By the end of the fourth week the embryo is
____ times larger than its starting size.
a. 100
b. 200
c. 300
d. 400
e. 500
E
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Metabolic reactions fall under two general categories: anabolic and catabolic. What type of chemical reactions are these two classes of metabolic reactions?
A. Anabolic reactions are exergonic reactions, whereas catabolic reactions are endergonic. B. Both anabolic and catabolic reactions are exergonic. C. Both anabolic and catabolic reactions are endergonic. D. Anabolic reactions are endergonic reactions, whereas catabolic reactions are exergonic.
Pathogenic members of which fungal phylum are responsible for Dutch elm disease and athlete's foot?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota d. Zygomycota e. Ascomycota
Dense fibrous tissues that connect muscle to bone are
a. filamentous. b. cartilaginous. c. ligaments. d. tendons. e. all of these.
Which of the following statements applies to sexually reproducing species but not asexually reproducing species?
A. Reproduction can occur with either one or two parents. B. The two "daughter" cells that result from cell division following mitosis are genetically identical to each other and to the original "parent" cell. C. Two kinds of cell division are required. D. Offspring are able to reproduce.