In most developing eudicot seeds, the primary source of nutritive material is in the:a
embryo.
b. cotyledons.
c. zygote.
d. endosperm.
e. micropyle
D
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Which of the following is not true about the G + C content percentages in DNA of organisms?
A. Similar G + C percentages only suggests relatedness if the two organisms are also alike phenotypically. B. Organisms with different G + C percentages have dissimilar base sequences. C. Organisms with similar G + C percentages have similar base sequences. D. All of the choices are correct.
In which of the following ways are archaea similar to eukaryotic cells?
a. size b. shape c. presence of histones d. DNA polymerases e. presence of operons
Prior to 1979, Americans in thirty states could be sterilized against their will if they were _____
1.alcoholic 2.promiscuous 3.convicted criminals 4.considered feebleminded 5.all of the choices
In which organ does the smooth ER inactivate drugs and harmful metabolic byproducts?
a. brain b. kidney c. liver d. heart e. spleen