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Question: 70% of the population have at least one copy of allele A, 10% have at least one copy of allele B,…
70% of the population have at least one copy of allele A, 10% have at least one copy of allele B, & 20% have at least one copy of the allele C. It is possible for a diploid organism to have all alleles present in this population. 70% of the...
Question: Question 2. (8 points) In E. coli, tryptophan synthesis is partially regulated presence or absenc…
Question 2. (8 points) In E. coli, tryptophan synthesis is partially regulated presence or absence of tryptophan in the growth medium. Answer the follow questions about the regulation of expression of the tryptophan biosynthetic encoded in the...
Question: Hydrogen bonds A) form between two hydrogen atoms. B) form between hydrogen and oxygen atoms wi…
Hydrogen bonds A) form between two hydrogen atoms. B) form between hydrogen and oxygen atoms within a molecule. C) form between different molecules. D) involve sharing of electrons. E) are the strongest bonds because of their length. What determine...
Question: The following questions are to be answered in a scientific manner and turned in (please type your…
The following questions are to be answered in a scientific manner and turned in (please type your answers). Each question is worth 2 points for a total possible of 20 points. If you can't find the answers in the lab manual or the text, turn to...
Question: If an Rh- person gets a transfusion with Rh+ blood there might not be a problem. But if there is …
If an Rh- person gets a transfusion with Rh+ blood there might not be a problem. But if there is a second transfusion with Rh+ blood there will be. Why? see more
Question: In the Kimura model two-parameter model distance matrix calculation, transversions are weighted m…
In the Kimura model two-parameter model distance matrix calculation, transversions are weighted more heavily than transitions. In other words, the calculated evolutionary distance islonger when a transversion is detected at a particular site. Why?
Question: Discuss proposed cellular and biochemical mechanisms of ageing and senescence. Discuss as a Cell …
Discuss proposed cellular and biochemical mechanisms of ageing and senescence. Discuss as a Cell Physiologist would this topic. Picture are useful if available. Much Appreciated and THANK YOU in advance!
Question: Membrane phospholipid synthesis involves the combination of a diacylglycerol and an alcohol. In m…
Membrane phospholipid synthesis involves the combination of a diacylglycerol and an alcohol. In mammals, either the diacylglycerol or the alcohol may be activated by cytidine triphosphate (CTP) to form either CDP-diacylglycerol or a CDP-alcohol...
Question: Question 1. (5 points) Many rare diseases are caused by deletion of portions of the mitochondrial…
Question 1. (5 points) Many rare diseases are caused by deletion of portions of the mitochondrial genome (mtDNA). These diseases range in severity from relatively mild to extremely severe. For example, progressive ophthalmoplegia causes muscle...
Question: Identify the bond that is broken in ATP hydrolysis to ADP. Select the bond by highlighting it. (…
see more Identify the bond that is broken in ATP hydrolysis to ADP. Select the bond by highlighting it. (b) Modify ATP, below, to give the remaining product of ATP hydrolysis, and determine the change in energy for the reaction. ATP + H_2O...
Question: A researcher is interested in whether male killifish with bright colors have favorable alleles, i…
A researcher is interested in whether male killifish with bright colors have favorable alleles, in various parts of their genome unrelated to color pattern, that fight off disease. He captures thirty males in the act of copulating with females, ten...
Question: 1. Dominance is “complete” when a heterozygote… (choose all that apply) a. has the same pheno…
1. Dominance is "complete" when a heterozygote... (choose all that apply) a. has the same phenotype as a homozygote b. has a stronger phenotype than a homozygous recessive c. has a weaker phenotype than a homozygote d. has a phenotype different...
Question: Discuss mechanisms of cellular differentiation in multicellular organisms. As a cell physiologist…
Discuss mechanisms of cellular differentiation in multicellular organisms. As a cell physiologist would discuss such a topic. Thank you. if imagages are available that is also useful Thank you so much!
Question: A population of humans, isolated for centuries on an island in the Indian Ocean, exhibits the fol…
A population of humans, isolated for centuries on an island in the Indian Ocean, exhibits the following phenotypes for the M N blood group locus. 330 M 375 MN 295 N LM and LN are two codominant alleles at this locus. LMLM alleles give...
