Fungi digest macromolecules by ________.
A. phagocytosis
B. active transport
C. intracellular digestion
D. extracellular enzyme activity
Answer: D
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Temperate deciduous forests generally have ____ annual precipitation levels and ____ temperatures than boreal forests
a. higher; higher b. the same; lower c. the same; higher d. lower; lower e. lower; the same
The study of genomes is called
a. genomics. b. genetics. c. gene sequencing. d. genetic engineering. e. DNA sequencing.
Skeletal muscles act by _______________.
A. pulling on bones in opposing pairs. B. pushing and pulling on bones in antagonistic pairs. C. pulling on other muscles in a coordinated fashion. D. contraction against a fluid-filled cavity. E. functioning as a lever.
One potential consequence of protein denaturation is that the:
A) protein becomes more tightly folded. B) protein adds another polypeptide to its folded shape. C) protein loses its functionality. D) protein performs more efficiently than it did before. E) protein's primary structure changes.