A red blood cell will burst when placed in which of

the following kinds of solution?
a. hypotonic
b. hypertonic
c. isotonic
d. any of these
e. none of these


Answer: a

Biology & Microbiology

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The responsible management (use and conservation) of the earth's resources indefinitely is called ________.

A. the maximum sustainable yield B. landscape ecology C. sustainable development D. carrying capacity

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The rectal gland of sharks is involved in the excretion of:

a. urea. b. sodium chloride. c. calcium and magnesium. d. trimethyamine oxide. e. carbon dioxide.

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How many chromosomes do human somatic cells contain?

a. 23 b. 46 c. 92 d. 108

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Answer the following questions true (T) or false (F)

1. Double fertilization occurs within the embryo sac in the carpels of angiosperms. 2. The fruit that surrounds a seed provides the primary nourishment for the germinating embryo. 3. Although they may look different, all fruits come from one carpel and produce one seed.

Biology & Microbiology