All living things are made up of genetic materials which are in turn transferred during reproduction to their offspring.Living things grow and develop: The cells of living things do differentiate to have specific functions and multiply into matured cells capable of reproduction.Learn more about genetic material here:
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Mucosal cells make up the mucosa, which lines the lumen. Mucosal cells are in direct contact with food and harsh digestive secretions. How long do the mucosal cells live?.
Mucosal cells make up the mucosa, which lines the lumen. Mucosal cells are in direct contact with food and harsh digestive secretions. The mucosal cells live for two to five days.
In the field of biology, mucosal cells can be described as cells that make up the lining of various organs of the body. They separate various body cavities from the exterior.
The mucosal cells of the lumen are actively involved in the secretion of mucus. This mucus helps in providing lubrication to food as well as protects the lumen from invading pathogens.
As mucosal cells of the lumen are present in a harsh environment, they manage to live only for two to five days. However, the mucosal cells are repeatedly made by the body in order for their function to occur.
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What is the percent chance that an offspring will be produced that has normal hands?
If the hand of one parent is normal than the chance that offspring will be produced that has normal hands is 50%.
What is genetics?Genetics is considered as the branch of biology that deals with the study of genetic variation, genes, as well as heredity found in organisms. There are many types of genetics present there and these are population genetics, phylogenetics, and molecular genetics.
The character owned by parents are trasffered of passes to their offsprings and the characters are passing from one generation to next generation and this happens by the help of genes.There are many types of genetics present there and these are population genetics, phylogenetics, and molecular genetics.
Therefore, If the hand of one parent is normal than the chance that offspring will be produced that has normal hands is 50%.
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describe the different types of climate change
Answer:
There are approximately five main climate types on Earth:
TropicalDryTemperateContinentalPolarHow would you distinguish pseudostratified columnar epithelium from all other tissues?.
According to the Histology of the nephron, simple squamous epithelium in the lumen and simple cubic epithelium in the distal tubule.
The nephrons are the functional and filtering part of the kidneys, composed of the renal corpuscle and its renal tubular system.
The renal corpuscle performs the primary filtration of systemic blood that arrives from the glomerular capillary system.The product of this filtration passes to the renal tubular system, which is responsible for absorbing necessary molecules and secreting waste substances.The loop of Henle is lined by simple squamous epithelium, composed of cells with few organelles, little secretion capacity, and few or no microvilli.The distal convoluted tubule, like the proximal tubule, is lined by simple cubic epithelium, with a single layer of cells of similar width and height.#SPJ2
Distinguish pseudostratified columnar epithelium from all other tissues it is composed of a single layer of cells of varying heights; not all cells reach the free surface, and nuclei are at varying heights within cells
There are many differences between both kinds of tissues as tissues are the main part of making up the organ system.
Pseudostratified epithelial differ from columnar epithelium because they have only a single layer of cells but of different heights and also do not have the ability to contract and expand whereas the columnar epithelial cells have various cell layers and are also able to contract and relax and pseudo epithelial cells are found in the bronchi, trachea and the parts of respiratory organs but the columnar is found in the lining of the urethra and uterus and the pseudo epithelial cells are used for the trapping of dust and other foreign particles whereas the columnar is used for expansion of urethra during urination and also pseudo epithelial cells have cilia which also helps in the movement whereas columnar have the microvilli whereas the pseudo epithelial cells are connected to the basal membrane the columnar on the other side are multilayered so only the lower layer comes in the contact with the basal membrane.
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Which scientist discovered that new cells only come from existing cells?
Answer:
Rudolph Virchow
I cited national geographic but brainly said that my answer included rude words even though it didn't but you can find an article on this topic at national geographic.com
Answer: GoodMorning: )✨The person who discovered that new cells only come from existing cells was - Rudolf Virchow
The third part, which asserts that cells come from preexisting cells that have multiplied, was described by Rudolf Virchow in 1858, when he stated omnis cellula e cellula (all cells come from cells).
Explanation: Robert Hooke discovered cells while working on his microscope around 1665. He observed cells in cork and has described about this in his book 'Micrographia'. Later Leeuwenhoek saw more different types of cells and bacteria. Cell theory was proposed which states cells are the units of structure and function in an organism and that cells arise from pre-existing cells. Each living cell divides into two after a definite interval of time and thus new daughter cells are produced.
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The food web illustrated here exists in Yellowstone National Park.
Secondary
consumers
Red fox
Raven (detritivore)
Primary
consumers
Snowshoe
Red squirrel
hare
Moose
Beaver
Primary
producers
Pine
Maple
Balsam Fir Cottonwood Aquatic plants
If gray wolves were to go extinct, what would be the two most likely effects
on the ecosystem?
