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Consider a mainland-island migration scenario where two alleles are segregating and the observed frequencies of heterozygotes are such that Hi = 0.32 for the mainland and Hi = 0.5 for the island. What are P(island) and P(mainland)? Assume very large population sizes, no inbreeding, and the other assumptions of H-W […]

Question 1: ATP as the energy currency of the cell ATP (adenosine triphosphate) has been called the energy currency of the cell. Briefly outline the cycle by which energy is stored in and released from ATP. Explain the importance of the phosphate bond to this series of processes. Be prepared […]

Q. Birds and mammals have a four-chambered heart, with two ventricles and two atria, but other modern reptiles have a three-chambered heart, with just one ventricle. Paleontologists debate whether dinosaurs had a typical “reptile-like” heart or a “birdlike” heart. Long-necked sauropod dinosaurs could have had unusual circulatory demands because their […]

1) The ability to maintain a constant internal environment is physiologyhomeostasisdevelopmentmetabolism 2) Impulses are received by nerve cells through any process that is long enough to reach the receptor.an axon.the intervention of the neuroglia.numerous dendrites. 3) Tissues come together to form Cells.Atoms.Molecules.Organs. 4) Nucleic acids are built from DNAcoenzymesnucleotidesATP 5) […]