The structure of phospholipids includes a water-soluble phosphate group and water-insoluble fatty acid tails.

a. true
b. false


Ans: a. true

Biology & Microbiology

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Outline at least 3 ecological roles of marine flowering plants

What will be an ideal response?

Biology & Microbiology

Positive feedback systems play a role in ____

a. blood pressure control b. fluid volume regulation c. body temperature regulation d. child birth e. blood glucose regulation

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In response to a decrease in the stretch of a baroreceptor, sympathetic nervous activity will ________ while parasympathetic nervous activity will ________.

A) not change : increase B) decrease : increase C) increase : decrease D) not change : remain constant E) decrease : remain constant

Biology & Microbiology

The ATP generated from cellular respiration is not sufficient to drive the Calvin cycle in plants, even if appropriate levels of NADPH and CO2 are present. Why not?

A. Cellular respiration and photosynthesis do not happen in the same cells in plants B. Breaking down sugar to provide the energy needed to synthesize sugar would be a futile cycle C. Plants do not undergo cellular respiration D. The Calvin cycle requires more ATP than can possibly be made from cellular respiration

Biology & Microbiology