Question: Assuming the students designed the correct primers, their PCR product would be 162 basepairs in l…
Assuming the students designed the correct primers, their PCR product would be 162 basepairs in length. If they started with exactly one double stranded DNA molecule and amplified the 162 basepair sequence, approximately how many cycles of PCR...
Question: Which of the following is NOT a source of variation within a population?
Which of the following is NOT a source of variation within a population? Which of the following is NOT a source of variation within a population? A point mutation that changes the amino acid sequence of a protein. A point mutation that does not...
Question: How would you change the bacteria’s environment-the plate they are growing on to best tell if the…
How would you change the bacteria's environment-the plate they are growing on to best tell if they are ampicillin resistant? Very often an organism's traits are caused by a combination of its genes and its environment. Think about the green color...
Question: Depend on bacteria to reproduce. Phage can be maintained by in infecting a culture of bacteria wi…
depend on bacteria to reproduce. Phage can be maintained by in infecting a culture of bacteria with a strain of phage, and the plating the bacteria on an agar plate to grow. Suppose that you isolate two mutant strains of phage one strain cannot...
Question: Simply define the logic and methods and conclusions from the experiment the authors described bel…
Simply define the logic and methods and conclusions from the experiment the authors described below in quotes. (*Dont copy and paste from Google) Make sure to define the terms bolded (4 bolded). “One possible mechanism for the phenotypes in mitotic...
Question: I. You are investigating the evolution of leaf size in a plant species. You grow a population of …
I. You are investigating the evolution of leaf size in a plant species. You grow a population of 200 plants in a controlled greenhouse and measure the length of their leaves. The mean leaf length of the entire population is 8 cm. You choose ten...
Question: Two part Question: Is lymph more similar to blood plasma or to interstitial fluid? Explain your a…
Two part Question: Is lymph more similar to blood plasma or to interstitial fluid? Explain your answer. Fluid from the legs passes through lymphatic vessels that enter the abdomen through the lumbar [BLANK] , draining into the [BLANK] along with...
Question: Match the characteristic or picture on the left with the group on the right.
Match the characteristic or picture on the left with the group on the right.
Question: The major classes of vertebrates have developed Innovations that distinguish each group. Birds an…
The major classes of vertebrates have developed Innovations that distinguish each group. Birds and mammals are both_____that Is they are able to maintain their Internal body temperature at a fairly constant level. Birds are the only animal group on...
Question: The two major types of cell layering in epithelial are a. simple and proper b. stratified and p…
The two major types of cell layering in epithelial are a. simple and proper b. stratified and pseudo stratified c. squamous and simple d. simple and stratified e. cuboidal and columnar The epithelium that forms air sacs in the lungs is a....
Question: Can u help me to describe this questions –1 Describe the general processes of filtration, reabs…
can u help me to describe this questions –1 Describe the general processes of filtration, reabsorption, secretion and excretion. –2 Identify several invertebrate osmoregulatory organs and compare and contrast the process of elimination in each. –...
Question: Give three reasonable (but clearly different) reasons why two plants of different species growing…
Give three reasonable (but clearly different) reasons why two plants of different species growing 1 meter apart could exhibit different nitrogen levels in their tissues.
Question: What is the role of tandem repeat sequences in inherited defects?
What is the role of tandem repeat sequences in inherited defects?
Question: Issue the labels on the left to show the sequence of events for the evolution of amphitians from …
Issue the labels on the left to show the sequence of events for the evolution of amphitians from fish and reptiles from amphibians.
Question: Which of the following are reasons for amphibian requirement of water? Amphibian young swim and …
Which of the following are reasons for amphibian requirement of water? Amphibian young swim and are not land-ready. Adult amphibians have a membranous skin that must stay moist for survival. All amphibian food sources live in water. They do not...
Question: 1) When experimentally applying alpha-bungarotoxin to a muscle, you find that it does not contrac…
1) When experimentally applying alpha-bungarotoxin to a muscle, you find that it does not contract when the motor neuron leading to it is electrically stimulated. Knowing that this toxin blocks acetylcholine receptors, what can you conclude about...