Answer:
If the gray wolves go extinct here are two likely effects;
The bever population will increase The aquatic plants in the ecosystem will decreaseExplanation:
If the gray wolves becomes excent then the things that they feed on like the snowshoes hares, deer, and bevers will most likely increase because there is not as many predators to keep the population in check.
As for the aquatic plants because there will be more bevers the plant population will decrease a faster rate as a result.
The food web in Yellowstone National Park will certainly experience an increase in aquatic plant population as a result of wolves being introduced to the area. So, the correct option is A.
What is the difference between food chain and food web?All the food networks in a specific ecosystem make up a food web. Each organism in an environment is a link in a number of food chains. Energy and nutrients can go along different food chains as their move through the environment. A food chain is a group of organisms that are consumed in a linear order, passing nutrients and energy along the way.
Animals find food on one end of a food chain, which has only one path. A food web, however, demonstrates several pathways whereby plants and animals were interconnected. Many food chains make up a food web. An organism consumes just one thing in a food chain, but several things in a food web.
Therefore, the correct option is A.
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Your question is incomplete, most probably the complete question is:
The Yellowstone National Park food web is shown below.
Secondary
consumers
Raven (detritivore)
Red fox
Gray wolf
Primary
consumers
Snowshoe
hare
Moose
Beaver
Red Squirrel
Primary
producers
Pine
Maple Balsam Fir Cottonwood Aquatic plants
What would be the most likely effect of adding wolves to the park?
A. Increased aquatic plant population
B. Decreased maple population
C. Decreased cottonwood population
D. Increased elk population
How many haploid sets of chromosomes are present in a diploid individual cell with a chromosome number of 32? 8 32 16 2 1
The correct option is (c) 16
There are 16 pair of chromosomes present in diploid individual cell with a chromosome number of 32.
This is due to the fact that each of our chromosomes is paired up, with one chromosome from each pair coming from each biological parent. Every human cell in the body has 23 pairs of these chromosomes, making our diploid number 46 and our 'haploid' number 23. 22 of the 23 pairs are considered to be autosomes. The 'X' and 'Y' chromosomes, which make up the 23rd pair, are responsible for sexual differentiation. This pair of chromosomes is in charge of "sex-linked" diseases that run in some families, such the blood disorder haemophilia, which primarily affects men. Males have an X and Y chromosome, whereas females have a pair of X chromosomes.Learn more about the chromosomes with the help of the given link:
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What would be the most likely designation by the who for aml m2 by the fab classification?
Acute myeloid leukemia (AML) with t(8,21) the most likely designation by the who for aml m2 by the fab classification
Acute myeloid leukemia (AML), also known as acute myelogenous leukemia or acute nonlymphocytic leukemia (ANLL), is a cancer of the myeloid line of blood cells, characterized by the rapid growth of abnormal white blood cells that concentrated in the bone marrow and interfere with the manufacturing of normal blood cells. AML is the most common acute leukemia found in adults, and its incidence increases with age.
ML can occur by multiple mutations, chemical exposure, radiation or environmental factors.
Most symptoms direct result of lack of normal cells , Lack of red blood cells causes anaemia, resulting in fatigue and breathlessness
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The sun has blank potential energy and it transforms it into blank energy. a solar panel takes this energy and transforms it into blank. a speaker takes this energy and turns it into blank
The sun has solar potential energy, and it transforms it into light energy. a solar panel takes this energy and transforms it into electrical energy
According to the law of conservation of energy, energy can neither be created not destroyed but can transformed from one form to another.
The sun has abundance of solar energy which can be inform of light or heat energy. These energies can be converted to generate electricity through the use of PV solar panels which trapped the light energy from sun and convert it to electrical energy which can be use in our homes. This electrical energy can be used by all the electrical appliances at home which include a speaker which is used to amplify human sound, therefore the electrical energy from the solar panel is converted to the sound energy in the speaker.
A speaker takes this energy and turns it into sound energy.
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What is a chemical bond?
a collection of bonded atoms
an element only needed in small amounts by
the body
a pure chemical substance made of one type
of atom
an attraction between atoms that allows them
to form larger structures
Answer: D. An attraction between atoms that allows them to form larger structures
Explanation:
took the lesson and it’s correct
A student used a calibrated micrometer, which measure in ‘units’, to measure the length of a cell. Each unit is equal to 0l01mm the student measured a cell as having a length of 5 units. Calculate the length 1mm = 1000 micrometers
If a student used a calibrated micrometer, which measures in ‘units’, to measure the length of a cell. Each unit is equal to 0.01 mm the student measured a cell as having a length of 5 units. The 5 units of measurement on a calibrated micrometer would be equal to 50 micrometers
What is a unit of measurement?
