In eudicots the endosperm is usually stored in which of the following seed parts?
A. cotyledons
B. embryos
C. wall
D. membrane
E. None of these is correct
A. cotyledons
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Which of the following chemical bonds do you think Nakano is referring to in his quote?
A) peptide B) glycosidic C) phosphodiester D) ionic
Q fever is apt to occur in epidemic form among ________.
A. slaughterhouse workers B. farmers C. veterinarians D. All of the choices are correct.
In each fly species, the entire body segment that gave rise to the original flight wings is missing. The mutation(s) that led to the flightless condition could have _____
A) duplicated all of the Hox genes in these flies' genomes B) resulted in paedomorphosis C) altered the expression of a Hox gene D) originated in another species
Natural selection acts only on traits that are _____.
A. advantageous in a certain environment B. disadvantageous C. advantageous D. heritable