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Q1. A population of wolves migrates north in search of food. As the wolves travel, they enter a region that has long, snowy winters. Some of wolves have an allele that gives them white coats. This makes them better able to sneak up on prey. Give two reasons that the wolf population is not at Hardy-Weinberg equilibrium.
Q2. Sam was clearing weeds with the machete and he somehow cut his arm about 10 cm (as in 100 mm) proximal to the base of his thumb. About how long at the earliest is it likely to take before he gets feeling back in that part of thumb?
The following animals have characteristic stinging cells for catching prey EXCEPT A) Christmas tree worm B) sea anemone C) coral D) jellyfish
Assuming that genotype essential to produce flat tails is homozygous recessive (such as bb) compute the frequency of the b allele in the squirrel population to two decimal places.
A cross is made between 2 E. coli strains: Hfr arg+ bio+ leu+ (x) F- arg- bio- leu-. Interuppted mating studies show that arg+ enteres the recipient last, so arg+ recombinants are selected on a medium containing bio and leu only.
Explain the causes, symptoms, effects of the bulimia and anorexia. Describe the mechanism of their reversible effects. Determine the net change of the Gibbs free energy for a DNA machine.
How many nucleotides are necessary to encode for this single chain?
what is the concentration (%) of solute in the RBC (i.e what is the concentration of all solute molecules combined?) Show your calculations.
Why do you think it is an advantage for pigs to have long uterine horns and a small uterine body, and not the opposite?
Describe the substrates/products that link the light reactions of photosynthesis to the Calvin cycle.
A population in which a mutation produces a new allele that increases the individuals that have that allele to have a higher probability of surviving to reproductive age (assume a 5% increase). Assume the mutation entered the population 1 generati..
The baroreceptor reflex can be used to our benefit in a procedure known as a carotid sinus massage , which is preformed when the blood pressure or heart rate is pathologically high. Why would a massage of the carotid sinus help treat these conditi..
Chlamydias and rekettsias were once classified as viruses because of their small size and obligate intracellular growth requirement. What are some of techniques can be used to illustrate that they are really bacteria.
What is the difference between a root and a rhizoid? What are the "two hallmarks" (p. 574) of alternation of generations? What two stages alternate, and when do mitosis and meiosis happen?
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