Some aquatic organisms that live in cold environments similar to that of crabs have multiple forms of certain enzymes that catalyze reactions at various temperatures. Explain how having multiple forms of enzymes would contribute to the fitness of these organisms.

Biomass can be used to generate electricity. biomass relies heavily on agricultural crops. plants release carbon dioxide and water in combustion. plants use photosynthesis to originally generate the energy that is needed. the chemical energy of these plants all started with what energy source?

The reactions that occur in the ribosome, where amino acids are combined to form proteins are anabolic or catabolic?

The vaccine in a flu shot contains weakened flu viruses. how does a flu shot work with the immune system? a. it destroys lymphocytes. b. it destroys macrophages. c. it activates macrophages. d. it activates lymphocytes.