A unit of measurement is a specified magnitude of a quantity that is established and used as a standard for measuring other quantities of the same kind. It is determined by convention or regulation.
As given in the problem, a student used a calibrated micrometer, which measures in ‘units’, to measure the length of a cell. Each unit is equal to 0.01 mm the student measured a cell as having a length of 5 units.
The measurement of the one unit of the cell = 0.01 mm
The measurement of the five units of the cell = 5 × 0.01 mm
=0.05 mm
1 mm = 1000 micrometers
0.05 mm = 0.05 ×1000 micrometers
= 50 micrometers
Thus, the 5 units of measurement on a calibrated micrometer would be equal to 50 micrometers.
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2. Which of the following take place when we exhale? (1) Diaphragm relaxes and arches up (III) Rib cage is raised (II) Lungs expand (IV) Volume of thorax decreases
Answer: Volume of the thorax decreases
Explanation: When the lungs exhale, the diaphragm relaxes, and the volume of the thoracic cavity decreases, while the pressure within it increases. As a result, the lungs contract and air is forced out.
A team of scientists is studying three related species of thrushes, which are a type of bird. In all three species, the thrushes feed on insects and build nests in trees. The team uses a computer simulation to predict the populations of each species in a tract of forest, both with and without the presence of other thrush species. The results are shown in the table.
Based on the computer simulations, which statement MOST likely describes an ecological relationship among the three species?
(A) All three species compete for the same niche, and species B is the strongest competitor.
(B) Species A and species C compete for the same niche, and species C is the stronger competitor.
(C) Species B fills a different niche than either species A or species C.
(D) Either species A or species C out-competes species B for its niche.
Based on the computer simulations, the statement that MOST likely describes an ecological relationship among the three species is:
Either species A or species C out-competes species B for its niche; option D.What is an ecological niche?An ecological niche is a particular place or position occupied by a species in an ecosystem.
The ecological niche of a species is where the species obtain its basic needs such as food, shelter and space.
Several species may also compete foe the same ecological niche, and the strong competitor among the species will grow and thrive in that particular niche.
Considering the results of the study when the species A, B, and C were placed in a given tract of the forest alone as well as in the presence of the other species, it can be concluded that the three species compete for the same resources and that species C is the strongest competitor.
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What is the main function for each of these macromolecules?
Explanation:
protein - provides structural support for cells
nucleic acid - speed up reaction
carbohydrate- provides short term energy
lipid - speed up reaction
Most pathogenic bacteria prefer environmental conditions that are
Answer:
warm and moist
Explanation:
it is easier for it to breed and grow in warm and moist environments
What behaviors did people notice about Phineas after his accident?
Answer: if this is about Phineas gage, he had a huge change in personality where he was a lot more rude. This is because the rod went through the frontal lobe
Explanation:
A scientist is testing whether light color affects plant
growth. She places three groups of plants in boxes, each
with only one color of light: red, blue, or green. She places
a fourth group of plants in natural light. Each day she
measures the plants and records their growth.
What is the dependent variable in this experiment?
A. The plants in natural light
B. The growth of the plants
C. The color of light the plants received
D. The type of plants she used
Answer:
B. The growth of the plants
Explanation:
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What brain centers have major roles in controlling movement, and what are these roles?
Motor cortex, basal ganglia and cerebellum are the brain centers have major roles in controlling movement.
1) motor cortex (frontal lobe, conscious control of skeletal muscle movement)
2) The basal ganglia (white matter of the brain), which aid in initiating continuous or repetitive movement
3) Cerebellum (controls rapid and complex movement)
One of the major parts of the brain involved in motor function is the primary motor cortex, or M1. The precentral gyrus, a hump in the frontal lobe of the brain, is where M1 is situated. The primary motor cortex's function is to produce the neuronal impulses that regulate how movements are carried out.The cerebellum plays a role in the synchronization and timing of motor programming. The basal ganglia are where the real motor programs are produced. The organization of motor programming for intricate motions is carried out by the basal ganglia, a group of subcortical areas. Damage to these areas causes uncontrolled, impulsive movements. The cortex and other subcortical brain regions get output from the basal ganglia.Learn more about the brain function with the help of the given link:
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All of the following statements are true except:_________
a) the mitotic spindles in prokaryotic cells are composed of microtubules.
b) mitosis may occur without cytokinesis.
