What is meant by substrate-level phosphorylation?
a. Production of ATP by transferring phosphates directly from metabolic products to ADP
b. Splitting of glucose into two pyruvic acid molecules
c. Production of ATP using energy from a proton gradient
d. Reduction of NAD+ to NADH
Ans: a. Production of ATP by transferring phosphates directly from metabolic products to ADP
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Consider a tadpole becoming a toad. You would expect to find it changing its form of nitrogenous waste from
A. ammonia to urea. B. urea to ammonia. C. uric acid to urea. D. urea to uric acid. E. uric acid to ammonia.
The hormone gibberellin reduces the damage caused
by fungal infections because of which of the following? a. Increased space between individual grapes increases air circulation and reduces fungi. b. It shrinks the internodes to reduce the number of clusters that touch. c. It increases the immune response of the plant. d. It stimulates a type of signaling molecule that shuts down all fungal growth. e. None of these are true.
Research using transgenic animal models of neurodegenerative diseases not only helps scientists understand the
disorders, but also may lead to _____. a. new vaccines b. Drosophila genome sequencing projects c. discovery of the environmental causes of schizophrenia d. identification of the mutant gene that causes Huntington disease
e. new drugs and treatmentsThe pleomorphic bacterium (Coxiella/Legionella/Francisella) is an intracellular parasite that can lead to respiratory disease when inhaled in aerosols from freshwater sources
What will be an ideal response?