What, specifically, determines the sequence of
amino acids in a polypeptide of eukaryotes?
a. the DNA gene
b. the introns
c. the exons
d. the initial mRNA transcript
e. the tRNA anticodons
C
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Most large cities have required the pasteurization of milk and milk products since
A. 1800. B. 1850. C. 1900. D. 1920.
During DNA replication, the enzyme called DNA ______ joins the newly synthesized DNA segments.
Fill in the blank(s) with the appropriate word(s).
Factors that contribute to difficulty in eliminating fungal infections via the body's defenses include
A. the capsules of some fungi resist phagocytosis. B. many fungi are resistant to cell mediated immune responses. C. many pathogenic fungi produce leukocidins. D. both resistance to phagocytosis and cell mediated immunity. E. many pathogenic fungi are resistant to the action of complement.
The good genes model predicts that the evolution of female preference for a male trait can never result in detrimental effects for the female
How can this prediction be reconciled with sexually selected male traits that are detri-mental to females (e.g., Drosophila male accessory gland proteins)? a. It cannot be reconciled, and the good genes model is invalid. b. Costs to females are never real and are always compensated by an overall gain in fitness. c. Intrasexual selection among males leads to traits that are detrimental to females. d. Detrimental effects to females are balanced by equally detrimental effects in males. e. C and D.