All of the following statements are true except The mitotic spindles in prokaryotic cells composed of microtubules.
What exactly are prokaryotic cells?The earliest single-celled microbes on Earth are prokaryotic cells. Bacteria and archaea are prokaryotes. Among the prokaryotes that perform photosynthesis are cyanobacteria.. Since a prokaryotic cell only has one membrane, all processes take place in the cytoplasm.
Do prokaryotic cells contain DNA?Prokaryotic cells have their genetic material on a single circular strand of DNA that is directly in touch with the cytoplasm and bonded to the cell membrane. Since there is no enclosing membrane, there is no actual nucleus; instead, there is only a nucleoid, which is a collection of DNA.
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What can identifying all genes present in microbiome samples tell you that profiling 16s rrna genes would not?.
16S rRNA gene sequence analysis may be used to find poorly documented, infrequently isolated, or phenotypically abnormal strains, and can lead to the identification of new diseases and noncultured bacteria.
Why can we use 16S rRNA sequencing to categorise and identify gut bacteria?The 16S rRNA gene encodes a ribosomal component that is highly conserved among bacteria and has hypervariable areas scattered throughout its sequence (Clarridge, 2004). These hypervariable areas are specific to each bacterial species and enable categorization or taxonomy.
The results are relative rather than absolute in nature. Due to varied PCR amplification frequencies and insufficient reference databases utilised for sequence analysis, 16S rRNA sequencing might be biassed. It does not establish cause-and-effect correlations.
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If a scientist is studying a coral reef, including both the biotic and abiotic components, what level of ecology is being studied?.
If a scientist is studying a coral reef, including both the biotic and abiotic components, then the level of ecology that is being studied is the ecosystem.
In the field of ecology, an ecosystem can be described as the interaction between all the biotic and abiotic factors of a certain place. The biotic factors are the living components of the ecosystem. The abiotic factors are the non-living components of an ecosystem.
Scientists focus on both the biotic and abiotic components of an ecosystem as both these factors are important in the maintenance of an ecosystem. A coral reef is an aquatic ecosystem, a study of its biotic components will include other aquatic life forms. A study of its abiotic factors will include water currents, salt concentration, calcium carbonate concentration, etc.
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PLEASE HELP!!!!! Question 1 of 10
Which sentence best describes the role of ATP synthase in the production of
ATP?
OA. It is the part of the electron transport chain that makes ADP
molecules from ATP molecules and phosphate groups (P).
B. It is the part of the Krebs cycle that makes ATP by joining ADP
molecules and phosphate groups (P).
C. It is the enzyme in the cytoplasm that makes ATP by joining ADP
molecules and phosphate groups (P).
D. It is the enzyme in an inner membrane that makes ATP by joining
ADP molecules and phosphate groups (P).
The role of ATP synthase in the production of ATP is that it is the enzyme in the cytoplasm that makes ATP by joining ADP molecules and phosphate groups (P) and is denoted as option C.
What is ATP synthase?This is referred to an enzyme which belongs to the class ligases and is responsible for catalyzing the reactions involved in the formation of ATP (Adenosine triphosphate).
ATP synthase acts in the cytoplasm of cells where ADP molecules and phosphate groups (P) combine together to form ATP which is the energy currency of the cell and needed for their daily activities.
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Answer:
the answer is c
Explanation:
trust me bro
The linnaean taxonomic system classifies organisms into divisions called taxa. If two organisms belong to the same taxonomic group, they are related. Similarity at which of these levels indicates the closest relationship?.
Answer:
If two organisms belong to the same taxonomic group, they are related as Genus.
Explanation:
The Level that most closely resembles a connection?
The taxonomic level between both the family as well as the species is referred to as the genus. The genus is a collection of organisms that are closely linked and that have a variety of structural characteristics.
Given that they are members of different genera in the same family, the individuals of a gene must be more closely linked to one another.
What is a genus, for example?
Example of genus
Dogs belong to the Canis genus and are of the familiar species. Canis familiaris is the proper name for dogs in scientific terminology. Lupus is the kind of wolf found in the Canis genus. Therefore Canis lupus is indeed the proper term for wolves according to science.
Genus is the appropriate choice, therefore.
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1. What are the free-floating spheres called that are found in each of the bacteria cells?
Answer: Ribosomes
Explanation: They are the free-floating spheres in the cytoplasm and are never attached to the membrane-bound organelle. Ribosomes are bundles of protein and genetic material that are responsible for producing all the proteins that the cell needs to live.
Help please!
What is one pro and one con of eradicating mosquitoes?
