4. Read the following sentence from the section "Are All Enzymes Proteins?"
Most of the time students study enzymes, they are really studying protein-based
enzymes, since very little is known about how RNA can act as a catalyst.
The author uses the word "catalyst" to mean...
A. someone whose enthusiasm causes others to be more energetic
B. something that generates activity between two or more people
C. a person who launches an event or change
D. a substance that causes or speeds up a chemical reaction
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Use the distance formula to determine weather each pair of segments have the same length
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Which kind of mutation has occurred when the codon for an amino acid is changed to a stop codon? a. a silent mutation b. a missense mutation c. a frameshift mutation d. a nonsense mutation
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4. Read the following sentence from the section "Are All Enzymes Proteins?"
Most of the time studen...
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