If a behavior has evolved by natural selection, it must have ________.
A. benefits for both males and females
B. a genetic basis
C. reduced the predation rate on the animal
D. evolved the same way in each species
Answer: B
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The nitrogenous base that is only found in DNA and not in RNA is: rev: 02_22_2014_QC_45858
A. cytosine. B. uracil. C. adenine. D. thymine. E. guanine.
True or False: the energy from the movement of electrons through the electron- transport chain is directly used to synthesize ATP
A. true B. false
Broad-spectrum antibiotics have minimal effect on the normal microbiota
Indicate whether this statement is true or false.
What is the goal of DNA sequencing?
a. to determine the protein products of particular genes b. to distinguish the exons from the introns c. to determine the precise order of the nucleotides d. to distinguish wild type from mutated DNA