The reduced reproductive rate in primate evolution involves

A. lengthy gestation periods with one birth at a time.
B. extended life spans.
C. a reduction in the number of offspring.
D. All of the choices are correct.


Answer: D

Biology & Microbiology

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Blood entering the heart from the body passes through the heart chambers and lungs in the following order:

A. right atrium, right ventricle, lungs, left atrium, left ventricle. B. left atrium, left ventricle, lungs, right atrium, right ventricle. C. right atrium, left atrium, lungs, right ventricle, left ventricle. D. left atrium, right atrium, lungs, left ventricle, right ventricle. E. right ventricle, left ventricle, lungs, left atrium, right atrium.

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The major function of ______ T cells is to secrete cytokines that affect other immune system cells (B cells, cytotoxic T cells, macrophages)

Fill in the blank(s) with the appropriate word(s)

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In zygomycetes such as Rhizopus, the zygospore is haploid

____________________ Indicate whether the statement is true or false.

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Mitochondria can be isolated from cells and their production of ATP measured. You want to identify the mechanism of ATP production, so you isolate mitochondria, remove the outer membrane, and place them in a high pH solution. What will happen to the ATP

production if you start to lower the pH by adding hydrogen ions to the solution? What will be an ideal response?

Biology & Microbiology