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Pre-Test
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1
Which one of the following accurately represents the Central Dogma of molecular biology?
A)DNA is translated into protein, which is then transcribed into RNA.
B)RNA is transcribed into DNA, which is then translated into protein.
C)DNA is translated directly into protein.
D)RNA is translated into protein, which is then transcribed into DNA.
E)DNA is transcribed into RNA, which is then translated into protein.
2
True or False: mRNA must be processed in the nucleus prior to transcription of a protein in eukaryotes.
A)True
B)False
3
Which one of the following events is not part of the maturation of a eukaryotic mRNA?
A)Poly-A tail addition
B)5' cap addition
C)Intron removal and splicing of exons
D)Binding of snRNP subunits
E)Attachment to ribosome
4
The relationship between the bases in a messenger RNA molecule and the sequence of amino acids in a polypeptide is specified by
A)a ribosome.
B)the genetic code.
C)the central dogma.
D)RNA polymerases.
E)DNA polymerases.
5
Which of the following molecules is not directly involved in the synthesis of a polypeptide chain?
A)mRNA
B)Ribosomal proteins
C)tRNA
D)rRNA
E)DNA
6
True or False: Ribosomes are composed of protein subunits and ribosomal RNA?
A)True
B)False





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