The two tendons of the upper portion of the biceps attach to the ____
a. clavicle
b. scapula
c. humerus
d. radius
e. backbone
ANSWER: b
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Certain prokaryotes can withstand drying and hotter temperatures because of their ability to form
A. cell walls. B. endospores. C. flagella. D. organelles. E. plasmids.
Which number identifies a regulatory sequence that can increase the rate of transcription?
a. 1 b. 3 c. 4 d. 5 e. 6
A student analyzes a genomic DNA sequence of 100 nucleotides in order to determine if it is part of a gene. When she translates the sequence beginning at the first nucleotide, she finds that the tenth codon is UAA. What should she do next?
A) Tell her professor that the sequence does not represent an exon. B) Tell her professor that the sequence encodes a peptide with nine amino acids. C) Translate the sequence in the other five reading frames. D) Use the genomic DNA to make a cDNA of the sequence.
Anabolic reactions are those that ________ .
a. break down proteins into amino acids b. release energy c. increase absorption of nutrients in the small intestine d. regulates the passage of molecules in and out of a cell e. convert small molecules to larger ones