Answer:
A
Explanation:
because there are several types and mode of whales
which of the following statements about gene flow is false? group of answer choices it leads to divergence and the formation of new species. it is facilitated by the movement of individuals between populations. it can increase the genetic variation of a population. it can rescue an inbred population by restoring genetic diversity. it can move alleles between populations, including those that are potentially beneficial.
The answer which is false is, gene flow leads to divergence and the formation of new species.
What is speciation?
For speciation to occur two populations must be prevented from interbreeding.
This means that populations must become isolated from on another through the geographical or biological barriers.
If populations remain isolated long enough, speciation will eventually occur because of changes accumulated in population due to natural selection.
What is gene flow?
Geographical isolation hampers gene flow because of spatial separation which in turn leads of reproductive isolation due to the inability of meeting gametes to leads.
It causes genetic drift due to the barrier of gene flow between them and parent species.
Certain alleles get fixed into population due to inbreeding in a smaller population while other gets eliminated, this leads to formation of new alleles and new gene pool, so-called progressive genetic divergence.
Finally there is the formation of new species when genetic variation are accumulated for several generations.
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The following statements about gene flow that is false is that it leads to divergence and the formation of new species.
What is gene flow?
Any movement of people from one community to another, including the genetic material they carry, is referred to as gene flow, sometimes known as migration. Numerous other types of occurrences, such as individuals relocating to new cities or nations or pollen being carried to a new location, are included in the concept of gene flow.
Gene flow has the effect of reducing genetic differences between populations, which prevents or delays the development of populations in various geographic locations into distinct species of the disease. Additionally, phenotypic divergence will be prevented if divergent selection pressures exist but are suppressed by gene flow
Hence out of following statements about gene flow that is false is that it leads to divergence and the formation of new species.
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a hemoglobin molecule is composed of
Two alpha chains with 141 amino acid residues each and two beta chains with 146 amino acid residues each make up the four polypeptide chains that make up a hemoglobin molecule.
Who or what makes up hemoglobin?Alpha and beta polypeptide chains combine to form the two identical dimers that make up the tetramer hemoglobin. Hydrophobic interactions firmly attach the polypeptide chains to one another. The two dimers are bound together by weaker polar connections and are mobile with respect to one another.
Do four heme molecules exist in hemoglobin?Four polypeptide chains (Alpha 1, Beta 1, Alpha 2, Beta 2) that are noncovalently linked to one another make up the hemoglobin molecule. The heme-iron complexes number four. One Fe++ atom is included in a heme group in each chain.
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During the systole phase of the cardiac cycle, high blood pressure in the ventricles forces the
1. aortic valve to open
2. atrioventricular valves to open
3. atria to contract
4. pulmonary valve to close
During the systole phase of the cardiac cycle, high blood pressure in the ventricles forces the aortic valve to open. That is option 1.
What is cardiac cycle?Cardiac cycle is defined as the phases of contraction and relaxation of the heart muscles which would lead to deoxygenation and oxygenation the blood for body use.
The stages of cardiac cycle include the following:
Atrial systole: At this stage of cardiac cycle, the aortic valve and pulmonary artery closes and atrioventricular valves openVentricular systole: At this stage, the contraction of the ventricles leads to the Pulmonary artery and aortic valve closure.Atrial diastole: At this stage, their is relaxation of the heart chambers which occurs when aortic valve and pulmonary artery closes and atrioventricular valves open. Ventricular diastole: At this stage, venous blood enters the left atrium, and when blood pressure within the left atrium exceeds blood pressure in the left ventricle, the mitral valve opens and passive filling of the ventricle occurs.Learn more about cardiac cycle here:
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What 3 characteristics determine if something is a living organism
There are three fundamental characteristics of living things: growth, nutritional uptake (i.e., consumption of food and water), and reproduction (which means they make more living things like themselves). Non-living creatures cannot reproduce, grow, or require nutrition.
What three ways can we know if something is alive?Because they are "heterotrophic," they obtain their energy by consuming other species. They can physically move their bodies around at some point during their life cycle.
