DNA and RNA are alike in that they _____________.
A. both have same pentose sugar
B. use the same nitrogenous bases to assemble the genetic code
C. have the same number of strands
D. both contain nucleotides
E. are both made in the cytoplasm
Answer: D
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Sucrose is composed of ____
a. two molecules of fructose b. two molecules of glucose c. a molecule of fructose and a molecule of glucose d. a molecule of fructose and a molecule of galactose e. two molecules of galactose
What is proprioception?
A) the sense of pressure on the body B) the sense of the position of the body C) the sense of smell D) the sense of the body's temperature
A blood culture bottle is flagged as postiive by the instrument. the culture is platedto a sheep blood agar plate chocolte plate and MacConkey plate. A gram stain is prepared. Both gram positive cocci and Gram neg bacilli are observed. What additional media would be most helpful to inoculate
A. EMB plate B. Hektoen Enteric plate C. CNA plate D. Thioglycollate broth
The wobble hypothesis is that
a. codon-anticodon pairing must only follow the standard base-pairing rules at the first two codon positions. b. some mutations introduce termination codons. c. most amino acids have more than one codon representing them. d. an mRNA may encode more than one polypeptide, and the ribosome may "wobble," or begin at alternate start codons. e. mutations are less likely to occur at the third base of the codon.