A stage that is typically involved in sexual
reproduction is indicated by
a. A.
b. B.
c. C.
d. D.
e. E.
Answer: c
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When the peptide bond is created between amino acid 1 and amino acid 2:
A. the amino group of amino acid 1 is joined to the carboxyl group of amino acid 2. B. the carboxyl group of amino acid 1 is joined to the amino group of amino acid 2. C. the carboxyl group of amino acid 1 is joined to the carboxyl group of amino acid 2. D. the amino group of amino acid 1 is joined to the amino group of amino acid 2.
Which of the following would be a modern example
of Lamarckianism? a. A strain of houseflies resistant to insecticides emerges. b. Squirrels separated by a river are found to be unable to interbreed. c. A son is born with a portion of his right index finger missing—the same portion that was severed from his father’s hand in an accident. d. A strain of houseflies resistant to insecticides emerges, and squirrels separated by a river are found to be unable to interbreed. e. A strain of houseflies resistant to insecticides emerges; squirrels separated by a river are found to be unable to interbreed, and a son is born with a portion of his right index finger missing—the same portion that was cut off from his father’s hand in an accident.
A molecule of a saturated triacylglycerol contains:a
the maximum number of double bonds between carbons in the fatty acid chains. b. the maximum number of triple bonds between carbons in the fatty acid chains. c. the maximum number of hydrogen atoms in the fatty acid chains. d. fatty acid chains with both amino and carboxyl groups. e. alternating single and double bonds between carbons in the fatty acid chains
Even though biology is a broad field of study, ______ serves as a central theme that unifies all of biology.
A. regulation B. response to the environment C. order D. evolution