What are the three traits that cells have according to the cell theory?The cell theory's three pillars are as follows: Every living thing is made up of one or more cells. The cell is the fundamental building block of structure and order in organisms. Existing cells give rise to new ones.
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Which statement is true regarding action potentials?
a. The generation or creation of an action potential does not depend on the strength of the stimulus a neuron receives.
b. Action potentials travel slower in myelinated axons.
c. An action potential once started, cannot be stopped or negated.
An action potential once started, cannot be stopped or negated
The action potential is initiated by a stimulus beyond a certain intensity, known as the threshold stimulus. Beyond the threshold stimulus, the strength of the stimulus does not affect the amplitude of the impulse.
What is action potential ?A neuron transfers information away from the cell body through an axon, resulting in an action potential. For the action potential, neuroscientists sometimes use the terms "spike" or "impulse." A depolarizing current produces the action potential, which is a surge of electrical activity.
Action potentials, nerve impulses, or occasionally just spikes are terms used to describe these spike-like events. The primary events used by nerve cells to convey information from one location to another are action potentials.
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How does a central receiver system collect the sun's heat energy?
O A. by using a large dish studded with mirrors to reflect sunlight onto a receiver mounted at the center of the dish
by using long curved mirrors to reflect sunlight onto a receiver installed along the length of each mirror
О в.
OC.
by using an array of solar panels to reflect sunlight onto a receiver made from a semiconductor material
OD. by using rows of mirrors called heliostats to reflect sunlight onto a receiver mounted at the top of a tower
A central receiver system collect the sun's heat energy by usuing rows of mirrors called heliostats to reflect sunlight onto a receiver mounted at the top of a tower.
Briefing:What is heliostat?A heliostat is an instrument that continuously tilts a mirror or a no. of mirror surfaces to follow the path of the sun and reflect sunlight toward a predefined destination, such as a receiver perched atop a solar tower. The technologies used in concentrating solar power (CSP) and solar thermal power towers require heliostats.
What is a central reciever system?Central reciever systems are considered to have an expansive potential for mid-term fetched lessening of power compared to parabolic trough innovation, since they can accomplish higher temperatures, coming about in more productive steam cycles or eventually higher exergy cycles utilizing gas turbines at temperatures over 1000°C.
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The presence of AB blood type illustrates the principle of
O codominance
O pleiotropy.
O incomplete dominance.
O polygenic inheritance.
A person with AB blood illustrates the principle of codominance.
Codominance describes the expression of both alleles such that the phenotype is a mixture of this combined gene expression. This well describes an individual with the AB blood type. This individual expresses both the A protein and the B protein on the surface of their red blood cells.
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Which of the following carbohydrates is a polysaccharide? A. glucose. B. fructose. C. sucrose. D. starch.
The accurate solution is option (B) i.e, Starch , glycogen , cellulose. Note: Polysaccharides own the subsequent characteristics as they do now no longer have a candy taste, Many of them are insoluble in water.
Polysaccharides are polymeric carbohydrate structures, shaped of repeating devices both mono- saccharides( e.g., glucose , fructose , galactose) or di-saccharides ( e.g., sucrose, lactose) joined collectively with the aid of using glycosidic bonds. They variety in shape from linear to rather branched. Polysaccharides are complicated biomacromolecules which can be made up chains of monosaccharides. The bonds that shape those chains are glycosidic bonds. Commonly discovered monomer devices in polysaccharides are glucose, fructose, mannose and galactose which can be easy sugars.
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the conversions of proteins into amino acids, polysaccharides into monosaccharides, and lipids into glycerol and fatty acids are all examples of
Examples of hydrolysis include the transformation of proteins into amino acids, polysaccharides into monosaccharides, and lipids into glycerol and fatty acids.
