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Consider what you have learned about the telomeres found at the ends of eukaryotic chromosomes and answer the following questions.
a. Describe briefly the sequence composition of telomeric DNA sequences.
b. what functional role is servedby telomeres
c.Explain how telomerase replicates eukaryotic telomores.
d.Why is telomerase typically active in germ cells but not active in somatic cells
What are the equilibrium concentrations of fructose 1,6-biphosphate, dihydroxyacetone phosphate and glyceraldehyde 3-phosphate when 1mM fructose 1,6-biphosphate is incubated with aldolase under standard conditions?
Define a genetic mutation and state the types of genetic mutations. Discuss the effects of genetic mutations.
write out genotypes of each parent and each of the 4 offsprings. notation of genotypes should indicate which alleles share the same chromosome. for each offspring indicate whether it arose from a parental gamete or a recombinant gamete.
The recordings thus reflect the summed total of thousands to millions of potassium, sodium and other ion-selective channels.
Distinguish how different electrolytes-sodium, potassium, and chloride function in body. Why is water necessary to health maintenance? Write down the functions of water in body?
what Asexual reproduction tends to be favored.
A rancher genotypes all of her 150 head of cattle. In her herd, 25 are A1A1, 75 are A1A2, and 50 are A2A2. Assuming there is random mating, no selection, no mutation, and no new cattle are introduced into the population, what is the probability ..
In each of the trials recorded in Table 20-2, contrast the amount of phosphate that moved into an onion plant that is mycorrhizal with the phosphate in an onion plant that is non-mycorrhizal. What conclusion do you reach?
Which compartments of a cell is associated with each of the following: clathrin, calcium ions in a skeletal muscle cell, dolichol phosphate, ribonuclease and lipase, digitalis, LDL receptors, COPI proteins, COPII proteins, unbound SRPs.
The resting membrane potential of skeletal muscle is about -90mV while in a typical neuron it is about -65 mV. Knowing what the resting membrane potential depends on,
The Na+ -K+ ATPase is also known as the Na+-K+ pump. It is responsible for maintaining the high extracellular sodium ion concentration and the high intracellular potassium ion concentration. What happens immediately after the pump hydrolyses ATP?
The Xerox machine becomes obsolete after five years. Compute the net present value for both scenarios and the profitability index for the buying scenario. What is the advice to the young entrepreneur? Suppose that funds have to be borrowed at an inte..
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