|
|
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 |
|
|
|
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 |
|
|
|
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 |
|
|
|
Polypeptides are assembled from _____. (Activity 17A)
|
| hexoses |
| glycerol |
| nucleotides |
| proteins |
| amino acids |
|
|
|
RNA processing converts the RNA transcript into _____. (Activity 17A)
|
| a protein |
| DNA |
| a eukaryotic cell |
| mRNA |
| a polypeptide |
|
|
|
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 |
|
|
|
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 |
|
|
|
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 |
|
|
|
Which of these correctly illustrates the pairing of DNA and RNA nucleotides? (Activity 17B)
|
| |
| |
| |
| |
| |
|
|
|
The direction of synthesis of an RNA transcript is _____. (Activity 17B)
|
| 1' —> 5' |
| 5' —> 3' |
| 1' —> 3' |
| 3' —> 5' |
| 2' —> 4' |
|
|
|
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 |
|
|
|
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 |
|
|
|
Spliceosomes are composed of _____. (Activity 17C)
|
| snRNPs and other proteins |
| polymerases and ligases |
| introns and exons |
| the RNA transcript and protein |
| snRNPs and snurps |
|
|
|
The RNA segments joined to one another by spliceosomes are _____. (Activity 17C)
|
| caps |
| exons |
| snRNPs |
| tails |
| introns |
|
|
|
Translation occurs in the _____. (Activity 17C)
|
| cytoplasm |
| lysosome |
| nucleus |
| mitochondrion |
| nucleoplasm |
|
|
|
Which of these is a tRNA? (Activity 17D) 
|
| A |
| B |
| C |
| D |
| E |
|
|
|
What enzyme catalyzes the attachment of an amino acid to tRNA? (Activity 17D)
|
| aminoacyl-tRNA synthetase |
| rubisco |
| dextrinase |
| argininosuccinate lyase |
| nuclease |
|
|
|
The tRNA anticodon, GAC, is complementary to the mRNA codon with the sequence _____. (Activity 17D)
|
| CAG |
| CTG |
| GAC |
| CUG |
| TCG |
|
|
|
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) |
|
|
|
The initiator tRNA attaches at the ribosome's _____ site. (Activity 17D)
|
| A |
| translocation |
| E |
| P |
| Q |