In biological hydrolysis, a water molecule is consumed to cause the dissociation of a bigger molecule into its component parts. Hydrolysis converts carbohydrates into a part of the sugar molecule. For instance, saccharification is the process by which sucrose is converted into glucose and fructose.The general formula of a hydrolysis reaction is:
AB+H2O→AH+BOH.Condensation reactions are the opposite of hydrolysis reactions. A water molecule is created when two molecules combine to form a bigger entity. As a result, condensation is created by eliminating water and hydrolysis is used to break things down.In organic chemistry, hydrolysis is acid hydrolysis. In this, a protic acid is used to catalyse the breaking of a chemical bond with the addition of water components H2O and a nucleophilic replacement reaction. For instance, when starch or cellulose is converted to glucose.
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In males, which of the following includes the correct target and result of LH stimulation?
In males which of the following includes the correct target and result of LH stimulation? a). interstitial cells: increased androgen-binding protein (ABP) secrections b). sustentocytes: increased spermatogenesis c). sustentocytes increased testosterone d). interstitial cells: increased androgen secretions
Answer: interstitial cells: increased androgen secretions
Explanation: In males, LH targets interstitial cells. As a result of LH stimulation of interstitial cells, the levels of androgens, such as testosterone, increase.
Which of the following will be observed in a food product that is being dehydrated?
A) Solute concentration in the food increases
B) Boiling point elevation
C) Freezing point elevation
D) Both A and B are correct
Solute concentration in the food increases and Boiling point elevation will be observed in a food product that is being dehydrated.
What is boiling point elevation?A solution's boiling point is always higher than that of the pure solvent. As we add non-volatile solutes in a pure solvent, the boiling point rises. The quantity of solute particles, not the composition of those particles, determines how high the boiling point will rise. The increase in boiling point for diluted solutions is proportional to the molal concentration of the solute. A colligative property, a solution's boiling point elevation is determined by the quantity of solute molecules present rather than by their makeup.
What is concentration in food?Before final dehydration in a spray or freeze drier, the concentration process is typically used as a pre-treatment to lower the initial moisture content of various commodities like milk, tea, or coffee. By freezing or sterilizing the product, such as frozen orange juice or evaporated milk, the bulk can be reduced.
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what is the main sign of miscarriage?
One of the most frequent issues relating to early pregnancy is miscarriage. Vaginal spotting or bleeding, which can range from a small brownish discharge to extremely copious bleeding, is the primary indicator of miscarriage.
What are the symptoms of miscarriage?
Symptoms include:
1. Abdominal discomfort and cramping.
2. Varying degrees of back discomfort.
3. Feeling dizzy or lightheaded contractions fluid discharge from the vaginal tissue or clotted discharge from the vagina.
How to diagnose miscarriage?
An ultrasound scan is typically the first test performed to assess your baby's growth and search for a heartbeat.
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which of the following is an exclusively primate trait? a) tapetum lucidum (reflective layer in the retina) b) prehensile hands and feet with nails, not claws c) birthing only one or two offspring at a time d) incumbent incisors
The exclusively primate trait is prehensile hands and feet with nails, not claws.
What is primate trait?
The following characteristics set primates apart from other mammals: unspecialized structure, specialised behaviour, a short muzzle, a low sense of smell, prehensile five-digit hands and feet with flat nails instead of claws, keen vision with depth perception due to forward-facing eyes, a large brain, and protracted pre- and postnatal development. Most species only have one young and group together in male-led units.
Several primates share the following traits:
strong hands.a skeleton that is broadly adapted for remarkable physical agility.a large brain.sharp vision.Most of the time, smaller offspring than other animals demand more care during their upbringing.Therefore, Option B is correct.
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please help
which statement is true about glycolysis?
a. it is the first phase in both aerobic and anaerobic respiration
b. it involves the formation of glucose molecules
c. it describes the breaking of ATP
d. it is the first phase of photosynthesis
a. it is the first phase in both aerobic and anaerobic respiration
Glycolysis is the first phase of both aerobic and anaerobic respiration, which are two different processes that cells use to produce energy from glucose. During glycolysis, a molecule of glucose is broken down into two molecules of pyruvate, and energy is released in the form of ATP. This process does not involve the formation of glucose molecules or the breaking of ATP, and it is not a phase of photosynthesis, which is the process by which plants produce energy from sunlight.
in the accompanying image, a nucleotide is indicated by the letter _____.
