A molecule is considered a nutrient if it ______.
a) provides energy
b) provides building blocks for the body/cell
c) helps regulate the metabolic processes of the body
d) A and C are both correct but not B
e) A, B, and C are all correct.
Ans: e) A, B, and C are all correct.
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Communication has often evolved through co-opting and modifying behaviors used in another context. For example, the communication advantage to scent markings is to:
A. strategically mark particular locations for eliminating wastes. B. let an intruder know where another individual's territory is so that a costly fight would not ensue. C. advertise to other individuals in order to attract mates. D. All of the answer options are correct. E. None of the answer options is correct.
What will translational controls govern?
a. The modification of the polypeptide b. Interactions between DNA and the histone protein c. mRNA leaving the nucleus d. mRNA transport e. mRNA stability
The greatest threat to the Florida manatees is
a. loss of habitat. b. human predation. c. being mauled or killed by boats. d. stranding in thermal plumes of power plants. e. disease from urban runoff.
The first codon to be deciphered was ________, which codes for ________.
A. GGG; alanine B. CCC; glycine C. TTT; arginine D. UUU; phenylalanine E. AAA; proline