The primary structure of a protein: (select all that apply)
A) is important for determining the secondary and tertiary structure of a protein.
B) is simply the order of amino acids from one end of the protein to another.
C) is important both genetically and structurally.
D) is the linear sequence of amino acids that are linked together by peptide bonds.
E) all of the above
Ans: E) all of the above
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Veins
a. are under great pressure. b. are thicker than arteries. c. carry blood toward the heart. d. carry blood away from the heart.
The part of a neuron that conducts an electrical signal towards other neurons is/are the
a. dendrites. b. cell body. c. axon. d. dendrites and axon. e. dendrites, cell body and axon.
Which of the following is a bacterium associated
with severe lung infection that requires a skin test or x-ray to identify? a. jock itch b. Bacillus subtilis c. Mycobacterium tuberculosis d. Staphylococcus epidermidis e. none of these
Which of the following is a "cost" associated with sexual reproduction?
a. other than mutation, no new genetic diversity in the next generation b. requires time/energy to find/court mat c. only females can produce offspring d. disruption of beneficial allele/trati combinations e. none of the aboves are costs associated with sexual reproduction