Under standard conditions, ATP can release for every molecule converted to ADP
A. less than 1 cal of energy.
B. 7.3 Kcal of energy.
C. 1 to 2 cal of energy.
D. different amounts of energy depending on the cell.
Answer: B
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A ________ is an example of a phagocyte that is part of _______ immunity.
A. macrophages/adaptive B. macrophages/innate C. helper T cell/adaptive D. helper T cell/innate
Which organs are located in the ventral cavity of the body?
A. stomach, liver, heart and spinal cord B. stomach, liver, heart and bladder C. small intestine, brain, lungs and kidneys D. All of the choices are correct. E. None of the choices are correct.
What is common to all of the oxidation reactions in the Krebs cycle?
A. They are all decarboxylation reactions. B. They all lead to substrate-level phosphorylation of ADP to generate ATP. C. They all lead to the generation of NADH. D. They are all characterized by a loss of electrons from an organic molecule coupled to the reduction of an electron acceptor.
Molecular clocks are usually calibrated based on
A. the date when two species diverged from a common ancestor. B. guesses about the rates of mutations in a particular gene. C. the first shared common ancestor for species known from the fossil record. D. observed rates of mutation in a particular gene. E. comparing the gene to similar genes in other kingdoms.