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.
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
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