The ____ structure of a protein refers to the conformation, or overall three-dimensional shape, of a
polypeptide that has been folded into a functional protein.
a. primary
b. secondary
c. tertiary
d. quaternary
e. linear
C
You might also like to view...
Which statement describes the functioning of photosystem II?
A) Light energy excites electrons in the thylakoid membrane electron transport chain. B) Photons are passed along to a reaction-center chlorophyll. C) The P680 chlorophyll donates a pair of protons to NADP+, which is thus converted to NADPH. D) The electron vacancies in P680+ are filled by electrons derived from water. E) The splitting of water yields molecular carbon dioxide as a by-product.
A prolonged period without rain is causing a major drought in the American Midwestern states. How would you expect crops to respond initially to the stress caused by the drought?
A. They will take in more carbon dioxide. B. They will take in less carbon dioxide. C. They will release more oxygen. D. They will increase rates of photosynthesis. E. They produce fewer secondary metabolites.
You are part of a team that discovers a new nitrogen-fixing bacteria in symbiosis with a plant. As you study this new bacteria, you discover that it is photosynthetic. This bacteria is likely to be:
A. cyanobacteria. B. actinobacteria. C. proteobacteria. D. none of the above.
Lymphocytes that become part of cell-mediated immunity arm of the adaptive immune response develop in the:
A) intestine. B) bone marrow. C) spleen. D) lymph nodes. E) thymus.