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A biologist at the Cal Academy of Science calls you one day to consult about a strange occurrence. She tells you that a hammerhead shark in their aquarium recently became pregnant and gave birth. This was the only hammerhead shark in the tank, and in fact this shark had never come in contact with another shark. She also tells you that the baby shark is only about half the size of a typical baby shark. How do you explain this unexpected birth? Shark use an XY sex determination system similar to mammals (males are XY and females are XX, and the sex determining factor is on the Y chromosome.) Would you predict the baby shark to have male or female characteristics? Explain your answer.
Jerry Coyne proposes a question. At what point are the differences between populations large enough to make us call them different species? Please answer question and defend answer.
What are the subdivisions of biology
What field of biology studies the classification of living organisms? What is binomial nomenclature and what are its basic rules? What are the categories for the classification of living organisms?
the area fraction associated with membrane protein in the RBC (diameter = 8 micrometer) membrane is roughly 23% while the lipids take up 77%.
What are the disadvantages of obligate homeothermy, relative to the facultative homeothermy exhibited by many species of lizards and snakes?
Is the bacteria, Kocuria rhizopila, aerobic or anaerobic? relative to the transcription start site, where would the promoter and terminator be located? Why is the phosphorus cycle important?
When the children of various such two-child families are totaled, what proportion of children in these families will show the phenotype.
In the following cross between these two strains, what genotype and phenotypic ratios will be observed in the F1 populations
Describe the pathophysiology and manifestations of valvular heart disease.
Why is it important to determine whether there is variation inphenotypic plasticity of a trait? What does the term "extant" mean?
Read the Science article entitled, "Humans have more primitive hands than chimpanzees" found here. Next provide a brief summary of the article and discuss whether or not you think humans have more primitive or advanced hands than chimpanzees. Just..
Assuming all the food that people eat goes to making ATP, approximately how many ATP molecules does the average person make and use each day?
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