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Q1. How does the theory of evolution explain superficial similarities between insect wings and bird wings? What is this resemblance an instance of? Why are the wings also different?
Q2. In Guinea pigs, black hair (B) is dominant over white (b), rough coat texture (R) is dominant over smooth (r), and short hair (S) is dominant over long hair (s). If we were to cross a homozygous black, rough, short-haired Guinea pig (BBRRSS) and a white, smooth, long-haired Guinea pig (bbrrss) resulting F1 generation would be BbRrSs. Your assignment, if you want to accept this, is to cross two of the F1 offspring and complete Punnett square for this cross and then write the resulting genotype and phenotypes. This must be 100 percent completely done for any extra credit. Your cross will be: BbRrSs x BbRrSs.
Water is most dense and therefore heavier at 4 degrees Centigrade. At zero degrees Centigrade ice forms and can float on liquid water. Assume ice were most dense at zero degrees Centigrade. Select the best explanation of what would happen in aquatic ..
What have to be true of the cell wall of this bacterium? Mammalian blood contains an equivalent of 0.15 M. Seawater contains the equal of 0.45 M. What will occur if red blood cells are transferred to seawater.
Determine which of these would synthesize the enzymes for Histidine synthesis
Jill is motivated by money and the things money will bring her. Jack is motivated by a belief in the significance of doing good things, and his incentives are based on that belief. Which theory incorporates both these types of motivational causes.
Explain a muscle contraction beginning with the motor neuron to relaxation of the muscle. Discuss the physiological relationship of the muscular and skeletal system.
Your friend is trying to generate an in vitro system for studying the formation of COPII vesicles. He finds that to get well-organized vesicle budding from artificial membranes, he needs to add the coat proteins, the Sar1 GTP-binding protein.
What information does it not provide that may be useful for deciding on conservation efforts. What are the genotypes of the parents.
A patient has esophageal cancer and should have a feeding tube inserted. The nurse tells the patient that the tube will be inserted surgically into the duodenum. The wife asks why the tube will not be inserted into the stomach directly.
In a population you count 30 red plants, 50 pink plants, and 20 white plants. What are the allele frequencies of the CR and CW alleles in this population.
So far while surgery was performed on his neck, the surgeon might not find the parathyroid glands at all. Where should the surgeon look next to find out the tumorous parathyroid gland.
Trace the pathway this particle would probably take while moving from outside the cell to inside. What organelles will it pass through? Where will it be located within these organelles.
He says that the mere presence of DNA is not sufficient to prove the point: his cells may have adopted DNA as a useful molecule quite independently of all other known life forms. What would you do to convince him that he was wrong.
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