How many codons are in the mRNA sequence GGAAUGAAACAGGAACCC?
A. 0 because mRNA has only anticodons
B. 6
C. 27
D. 9
E. 3
Answer: B. 6
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Bdellovibrio species are ________ cells that replicate in the ________
A) symbiotic / gills of clams B) lithotrophic / deep subsurface C) predatory / periplasmic space D) denitrifying / sediments of freshwater lakes
When an enzyme-catalyzed reaction reaches equilibrium ____
a. the enzymes are now inhibited b. the chemical reactions cease c. the rate of the forward and reverse reactions are equal d. the concentration of reactants equals the concentration of products e. ATP is no longer required to drive the reaction
Which region(s) of the ribosome accept(s) charged tRNA molecules during the elongation phase of translation?
a. the A site b. the A site or the E site c. the P site d. the P site or the E site e. the E site
What percentage of people in this population have short fingers and toes?
A) 0% B) 16% C) 36% D) 64% E) 84%