While examining the sequence of nucleotides in the replicon region of bacterial DNA, you note an abundance of adenine and thymine base pairs. This leads you to conclude that this particular section of the DNA must be the ________.
A. oriC site
B. Pribnow box
C. ter site
D. Shine-Dalgarno sequence
Answer: A
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An intestinal protozoan appeared 8 µm in diameter with a small, compact, centrally located karyosome. Four nuclei were observed in the mature cyst. The organism can be identified as:
a. E. histolytica. b. E. dispar. c. E. hartmanni. d. E. coli.
Different healthy individuals exhibit widely varying responses to the same microorganism due to ______ differences that influence their first, second, and/or third line immune defenses
Fill in the blank(s) with the appropriate word(s).
The ability of some bacteria to produce lactate is exploited by humans to make:a
cheese and ethyl alcohol. b. insulin and antibodies. c. yogurt and sauerkraut. d. ethyl alcohol and carbonic acid. e. carbon dioxide and water
Ovules are contained within the
A. anther. B. filament. C. style. D. stigma. E. ovary.