DNA and RNA contain functional units known as:
A. peptides.
B. enzymes.
C. amino acids.
D. nucleotides.
E. fatty acids.
D. nucleotides.
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In the Sanger method of DNA sequencing, incorporation of the nucleotides stops because
A) the dideoxynucleotide analogs have no 3'-OH group to continue DNA synthesis. B) the dideoxynucleotide analogs have no 5'-OH group to continue DNA synthesis. C) the dideoxynucleotide analogs have no 2'-OH group to continue DNA synthesis. D) the mixture is heated to 92°C to stop DNA synthesis at specific time intervals. E) the dideoxynucleotide analogs are in greater concentration than the actual nucleotides.
During long-term stress, cortisol levels can remain high. What are some of the problems associated with this?
What will be an ideal response?
During the Uruguay round of GATT negotiations, the United States sought to
a. liberalize trade in agricultural products. b. increase the number of quotas on finished goods. c. liberalize the use of embargoes. d. tighten the role of GATT in excluding services.
Which limbic structure filters incoming sensory information and interprets it in the context of emotional needs and
survival? a. amygdala b. hippocampus c. basal ganglia d. hypothalamus e. thalamus