Water-soluble vitamins are _____
a. stored in body fat
b. not destroyed by heat
c. often coenzymes
d. often lacking in the diet
e. stable in heat
ANSWER: c
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Discuss energy in reference to Case 1, The First Cell: Life's Origins. The conversion of H2S to sulfuric acid is used as a source of energy by some extremophiles
As described in Case 1, some extremophiles can use hydrogen sulfide gas (H2S) as a source of energy. What can you conclude about the G of the reaction and the relative potential energies of the reactant and product? What will be an ideal response?
Which of the following explains why bulk transport allows for a larger body size to be attained?
A. All of these options are reasons why bulk transport allows for a larger body size. B. Bulk transport allows for nutrients to be transported over greater distances. C. Bulk transport allows for rapid communication between different parts of the body. D. Bulk transport allows for oxygen to reach interior cells that are located far from the surface of the body. E. Bulk transport allows for waste products to be removed more efficiently.
A(n) ____________________ contraction occurs when a muscle shortens as it moves a load. Fill in the blank(s) with the appropriate word(s)
The serotinous cones of the longleaf pine, Pinus palustris, depend on ________ to release their seeds.
A. sustained rainfall B. daylight C. fire D. extended freezes E. animals