What type of chemical bond forms during a dehydration synthesis reaction?
A. Covalent
B. Ionic
C. Hydrogen
D. Polymer
Ans: A. Covalent
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If one reproductive strategy of a eukaryotic organism is gamete fusion, what can be concluded about that organism?
A. The organism participates in horizontal gene transfer. B. Progeny organisms are identical to each other. C. The organism participates in vertical gene transfer. D. The organism reproduces asexually.
What virulence factor helps V. cholerae adhere to the surface of our intestine?
A. Enterotoxins B. Mucinase C. Lipase D. Loss of Normal Flora E. Diarrhea F. Edema toxin
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Figure 33.8
Use the accompanying figure to answer the following question.
What letter indicates a taste bud?
A. A B. B C. C D. A and B E. None of these, because they are olfactory receptors
The components of a nucleotide are:
a. a nitrogenous base b. a nitrogenous base and a pentose sugar c. a nitrogenous base, a pentose sugar, and a phosphate group d. a nucleoside and a phosphate group e. Both c and d