In the accompanying image, a nucleotide is indicated by the letter B in the double stranded DNA structure.
Nucleotide refers to the molecule consisting of a nitrogen containing base, a phosphate group, and a sugar. The nitrogenous bases are adenine, guanine, cytosine and thymine in DNA (deoxyribose nucleic acid) molecule. In RNA (ribonucleic acid), thymine is replaced with uracil. These molecule pair together according to Chargaff's rule. Nucleotides are considered as the building block of DNA and RNA. They are responsible for functions such as the cell signaling, metabolism, and enzyme reactions. Nucleotides are synthesized from small molecules and amino acids and carry huge importance in nucleobases and nucleosides.
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Farmers who use genetic engineering to grow pesticide-resistant crops: a,need to frequently till the soil to reduce Weed growth b. waste ilrigation water fiom runoff reduce the Use of petroleum and energy d.contribute to soil depletion decrease tlle Hutrient content of foods
The correct answer (C) a, need to frequently till the soil to reduce Weed growth.
Genetic engineering (also called genetic modification) is a process that uses laboratory-based technologies to alter the DNA makeup of an organism. This may involve changing a single base pair (A-T or C-G), deleting a region of DNA or adding a new segment of DNA.
What three kind of genetic engineering are there?
DNA extraction: DNA is taken out of an organism that has the desired characteristic and is known to exist. Gene cloning involves finding and copying the desired gene. Gene modification: By changing and replacing gene sections, the gene is transformed to express in a desired manner.
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Full question :Farmers who are using genetic engineering to grow pesticide-resistant crops are: Select one: a. helping to decrease environmental pollution. b. wasting irrigation water from run-off. c. contributing to soil depletion. d. increasing the cost of foods.
Louis Pasteur determined that microbes only appeared in sterile broth if the broth was eynosed to the air He concluded that tho microbes were found in the air contaminated the broth. Pasteur’s finding contributed to which part of the cell theory ?
Louis Pasteur's experiment shows that all the cells come from preexisting cells. Thus, the correct option is B.
What is Cell theory?The cell is the smallest functional unit of living organisms. All the animals are made up of basic unit i.e., cells. It is the functional unit of living things. Louis Pasteur was one of the earliest scientists who contributed to the cell theory.
Through Pasteur's experiment, he saw that the sterile broth which originally contained no microorganisms will contain microorganisms after exposure to the air implying that the microorganisms came from air which were present in the atmosphere. Therefore, it can be said that all the cells come from preexisting cells.
Therefore, the correct option is B.
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Your question is incomplete, most probably the complete question is:
Louis Pasture determined that microbes only appeared in sterile broth if the broth was exposed to the air. He concluded that microbes were found in the air and contaminated the broth. Pasteur's findings contributed to which part of the cell theory?
a. All animals are made of cells
b. All cells come from preexisting cells
c. The cell if the basic functional unit of living tings
d. Unicellular organisms inherit an exact copy of DNA from the parent cell
what do gymnosperms and angiosperms have in common? group of answer choices seeds dominant gametophyte require water for fertilization produce flowers
With the exception of the flowers, which are discovered to be more simple in the gymnosperm than the more complex angiosperm, which develop fruit to safeguard seed, both contain comparable fundamental elements and plant structures.
The female gametophyte forms an egg, and the male gametophyte creates flagellated sperm that must swim there. For this reason, sexual reproduction must proceed in the presence of water
Fertilization of an egg by a sperm cell signals the completion of the gametophytic phase. It constitutes the maternal to embryonic transition by forming a diploid embryo, the sporophyte.
No, angiosperms do not require water for fertilization. The pollen grains contact the stigma of the flower and move down the style to the ovary where they fertilize the seeds.
