_________ bind to the active site of an enzyme
A. Substrates
B. Competitive inhibitors
C. Noncompetitive inhibitors
D. Any carbohydrate
E. Substrates and competitive inhibitors
Answer Key: E
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A bacteria sample is taken from the immediate vicinity of a hydrothermal vent. You would expect for it to most likely contain
a. diatoms. b. hyperthermophiles. c. lignicolous fungi. d. cyanobacteria.
How do we know that hominids did not have
splayed-out big toes? a. Mary Leakey found footprints fossilized from soft volcanic ash. b. Some of the great apes have lost their splayed toe features. c. Complete fossils of these early hominids have been discovered. d. Examples of these hominids exist in New Guinea. e. None of these are correct.
Which of the following statements is not correct about lactic acid fermentation?
a. It is inefficient compared to aerobic respiration. b. It uses glucose as a substrate. c. It produces two ATP molecules for every glucose molecule. d. Oxygen is the final electron acceptor of this pathway. e. Glycolysis is the only energy-yielding step of this pathway
An easy way to describe a radiolarian would be to say that it is
A. A paramecium that is capable of photosynthesis B. Ameoba in a diatom shell C. A diatom with many flagella D. A red algae trapped in a glass casing