RNA EXAM QUESTIONS WITH COMPLETE ANSWERS |LATEST UPLOAD
|GRADED A+
RNA contains the sugar
a. ribose.
b. deoxyribose.
c. glucose.
d. lactose. - correct answer-a
Unlike DNA, RNA contains
a. adenine.
b. uracil.
c. phosphate groups.
d. thymine. - correct answer-b
Which of the following are found in both DNA and RNA?
a. ribose, phosphate groups, and adenine
b. deoxyribose, phosphate groups, and guanine
c. phosphate groups, guanine, and cytosine
d. phosphate groups, guanine, and thymine - correct answer-c
Which nucleotide in Figure 13-1 indicates the nucleic acid above is RNA?
a. uracil
b. guanine
c. cytosine
d. adenine - correct answer-a
Which of the following is true?
a. RNA is usually single-stranded.
b. DNA is usually single-stranded.
c. DNA contains uracil.
d. RNA contains thymine. - correct answer-a
Which type of RNA brings the information in the genetic code from the nucleus to other
parts of the cell?
a. rRNA
b. tRNA
c. mRNA
, d. RNA polymerase - correct answer-c
Which of the following is true of transcription?
a. In eukaryotes, transcription takes place in the cytoplasm and requires many enzymes.
b. RNA polymerase recognizes and binds to specific regions of the DNA called introns.
c. RNA editing removes the exons from pre-mRNA, leaving only the introns in the final
molecule.
d. RNA polymerase can make many molecules of RNA from a single DNA sequence. -
correct answer-d
Which of the following statements is true of eukaryotic DNA?
a. A promoter is part of an intron.
b. An intron is part of a promoter.
c. Introns are sequences of DNA.
d. Exons are edited out of pre-mRNA. - correct answer-c
Which molecules are involved in protein synthesis?
a. transfer RNA, introns, and mutagens
b. messenger RNA, introns, and ribosomal RNA
c. ribosomal RNA, transfer RNA, and mutagens
d. messenger RNA, ribosomal RNA, and transfer RNA - correct answer-d
From which molecules are mRNA molecules transcribed?
a. tRNA
b. rRNA
c. DNA
d. proteins - correct answer-c
What is produced during transcription?
a. RNA molecules
b. DNA molecules
c. RNA polymerase
d. proteins - correct answer-a
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.
|GRADED A+
RNA contains the sugar
a. ribose.
b. deoxyribose.
c. glucose.
d. lactose. - correct answer-a
Unlike DNA, RNA contains
a. adenine.
b. uracil.
c. phosphate groups.
d. thymine. - correct answer-b
Which of the following are found in both DNA and RNA?
a. ribose, phosphate groups, and adenine
b. deoxyribose, phosphate groups, and guanine
c. phosphate groups, guanine, and cytosine
d. phosphate groups, guanine, and thymine - correct answer-c
Which nucleotide in Figure 13-1 indicates the nucleic acid above is RNA?
a. uracil
b. guanine
c. cytosine
d. adenine - correct answer-a
Which of the following is true?
a. RNA is usually single-stranded.
b. DNA is usually single-stranded.
c. DNA contains uracil.
d. RNA contains thymine. - correct answer-a
Which type of RNA brings the information in the genetic code from the nucleus to other
parts of the cell?
a. rRNA
b. tRNA
c. mRNA
, d. RNA polymerase - correct answer-c
Which of the following is true of transcription?
a. In eukaryotes, transcription takes place in the cytoplasm and requires many enzymes.
b. RNA polymerase recognizes and binds to specific regions of the DNA called introns.
c. RNA editing removes the exons from pre-mRNA, leaving only the introns in the final
molecule.
d. RNA polymerase can make many molecules of RNA from a single DNA sequence. -
correct answer-d
Which of the following statements is true of eukaryotic DNA?
a. A promoter is part of an intron.
b. An intron is part of a promoter.
c. Introns are sequences of DNA.
d. Exons are edited out of pre-mRNA. - correct answer-c
Which molecules are involved in protein synthesis?
a. transfer RNA, introns, and mutagens
b. messenger RNA, introns, and ribosomal RNA
c. ribosomal RNA, transfer RNA, and mutagens
d. messenger RNA, ribosomal RNA, and transfer RNA - correct answer-d
From which molecules are mRNA molecules transcribed?
a. tRNA
b. rRNA
c. DNA
d. proteins - correct answer-c
What is produced during transcription?
a. RNA molecules
b. DNA molecules
c. RNA polymerase
d. proteins - correct answer-a
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.
