Which structure makes a protein a molecule that can perform a particular function?
a. primary
b. secondary
c. tertiary
d. quaternary
e. isomeric
C
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Part of the ability of S. mutans to produce dental caries depends on its ability to
A. invade plaque and dissolve the gums. B. convert sucrose to lactic acid. C. convert proteins to sugars. D. attach to the gums.
Why may eating carrots be useful for enhancing vision?
A. High levels of beta-carotene can lead to the production of a pigment used in vision. B. High levels of NADPH in carrots can allow vertebrate eyes to perform the light reactions. C. High levels of chlorophyll in carrots helps with photosynthesis in the eyes. D. High levels of carotenoids in carrots can allow vertebrate eyes to perform the dark reactions.
Human germ cell line (23 pairs of homologous chromosomes) allows for _____ combinations of
maternal and paternal chromosomes every tume a gamete is produced. a. 223 b. 232 c. 8 d. 8, 000 e. 23
Identify the labeled structures of the respiratory system in the diagram.
A:________B:________C:________D:________E:________F:________G.________H:________I:________
What will be an ideal response?