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1
The site of protein synthesis is
A)at the nuclear membrane.
B)at ribosomes.
C)near microfilaments.
D)always at a Golgi body.
2
Removing only one base in a DNA sequence
A)usually has no effect on the organism.
B)could result in a chromosomal mutation.
C)cannot occur without extremes of heat and pressure.
D)can result in a significant change in the information about a protein.
3
A DNA gene strand with the base sequence CCA - TAT - TCG codes for the amino acid sequence: (consult the Amino Acid - mRNA Dictionary in your text or lab manual)
A)proline - tyrosine - serine.
B)glycine - isoleucine - threonine.
C)proline - tyrosine - threonine.
D)glycine - isoleucine - serine.
4
The mRNA codon CAU will form temporary bonds with the
A)mRNA anticodon CAU.
B)mRNA codon GUA.
C)tRNA anticodon GUA.
D)tRNA codon CAU.
5
The sequence of events in protein synthesis can be summed up as follows:
A)DNA --> transcription --> RNA --> translation.
B)DNA --> translation --> RNA --> transcription.
C)DNA --> RNA --> transcription --> translation.
D)DNA --> RNA --> translation --> transcription.





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