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what is the role of the sodium potassium pump in establishing and maintianing resting membrane potential
The sodium-potassium pump continually removes three sodium ions from the cell for every two potassium ions it introduces. Thus, it preserves the significant potassium ion gradient across the membrane, which served as the foundation for the resting membrane potential.
What is the role of sodium-potassium pump?
The sodium-potassium pump is a protein that has been found in many cells and is responsible for keeping the internal concentration of sodium ions [Na+] lower than that of the surrounding medium (blood, body fluid, or water) and the internal concentration of potassium ions [K+] higher than that of the surrounding medium (blood, body fluid, or water). The adenosine-triphosphatase (ATPase)-active pump moves across the cell membrane and is triggered by both internal [Na+] and external [K+].
This enzyme pumps K+ inward and Na+ outward using metabolic energy. The steady state differential in Na+ and K+ concentrations maintained by the pump is essential for maintaining the resting potential of cells and associated bioelectric phenomena like the action potential. There have also been discovered additional ion pumps that transfer various ions.
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In guinea pigs, a black coat (B) is dominant to an albino coat (b), and short hair (H) is dominant to long hair (h). A BbHh guinea pig is crossed with a bbHH guinea pig. If 30 offspring are produced, how many would be expected to be A) black with short hair, B) albino with short hair, and C) albino with long hair?
When A BbHh guinea pig is crossed with a bbHH guinea pig at that time the gametes are are the progeny produced. The gametes out from BbHh will be BH,bh,Bh and bH and on the other side the gametes are bH, bH, bH and bH. 16 offsprings are produced and from these only 8 black short hair with 8 albino short are produced.
What is the homozygous condition ?It is the condition in which the gametes that are present are identical that is same type of gametes are present.
In this condition given, firstly 16 offspring are produced and from these 8 are albino short, 8 are black short since there is no long hair for h present in the second pig that is mated there will be no chance of long hair in the progeny.
The gametes out from two are BH,bh,Bh and bH from the 1st pig and bH,bH,bH and bH. On fusing it forms BbHH,bbHh,BbHh,bbHH,BbHH,bbHh,bbHH,BbHH,bbHh,BbHh,bbHH,bBHH,bbHH,BbHh and bbHH.
8 are black short and 8 are albino short.
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The heart is located_______ to the lungs,_________ to the vertebral column, and_______ to the sternum. a. medial, posterior, anterior b. lateral, posterior, anterior c. medial, anterior, posterior d. lateral, anterior, posterior
The vertebral column is posterior to the heart's location, which is anterior to the sternum and medial to the lungs.
What is behind the vertebral column?The vertebral arch faces the back of a person since it is posterior. These cover the vertebral foramen, which houses the spinal cord, when taken together. The sacrum and coccyx don't have a central foramen because the spinal cord is connected with the lumbar spine at its end.
What are location of the spinal column?skeletal column (spine) Bony vertebrae are joined by cartilaginous intervertebral discs to form the vertebral column, sometimes known as the spine or backbone. It runs from the skull's base to the coccyx's tip and is a component of the axial skeleton.
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Label the diagram below with the following terms :photosynthesis, cellular respiration, h2o,o2,co2,atp,c6,h12,o6
The diagram shown in the image shows the process of photosynthesis with its various components involved.
What is photosynthesis?Photosynthesis is a biochemical process in which inorganic energy such as sunlight is converted into organic energy such as glucose molecules. The energy from this process will be stored in NADPH and ATP. This energy will also be used for the manufacture of sugar molecules together with the reduction of carbon dioxide molecules.
In our ecosystem they will be involved in these photoautotrophic processes such as plants, algae, cyanobacteria and red bacteria. For this reason, life on earth depends on solar energy.
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the fundamental mechanism by which enzymes catalyze reactions is: a. they bind substrate just as a lock holds a key b. they utilize free energy from atp to convert substrate to product c. they stabilize the substrate of the reaction d. they stabilize the transition state of the reaction e. they stabilize the product of the reaction
A biological catalyst is an enzyme. Reactions' activation energies are reduced by catalysts. The rate of a reaction increases with decreasing activation energy. Enzymes accelerate processes by reducing activation energy.
