Which level of protein structure has the greatest effect on the remaining levels?
a. primary
b. secondary
c. tertiary
d. quaternary
a
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In order to reuse an enzyme after the conclusion of an enzyme catalyzed reaction, what must occur?
A. the enzyme has to be resynthesized B. the enzyme has to separate itself from the product C. changes into an active form D. the enzyme has to decrease entropy
Viruses exhibit all the following except ________.
A. genes B. ultramicroscopic size C. definite shape D. metabolism E. ability to infect host cells
Type II survivorship curves
a. are characteristic of humans and elephants. b. indicate a fairly constant rate of death at all ages. c. indicate a high mortality rate in the very young. d. are characteristic of species in which most individuals live a relatively long life and die of old age. e. are typical of species with high biotic potentials.
Which group includes organisms that are unicellular, have two flagella and contain chlorophyll a & c?
A. foraminifera B. dinoflagellates C. euglenoids D. choanoflagellates