The first part of the small intestine is the ____
a. duodenum
b. ileum
c. colon
d. cecum
e. jejunum
a
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Organisms that ignore oxygen and grow equally well in its presence or absence are called
A. microaerophiles. B. aerotolerant. C. facultative anaerobes. D. anoxygenic.
In the cell membrane, what are the "heads" composed of?
A) cellulose B) chitin C) enzymatic proteins D) glycerol linked to a phosphorus-containing molecule E) glycerol linked to three fatty acid chains
During breakdown of fatty acids, carbons are removed ________ at a time with each turn of the cycle, and two carbon units are released as ________.
A. one; carbon dioxide B. two; acetyl-CoA C. one; methane D. two; ethanol
When all genotypes within a population do not have equal rates of survival, then allele frequencies may change from one generation to the next by a process called ________
Fill in the blank(s) with correct word