Question 1

Once transcribed, eukaryotic mRNA typically undergoes substantial alteration that includes

Accepted Answer

A)  union with ribosomes.
B)  fusion into circular forms known as plasmids.
C)  linkage to histone molecules.
D)  excision of introns.
E)  fusion with other newly transcribed mRNA.

Question 2

In the structural organization of many eukaryotic genes, individual exons may be related to which of the following?

Accepted Answer

A)  the sequence of the intron that immediately precedes each exon
B)  the number of polypeptides making up the functional protein
C)  the various domains of the polypeptide product
D)  the number of restriction enzyme cutting sites
E)  the number of start sites for transcription

Question 3

The following questions refer to Figure 17.2, a table of codons.

-What is the sequence of a peptide based on the following mRNA sequence?
5' )  . . UUUUCUUAUUGUCUU 3'

Accepted Answer

A)  leu-cys-tyr-ser-phe
B)  cyc-phe-tyr-cys-leu
C)  phe-leu-ile-met-val
D)  leu-pro-asp-lys-gly
E)  phe-ser-tyr-cys-leu

Question 4

Use the following information to answer the following questions.
A transfer RNA (#1)  attached to the amino acid lysine enters the ribosome. The lysine binds to the growing polypeptide on the other tRNA (#2)  in the ribosome already.
-Which enzyme causes a covalent bond to attach lysine to the polypeptide?

Accepted Answer

A)  ATPase
B)  lysine synthetase
C)  RNA polymerase
D)  ligase
E)  peptidyl transferase

Exam 17: From Gene to Protein

In the structural organization of many eukaryotic genes, individual exons may be related to which of the following?

Correct Answer
verified

The following questions refer to Figure 17.2, a table of codons. -What is the sequence of a peptide based on the following mRNA sequence? 5' ) . . UUUUCUUAUUGUCUU 3'

Correct Answer
verified

Once transcribed, eukaryotic mRNA typically undergoes substantial alteration that includes

Correct Answer
verified

Correct Answer
verified

Exam 17: From Gene to Protein

In the structural organization of many eukaryotic genes, individual exons may be related to which of the following?

Correct AnswerverifiedShow Answer

The following questions refer to Figure 17.2, a table of codons. -What is the sequence of a peptide based on the following mRNA sequence? 5' ) . . UUUUCUUAUUGUCUU 3'

Correct AnswerverifiedShow Answer

Once transcribed, eukaryotic mRNA typically undergoes substantial alteration that includes

Correct AnswerverifiedShow Answer

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified