Sugar is an organic molecule because it contains:

A) carbon and oxygen.
B) water.
C) carbon.
D) carbon and nitrogen.
E) carbon dioxide.


Answer: C

Biology & Microbiology

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This molecule combines with CO2 to form the 3-carbon substance, 3-phosphoglycerate.

A. glyceraldehyde-3-phosphate (G3P) B. glucose C. ribulose biphoshpate (RuBP) D. glycerol E. nicotinamide adenine dinucleotide phosphate (NADPH)

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Prednisone would be most similar to which of the following?

A. cortisol B. insulin C. thyrotropin-releasing hormone (TRH) D. oxytocin E. glucagon

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The decline of the eugenics movement in the U.S. in the early 20th century resulted from ____

A. its misuse for social and political purposes by the Nazis B. the lack of knowledge of the cell theory C. the lack of understanding of natural selection D. the idea that most human traits are controlled by single genes E. all of these

Biology & Microbiology

To explain how varieties were on the path to becoming new species, Darwin introduced the concept of:

a. descent and modification. c. variational change. b. transformational change. d. All of the above.

Biology & Microbiology