Vitamin D can be synthesized by the body from a derivative of cholesterol. Given this information, predict vitamin D's solubility.
A. Vitamin D is fat-soluble.
B. Vitamin D is not soluble in either water or fat.
C. Vitamin D is water-soluble.
D. Vitamin D is soluble in both water and fat.
Answer: A
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As it carries blood away from a glomerulus, the efferent arteriole divide and form the ________ capillary network, which surrounds the rest of the nephron
Fill in the blank(s) with correct word
As a result of testing an experimental drip on a vertebrate cell, you notice that the cell cortex becomes
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Today, the fossil record
A. can be dated precisely, to within a single year, using radioactive isotopes. B. can be dated reasonably well using a variety of radioactive isotopes with known half-lives. C. can be dated reasonably well only with uranium-238. D. can be dated only with one layer in relation to older layers below and younger layers above, no actual dates can be estimated. E. can be dated precisely, to within a single year, using DNA hybridization.