Which organism is considered part of the nekton?
a. frigate bird
b. penguin
c. cormorant
d. snowy plover
e. albatross
B
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When an enzyme becomes denatured, it
(a) increases in effectiveness. (b) loses its requirement for a substrate. (c) forms an enzyme–substrate complex. (d) loses its ability to function.
The diameter of a blood vessel will be reduced by the contraction of ________
a. cardiac muscle b. smooth and cardiac muscles c. skeletal and cardiac muscles d. smooth muscle e. skeletal muscle
Describe how and why some species of nudibranchs use the stinging nematocysts of cnidarians
What will be an ideal response?
Larger genes tend to have ________ smaller genes
a. more exons than b. fewer exons than c. larger exons than d. smaller exons than e. the same number and size of exons as