The bonds holding together the atoms in molecules are ruptured, altered, and repaired during a chemical reaction, recombining the atoms to form new molecules. By lowering the activation energy, the energy hurdle that must be cleared for a chemical reaction to take place, catalysts improve the efficiency of this process. As a result, catalysts facilitate the formation of chemical bonds between atoms to create novel combinations and new compounds. Chemical reactions are accelerated and become more energy-efficient when catalysts are used. Additionally, catalysts possess a crucial quality known as selectivity that allows them to control an unwanted products.
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what body processes affect the concentration of calcium, phosphorus, and lipids in the various body tissues, and what are some of the most important functions of calcium, phosphorus, and lipids in the body of animals? g
Calcium homeostasis is maintained by actions of hormones that regulate calcium transport in the gut, kidneys, and bone. The 3 primary hormones are parathyroid hormone (PTH) 1,25-dihydroxyvitamin D-3 (Vitamin D3), and calcitonin.
Calcium salts provide rigidity to the skeleton. Calcium phosphate is a major component of the mineral complex (called hydroxyapatite) that gives structure and strength to bones.Many neuromuscular and other cellular functions depend on the maintenance of the ionized calcium concentration in the ECF.Phosphorus is a component of DNA, RNA, ATP, and also the phospholipids that form all cell membranes. Nearly every cellular process that uses energy obtains it in the form of ATP. Thus, it is an essential element for all living cells and important for energy utilization in the body. It is present in the body in the form of phosphates (PO4).The functions of lipids are Storing and providing energy, Chemical messengers, Cholesterol formation, Regulating body temperature, Formation of Prostaglandin and its role in inflammation, Membrane lipid layer formation.The main function of both calcium and phosphorus is skeletal. Nearly 99% of the calcium in the body if found in the skeleton, while 80% of the phosphorus is in bones and teeth.To know more about Calcium check the below link:
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what happened to the urchin population? part 1 what phenotypic variations do you see among the urchins at your table?
The urchin population has devastated kelp beds that supported abalone.
As a result of rising waters causing a sickness that killed its natural predator, the starfish, the population of purple sea urchins on the north shore has multiplied. The abalone was supported by the kelp beds, which the urchins have now destroyed.
Echinoderms of the class Echinoidea include the spiny, spherical sea urchin. Every ocean's seafloor is home to about 950 different species of sea urchins, which can be found in all depths from intertidal to 5,000 meters. The 3 to 10-cm-in diameter, spiky, spherical sea urchins have robust, spherical shells. The slow-moving sea urchins propel themselves with their spines in addition to their tube feet. Sea urchins eat sessile (slow-moving) creatures in addition to their regular diet of algae.
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A biologist keeps a specimen of his favorite beetle embedded in a cube of polystyrene plastic. The hapless bug appears to be 2.0cm within the plastic. Part A What is the beetle's actual distance beneath the surface? Express your answer using two significant figures..
It rounds to the most significant number in the amount. When rounding to a significant figure, look at the first non-zero digit if doing so to one. If rounding to two significant figures, look at the digit following the first non-zero digit.
Similar to how we would round a number to three decimal places, we round a number to three significant figures. When there are three digits, we start counting at the first non-zero digit. The final digit is then rounded. We add zeros to all remaining spaces to the right of the decimal point.
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Amino acid bonding What type of bonds link individual amino acids together? Multiple Choice
O peptide bonds
O protein bonds
O polymerizing bonds
O hydrogen bonds
Protein structure The helix that forms in a single polypeptide chain as a result of hydrogen bonds between the amino groups and carboxyl groups of different amino acids is an example of Multiple Choice
O secondary structure of protein
O nonlinear structure of protein
O primary structure of protein
O tertiary structure of protein
(a)Within protein structures, the amide linkage between amino acids is known as the peptide bond.
(a)Secondary structure of a protein.
