Proteins can be used for which one of the following cellular roles?
A. cell signaling
B. structural support
C. biological catalysis
D. cell communication
E. All of these choices are correct.
Answer: E
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Indicate whether the statement is true or false
The epiglottis functions during
A) yellowing B) speaking C) breathing D) swallowing
You are assembling a model of a chromosome, but begin having some trouble when you get to the step of forming chromatin loops. If you are unable to resolve this problem, what step of chromosome structure would you be unable to achieve?
A. Nucleosome B. Solenoid C. Histone/DNA complex D. Rosettes
The genetic preservation of the features that increase the likelihood of survival and reproduction of some individuals within a population is called the process of
A. natural selection. B. creation of new species. C. inheritance of acquired characteristics. D. genetic drift. E. increasing evolutionary resistance.