Referring to the genetic code, what is meant by "wobble"?
What will be an ideal response?
relaxed pairing specificities in the third-base position of a codon
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following amino acid would be characterized as __________ based on the chemical properties of
its side chain.
a. nonpolar
b. acidic
c. basic
d. hydrophilic
e. electrically charged
One way embryonic cells can identify where they are within in an embryo is by engaging in the process of
A. cell differentiation or differential expansion B. cell proliferation C. programmed cell death D. induction from adjacent cells
How does the embryo of an egg-laying animal obtain nutrients for growth?
A. from the calcium carbonate found in the egg shell B. from the yolk of the egg C. from the mother's body D. from the amniotic sac E. through tiny pores in the shell of the egg
________ makes it possible to trace phylogenies among microbial groups for which there is no fossil record
A) Convergent evolution B) Using vertebrate outgroups C) Horizontal gene transfer D) Molecular systematics