Activities Quiz
1.

Click on the diagram to start the animation. 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? (Activity 17A)

RNA processing
gene expression
polypeptide formation
transcription
translation


2.

Click on the diagram to start the animation. What name is given to the process in which the information encoded in a strand of mRNA is used to construct a protein? (Activity 17A)

RNA processing
gene expression
polypeptide formation
transcription
translation


3.

Click on the diagram to start the animation. _____ is the process in which pre-mRNA is edited into mRNA. (Activity 17A)

RNA processing
Gene expression
Polypeptide formation
Transcription
Translation


4.

Polypeptides are assembled from _____. (Activity 17A)

hexoses
glycerol
nucleotides
proteins
amino acids


5.

RNA processing converts the RNA transcript into _____. (Activity 17A)

a protein
DNA
a eukaryotic cell
mRNA
a polypeptide


6.

Click on the diagram to start the animation. The gray unit in this animation represents _____. (Activity 17B)

the terminator
DNA
transcription factors
RNA polymerase
the promoter


7.

Click on the diagram to start the animation. The green unit in this animation represents _____. (Activity 17B)

the terminator
DNA
transcription factors
RNA polymerase
the promoter


8.

Click on the diagram to start the animation. The blue unit in this animation represents _____. (Activity 17B)

the terminator
DNA
transcription factors
RNA polymerase
the promoter


9.

Which of these correctly illustrates the pairing of DNA and RNA nucleotides? (Activity 17B)

GTTACG
CAATCG
GTTACG
CAAUGC
GTTACG
GTTACG
GTTACG
ACCGTA
GTTACG
UAACAU


10.

The direction of synthesis of an RNA transcript is _____. (Activity 17B)

1' —> 5'
5' —> 3'
1' —> 3'
3' —> 5'
2' —> 4'


11.

During RNA processing a(n) _____ is added to the 5' end of the RNA. (Activity 17C)

trailer
a long string of adenine nucleotides
leader
coding segment
modified guanine nucleotide


12.

During RNA processing a(n) _____ is added to the 3' end of the RNA. (Activity 17C)

trailer
a long string of adenine nucleotides
leader
coding segment
modified guanine nucleotide


13.

Spliceosomes are composed of _____. (Activity 17C)

snRNPs and other proteins
polymerases and ligases
introns and exons
the RNA transcript and protein
snRNPs and snurps


14.

The RNA segments joined to one another by spliceosomes are _____. (Activity 17C)

caps
exons
snRNPs
tails
introns


15.

Translation occurs in the _____. (Activity 17C)

cytoplasm
lysosome
nucleus
mitochondrion
nucleoplasm


16.

Which of these is a tRNA? (Activity 17D)

question #16

A
B
C
D
E


17.

What enzyme catalyzes the attachment of an amino acid to tRNA? (Activity 17D)

aminoacyl-tRNA synthetase
rubisco
dextrinase
argininosuccinate lyase
nuclease


18.

The tRNA anticodon, GAC, is complementary to the mRNA codon with the sequence _____. (Activity 17D)

CAG
CTG
GAC
CUG
TCG


19.

Click on the diagram to start the animation. What name is given to this process? (Activity 17D)

initiation (of transcription)
RNA processing
initiation (of translation)
elongation
termination (of translation)


20.

The initiator tRNA attaches at the ribosome's _____ site. (Activity 17D)

A
translocation
E
P
Q



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publishing as Benjamin Cummings