If a cell with two nuclei were discovered, which of the explanations below would be true?
A) Meiosis and mitosis both occurred. B) Mitosis occurred without cytokinesis.
C) Cytokinesis occurred without mitosis. D) The cell remained in interphase continuously.
Answer: B
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Cytoskeleton components that are composed of microtubules that move in a whiplike motion to propel the cell.
A) Cristae E) Flagella
B) Electron transport chain F) Plasma membrane
C) Microtubules G) Citric acid cycle
D) Glycolysis H) ATP
Some cases of male infertility are due to immature sperm or sperm that cannot readily penetrate an oocyte. For these individuals, fertilization can still be accomplished using
A) CVS. B) IVF. C) ICSI. D) GIFT.
Which organizational unit includes the fewest species of organisms?
a. class b. biosphere c. community d. population e. ecosystem
Which describes the interaction between genes such that the presence of certain alleles in one locus affects the expression of certain alleles in the other locus?