Many people regularly donate plasma. Which of the following substances is not given when the plasma is donated?

A) red blood cells B) electrolytes C) water D) antibodies


Answer: A

Biology & Microbiology

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The cell wall of plants is composed primarily of cellulose, which is a network of highly branched ____

a. carbohydrates b. nucleic acids c. proteins d. steroids e. phospholipids

Biology & Microbiology

Most of the energy within an ecosystem is lost:

a. when organisms disperse b. when organisms die c. as a result of metabolism d. by organisms at the top of the food web e. by decomposers

Biology & Microbiology

Select the best choice for statements 89–93 in reference to the

four groups of protists listed below. a. stramenopiles b. amoebozoans c. alveolates d. parabasalids and diplomonads E 89. The common amoeba, Amoeba proteus, is a member of this group. M 90. The slime molds are members of this group. M 91. The malarial parasite Plasmodium is a member of this group. D 92. This group includes the diatoms. M 93. Paramecium belongs to this group.

Biology & Microbiology

Capillaries are indicated by

a. A. b. B. c. C. d. D. e. E.

Biology & Microbiology