From the standpoint of evolutionary fitness,it is expected that genes with a high rate of expression will make use of amino acids that are ________ than those amino acids used by genes with a low rate of expression.
A) more common
B) more energetically economical
C) more energetically costly
D) rarer
E) None of these
Correct Answer:
Verified
Q12: Indels are
A)index deletions used to identify a
Q13: The average synonymous substitution rate in mammalian
Q14: With regards to the sequence alignment
Q15: Codon bias suggests that
A)some codons evolved earlier
Q16: The differences in evolutionary rates of change
Q18: Synonymous changes that arise within coding sequences
Q19: Nonsynonymous substitutions
A)do not lead to amino acid
Q20: What is the number of possible unrooted
Q21: Distinguish between a gene tree and a
Q22: It is not unusual for a phylogeny
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