What name is given to the process in which a strand of DNA is used as a template for the manufacture of a strand of pre-mRNA? a.RNA processing |
d.transcription |
What name is given to the process in which the information encoded in a strand of mRNA is used to construct a protein? |
e.translation |
What name is given to the process in which pre-mRNA is edited into mRNA? |
a. RNA processing |
Polypeptides are assembled from _____. a.hexoses |
e.amino acids |
RNA processing converts the RNA transcript into _____. a protein |
mRNA |
During RNA processing a(n) _____ is added to the 5′ end of the RNA. |
modified guanine nucleotide |
During RNA processing a(n) _____ is added to the 3′ end of the RNA. |
a long string of adenine nucleotides |
Spliceosomes are composed of snRNPs and other proteins |
snRNPs and other proteins |
The RNA segments joined to one another by spliceosomes are _____. caps |
exons |
Translation occurs in the _____. cytoplasm |
cytoplasm |
The direction of synthesis of an RNA transcript is _____. |
5′ —> 3′ |
Which of these correctly illustrates the pairing of DNA and RNA nucleotides?
GTTACG GTTACG GTTACG GTTACG GTTACG |
GTTACG CAAUGC |
The anticodon of a particular tRNA molecule is
changeable, depending on the amino acid that attaches to the tRNA. |
complementary to the corresponding mRNA codon. |
What is the process called that converts the genetic information stored in DNA to an RNA copy?
Translation |
Transcription |
DNA does not store the information to synthesize which of the following? Proteins |
Organelles |
Transcription begins at a promoter. What is a promoter?
Part of the RNA molecule itself |
A site in DNA that recruits the RNA Polymerase |
Which of the following statements best describes the promoter of a protein-coding gene? The promoter is a site at which only RNA polymerase will bind. |
The promoter is a nontranscribed region of a gene. |
What determines which base is to be added to an RNA strand during transcription? Base pairing between the DNA template strand and the RNA nucleotides |
Base pairing between the DNA template strand and the RNA nucleotides |
Which of the following terms best describes the relationship between the newly synthesized RNA molecule and the DNA template strand? Identical |
Complementary |
What happens to RNA polymerase II after it has completed transcription of a gene?
It begins transcribing the next gene on the chromosome. |
It is free to bind to another promoter and begin transcription. |
Chapter 17 Life 102
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