Which of the following is likely to be TRUE in the event the gene encoding the sarcoplasmic reticulum membrane Ca 2+ ATPase has a missense mutation such that the amino acid that is phosporylated on the cytosolic site is now an alanine? a) Cytosolic Ca 2+ ions will not bind […]

A population of shrimp suddenly starts collapsing. A biologist believes that toxins in the food chain are interfering with larvae development. A climate scientist believes that a change in water temperature is depleting food sources from the water. Why are both of these options valid scientific hypotheses? Scientists with different […]

1) Tell how tge forelimbs of a bat, a whale,a cat, andd a human contribute evidence to supporr the hypotgesisthat these mammals evolved from a common ancestor. 2) Explain how the effectiveness of an antibioticdecreases with time. 3) Pesticedes have created pesticide-resistant insects. 4) Two populations of mice living on […]

In tomatoes, dwarf (d) is recessive to tall (D) and opaque (light green) leaves (op) is recessive to green leaves (Op). The loci that determine the height and leaf color are linked and separated by a distance of 7 m.u. For each of the following crosses, determine the phenotypes and […]