Synthesis of an inducible enzyme requires Multiple Choice corepressor and repressor bound to operator. repressor alone bound to operator. substrate bound to promoter. substrate bound to repressor.

With oxygen present, the Krebs cycle and the electron transport chain break down glucose to produce carbon dioxide, water, and ATP. produce most of the ATP needed for life. provide organisms an alternative to glycolysis. All of the above

Olfactory receptors are A) bipolar cells B) multipolar cells C) unipolar cells D) epithelial cells A A B B C C D D

What replaces peptidoglycan in Archaea cell walls? an S-layer organelles DNA amino acids

The SCN is known as the pacemaker because without it, we cannot estimate time accurately. True False

Which of the following tools do scientists use to cut DNAin genetic engineering? plasmids small knives DNA ligase proteases restriction enzymes

Which section of the brain helps regulate digestion and respiration? Cerebrum Cerebellum Diencephalon Brainstem

What happens when insulin is released into the blood? (Choose two) Body cells take in glucose. Liver cells break down glycogen and release glucose into the blood. Body cells break down glycogen and release glucose into the blood. Liver cells take in glucose.

Which scenario demonstrates a cause-and-effect relationship? A population of dead bats is discovered with noses that are coated with a white fungus. Bats with microscopic damage to wing membranes are found to be infected with a cold-loving fungus. Agricultural regions with high infestations of insect pests are located near caves that contain a white fungus and very few bats In a laboratory, 100 healthy bats exposed to a fungus develop white nose syndrome and die.

What is the plasma membrane that wraps each muscle fiber? Epimysium Endomysium Fascicle Sarcolemma

Which of the answers below is not a major factor in altering alleles that can bring on evolutionary change? Gene flow Genetic Drift Natural selection Recombinant DNA