A single-celled freshwater organism, such as a protistan, is transferred to salt water. What is likely to happen?
a. The cell will bursts
b. Salt will be pumped out of the cell.
c. The cell will shrink.
d. Enzymes will flow out of the cell.
e. Water will move into the cell.
c
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Answer the following statement(s) true (T) or false (F)
What is the oldest (in other words, most ancient) primate group?
A. Old World monkeys B. Lemurs C. New World monkeys D. Gibbons
What is the chromosome composition of a normal human female?
A. 22 autosomes and 2 X chromosomes B. 44 autosomes, 1 X chromosome, and 1 Y chromosome C. 44 autosomes and 2 X chromosomes D. 46 autosomes and 2 X chromosomes
Asexual reproduction
A) requires the genetic contributions of two individuals. B) requires two types of sex cells. C) results in offspring that are clones of the parent. D) results in fertilization.