The genetic material is duplicated during
A) the mitotic phase.
B) G1.
C) the S phase.
D) G2.
Answer: C
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You may have heard about Kopi luwak coffee, produced from coffee beans collected after passing through the digestive tracts of animals known as civets. Why might the coffee plant have developed fruit that would be ingested by civets?
Select all correct choices. A. Passing through the civet digestive tract causes vernalization of coffee seeds. B. Passing through the civet digestive tract helps in the dispersal of coffee seeds. C. Passing through the civet digestive tract activates the photoreceptors of coffee seeds. D. Passing through the civet digestive tract helps coffee seeds germinate.
The most dangerous outcome of a Taenia solium infection occurs when
A. larvae cross the placenta. B. eggs are ingested. C. larvae enter the body through intact skin. D. cysticerci are ingested. E. the host immune system fails to react against it.
Which of the following do not depend directly on
sunlight for energy? I. terrestrial producers II. animal consumers III. decomposers a. I only b. II and III only c. II only d. III only e. I and III
All humans belong to the same species.
a. true b. false