RNAS-C EXAMS WITH VERIFIED
QUESTIONS AND CORRECT ANSWERS
1. A .*deletion* .mutation .is .shown .in .line .B .of .Figure .13-5.
.- .ANSWERS-False, .duplication
2. A .codon .consists .of .*four* .nucleotides.
.- .ANSWERS-False, .three
3. A .eukaryotic .gene .consists .of .regulatory .regions, .a(an) . ,
.and .the .nucleotide
4. sequence .that .is .transcribed.
.- .ANSWERS-promoter
5. A .mutation .that .involves .one .or .a .few .nucleotides .is .called
a. a .mutagen.
b. an .inversion.
c. a .point .mutation.
d. a .translocation.
.- .ANSWERS-c
6. A .promoter .is .a
a. binding .site .for .DNA .polymerase.
b. binding .site .for .RNA .polymerase.
c. start .signal .for .replication.
d. stop .signal .for .transcription.
.- .ANSWERS-b
7. A .protein .is .being .assembled .when
a. DNA .is .being .translated.
b. RNA .is .being .transcribed.
c. RNA .is .being .translated.
d. DNA .is .being .transcribed.
.- .ANSWERS-c
, 8. A .translocation .mutation .is .seen .in .line .*D* .of .Figure .13-5.
.- .ANSWERS-True
9. According .to .Figure .13-2, .what .codons .specify .the .amino .acid .glycine?
.- .ANSWERS-GGU, .GGC, .GGA, .and .GGG .specify .glycine.
10. According .to .Figure .13-3, .which .code .specifies .the .same .amino .acid .as .UAU?
a. UAC
b. UAA
c. UGC
d. UGU
.- .ANSWERS-a
11. According .to .the .chart .in .Figure .13-3, .the .codes .GGA .and .GGU .both .code .for
*Ala.*
.- .ANSWERS-False, .Gly
12. Contrast .process .A .and .process .B .in .Figure .13-5.
.- .ANSWERS-Process .A .results .in .the .deletion .of .a .segment .of .a .chromosome.
.Process .B .results .in .the .duplication .of .a .segment .of .a .chromosome.
13. Describe .the .functions .of .the .three .kinds .of .RNA .illustrated .in .Figure .13-8.
.- .ANSWERS-Messenger .RNA .provides .the .code .for .the .translation, .ribosomal
.RNA .reads .the .code, .and .a .tRNA .molecule .brings .the .next .amino .acid
.specified .by .the .code.
14. DNA .contains .the .code .for .the .*DNA .polymerase* .enzyme.
.- .ANSWERS-True
15. DNA .molecules .stay .in .the .nucleus; .RNA .molecules .leave .the .nucleus .and
.move .through .the .cytoplasm .to .the .*ribosomes.*
.- .ANSWERS-True
16. During .*DNA .replication,* .only .one .strand .of .DNA .serves .as .a .template.
.- .ANSWERS-False, .RNA .transcription
17. During .eukaryotic .transcription, .an .RNA .molecule .is .formed .that .is
a. complementary .to .both .strands .of .DNA.
b. identical .to .an .entire .single .strand .of .DNA.
c. double-stranded .and .inside .the .nucleus.
d. complementary .to .part .of .one .strand .of .DNA
.- .ANSWERS-d
QUESTIONS AND CORRECT ANSWERS
1. A .*deletion* .mutation .is .shown .in .line .B .of .Figure .13-5.
.- .ANSWERS-False, .duplication
2. A .codon .consists .of .*four* .nucleotides.
.- .ANSWERS-False, .three
3. A .eukaryotic .gene .consists .of .regulatory .regions, .a(an) . ,
.and .the .nucleotide
4. sequence .that .is .transcribed.
.- .ANSWERS-promoter
5. A .mutation .that .involves .one .or .a .few .nucleotides .is .called
a. a .mutagen.
b. an .inversion.
c. a .point .mutation.
d. a .translocation.
.- .ANSWERS-c
6. A .promoter .is .a
a. binding .site .for .DNA .polymerase.
b. binding .site .for .RNA .polymerase.
c. start .signal .for .replication.
d. stop .signal .for .transcription.
.- .ANSWERS-b
7. A .protein .is .being .assembled .when
a. DNA .is .being .translated.
b. RNA .is .being .transcribed.
c. RNA .is .being .translated.
d. DNA .is .being .transcribed.
.- .ANSWERS-c
, 8. A .translocation .mutation .is .seen .in .line .*D* .of .Figure .13-5.
.- .ANSWERS-True
9. According .to .Figure .13-2, .what .codons .specify .the .amino .acid .glycine?
.- .ANSWERS-GGU, .GGC, .GGA, .and .GGG .specify .glycine.
10. According .to .Figure .13-3, .which .code .specifies .the .same .amino .acid .as .UAU?
a. UAC
b. UAA
c. UGC
d. UGU
.- .ANSWERS-a
11. According .to .the .chart .in .Figure .13-3, .the .codes .GGA .and .GGU .both .code .for
*Ala.*
.- .ANSWERS-False, .Gly
12. Contrast .process .A .and .process .B .in .Figure .13-5.
.- .ANSWERS-Process .A .results .in .the .deletion .of .a .segment .of .a .chromosome.
.Process .B .results .in .the .duplication .of .a .segment .of .a .chromosome.
13. Describe .the .functions .of .the .three .kinds .of .RNA .illustrated .in .Figure .13-8.
.- .ANSWERS-Messenger .RNA .provides .the .code .for .the .translation, .ribosomal
.RNA .reads .the .code, .and .a .tRNA .molecule .brings .the .next .amino .acid
.specified .by .the .code.
14. DNA .contains .the .code .for .the .*DNA .polymerase* .enzyme.
.- .ANSWERS-True
15. DNA .molecules .stay .in .the .nucleus; .RNA .molecules .leave .the .nucleus .and
.move .through .the .cytoplasm .to .the .*ribosomes.*
.- .ANSWERS-True
16. During .*DNA .replication,* .only .one .strand .of .DNA .serves .as .a .template.
.- .ANSWERS-False, .RNA .transcription
17. During .eukaryotic .transcription, .an .RNA .molecule .is .formed .that .is
a. complementary .to .both .strands .of .DNA.
b. identical .to .an .entire .single .strand .of .DNA.
c. double-stranded .and .inside .the .nucleus.
d. complementary .to .part .of .one .strand .of .DNA
.- .ANSWERS-d