When a muscle cell demands energy to perform its work of contraction, ATP
A) manufactures more ATP.
B) catalyzes the reaction.
C) is broken down and liberates energy.
D) enters a metabolic pathway.
E) is phosphorylated.
C
You might also like to view...
C4 plants are usually ________ in shady habitats because C4 photosynthesis has ______________ than the C3 pathway
A. common; lower ATP requirements B. common; higher ATP requirements C. rare; lower ATP requirements D. rare; higher ATP requirements
The site-specific recombinases are similar to topoisomerases in what way?
A. They introduce supercoils. B. They require ATP hydrolysis for their activity. C. They promote phosphoryl group transfers in which the net change in free energy is close to zero. D. They also assist in compaction of the DNA. E. They mediate strand invasion reactions.
In invertebrates with open circulatory systems, hemolymph is composed of:
A. plasma. B. interstitial fluid. C. plasma plus intracellular fluid. D. plasma plus interstitial fluid.
A strap of dense connective tissue that connects muscle to bone is (a)
a. ligament. b. cartilage. c. myofibril. d. tendon. e. filament.