A peptide bond is basically an amide-type of covalent chemical bond. This bond links two consecutive alpha-amino acids from C1 (carbon number one) of one alpha-amino acid and N2 (nitrogen number two) of another. This linkage is found along a peptide or protein chain.
The secondary structure arises from the hydrogen bonds formed between atoms of the polypeptide backbone. The hydrogen bonds form between the partially negative oxygen atom and the partially positive nitrogen atom.
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suppose you identify a new gene in mice. one of its alleles specifies white fur, another specifies brown. you want to see if these alleles are inherited in a mendelian pattern, or with incomplete dominance. what crosses would give you the answer?
We can make three crosses. first, assuming that white is dominant, Assuming the brown-furred to be dominant, and Incomplete dominance to see if these alleles are inherited in a mendelian pattern,
The geneticists assign the alphabet at random if the alleles follow a non-Mendelian inheritance pattern. We select a true breeding strain of brown-furred mice and a true breeding strain of white-furred mice, both of which consistently produce heterozygous offspring; and the dominant allele is what causes the heterozygous phenotype. It is heterozygous for the F1 generation. Additionally, there must not be a link between the genes because mixing alleles prevent crossing over. A monohybrid crossing between a true-breeding brown-furred strain Mice and a true-breeding white-furred strain mouse is carried out assuming that the gene is only present in one locus.
Cross 1
assuming that white is dominant.
WW × ww
W W
w Ww Ww
w Ww Ww
In keeping with the Mendelian inheritance pattern, all of the F1 offspring are white. The F2 generation's ratio would be 3:1, with three white and one brown individual. This indicates that Browns is outnumbered by white
Cross: 2
Assuming the brown-furred to be dominant:
BB×bb
B B
b Bb Bb
b Bb Bb
All the posterity created in the F1 age is earthy colored following a Mendelian example of legacy. The F2 generation's ratio would be 3:1, with three brown and one white individual. This indicates that white is outnumbered by brown.
Cross: 3
Incomplete dominance
Ww (tan) × Ww (tan)
W w
W WW (white) Ww (tan)
w Ww (tan) ww (brown)
In the F1 generation, crossing over WW (white) and WW (brown) results in a tan color given by WW. In the F2 generation, this genotype exhibits a genotype ratio of 1:2:1 when self-crossed in the F1 generation. We discover that the obtained ratio is one white: 2 tan: 1 brown. Tan serves as an intermediate phenotype, so it represents incomplete dominance in this context.
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n an effort to control vegetation overgrowth, 115 rabbits are released in an isolated area free of predators. step 2 of 2: if the population after 1 year has increased to 345 rabbits, what will the population be after another 3 months? round your answer to the nearest rabbit. g
114 rabbits are released in a remote, predator-free location.
When month is 0, there are 114 rabbits.
3 years equals 36 months.
months equal 36, so rabbits equal 912(0,144) and (36, 912) (36, 912)
Y = abx is the exponential growth equation.
Fill in each point and find "a" and "b"
so a= 114
(36, 912)
Take the 36th root of both sides after multiplying both sides by 114.8 = b^36
b = 1.05946
hence, the exponential equation
The population is y, and x is the number of months.
after another three months to discover the population there
Input 36+3=39 for x to determine y.
y= 1084.43336
consequently, after another three months, 1084 rabbits.
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if a commercial cow-calf operation has 200 cows exposed to breeding annually, averages 90% palpated pregnant at calf weaning time, and culls all open cows from the herd at this point, what is the number of weaned heifers that need to be kept for replacements?
According to the graph, the typical herd will, "on average," add 17% new first-calf heifers every year.
In other words, 17 of the 100 cows that are exposed to bulls or AI each year will be having their first offspring. This provides us with a starting point for determining how many heifers we should conserve annually.
The percentage of heifers that will get pregnant during a breeding season must then be predicted.
The heifers' nutritional growth program between weaning and breeding is the main basis for the prediction. About half of the heifers will cycle early if they are grown slowly and are between 50% and 55% of their mature weight when they begin breeding.
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