Question 1

Most of the RNA polymerase activity in eukaryotic cells occurs in the

Accepted Answer

A) cytoplasm. 
B) mitochondria. 
C) nucleolus. 
D) nucleoplasm. 
A) cytoplasm. 
B) mitochondria. 
C) nucleolus. 
D) nucleoplasm.

Question 2

Pause sites contain more GC base pairs than AT base pairs.

Accepted Answer

A) True 
 B)False

Question 3

Sequences that are removed from the primary RNA transcript in eukaryotes are called ________.

Accepted Answer

A) introns 
B) operons 
C) exons 
D) mRNA 
A) introns 
B) operons 
C) exons 
D) mRNA

Question 4

The transcription of ________ RNA accounts for most of the transcriptional activity of a cell.

Accepted Answer

A) transfer 
B) ribosomal 
C) messenger 
D) heterogeneous nuclear 
A) transfer 
B) ribosomal 
C) messenger 
D) heterogeneous nuclear

Question 5

Operons exist in bacteria but not in eukaryotic cells since several genes are often transcribed from a single bacterial promoter.

Accepted Answer

A) True 
 B)False

Question 6

The sequence CCA must occur ________.

Accepted Answer

A) at the 3' end of both prokaryotic and eukaryotic tRNA 
B) immediately upstream from the TATA box 
C) at the 5' end of an intron 
D) at the origin of replication in E.coli 
A) at the 3' end of both prokaryotic and eukaryotic tRNA 
B) immediately upstream from the TATA box 
C) at the 5' end of an intron 
D) at the origin of replication in E.coli

Question 7

The template strand of DNA is copied by RNA polymerase from

Accepted Answer

A) both 3' → 5' and 5' → 3' ends. 
B) 5-10 nucleotides before the +1 transition site. 
C) 3' → 5' end. 
D) 5' → 3' end. 
A) both 3' → 5' and 5' → 3' ends. 
B) 5-10 nucleotides before the +1 transition site. 
C) 3' → 5' end. 
D) 5' → 3' end.

Question 8

Which of the following is true,concerning rho?

Accepted Answer

A) It is a heptameric protein with potent ATPase activity. 
B) It has an affinity for single-stranded DNA. 
C) It may function as an RNA-DNA helicase. 
D) None of the above 
A) It is a heptameric protein with potent ATPase activity. 
B) It has an affinity for single-stranded DNA. 
C) It may function as an RNA-DNA helicase. 
D) None of the above

Question 9

TATA binding protein is the only transcription factor common among all eukaryotic RNA polymerases.

Accepted Answer

A) True 
 B)False

Question 10

Transcription termination

Accepted Answer

A) occurs at certain DNA sequences where the elongation complex is unstable. 
B) sometimes requires a specific protein,rho,which facilitates disassembly. 
C) often occurs near pause sites. 
D) All of the above. 
A) occurs at certain DNA sequences where the elongation complex is unstable. 
B) sometimes requires a specific protein,rho,which facilitates disassembly. 
C) often occurs near pause sites. 
D) All of the above.

Question 11

RNA polymerase catalyzes DNA-directed RNA synthesis.

Accepted Answer

A) True 
 B)False

Most of the RNA polymerase activity in eukaryotic cells occurs in the

Pause sites contain more GC base pairs than AT base pairs.

Sequences that are removed from the primary RNA transcript in eukaryotes are called ________.

The transcription of ________ RNA accounts for most of the transcriptional activity of a cell.

Operons exist in bacteria but not in eukaryotic cells since several genes are often transcribed from a single bacterial promoter.

The sequence CCA must occur ________.

The template strand of DNA is copied by RNA polymerase from

Which of the following is true,concerning rho?

TATA binding protein is the only transcription factor common among all eukaryotic RNA polymerases.

Transcription termination

RNA polymerase catalyzes DNA-directed RNA synthesis.

Introduction to Biochemistry

Water

Amino Acids and the Primary Structures of Proteins

Proteins: Three-Dimensional Structure and Function

Properties of Enzymes

Mechanisms of Enzymes

Coenzymes and Vitamins

Carbohydrates

Lipids and Membranes

Introduction to Metabolism

Glycolysis

Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism

The Citric Acid Cycle

Electron Transport and Atp Synthesis

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acids

DNA Replication, repair, and Recombination

Protein Synthesis

Filters

Exam 21: Transcription and RNA Processing

Most of the RNA polymerase activity in eukaryotic cells occurs in the

Pause sites contain more GC base pairs than AT base pairs.

Sequences that are removed from the primary RNA transcript in eukaryotes are called ________.

The transcription of ________ RNA accounts for most of the transcriptional activity of a cell.

Operons exist in bacteria but not in eukaryotic cells since several genes are often transcribed from a single bacterial promoter.

The sequence CCA must occur ________.

The template strand of DNA is copied by RNA polymerase from

Which of the following is true,concerning rho?

TATA binding protein is the only transcription factor common among all eukaryotic RNA polymerases.

Transcription termination

RNA polymerase catalyzes DNA-directed RNA synthesis.

Introduction to Biochemistry

Water

Amino Acids and the Primary Structures of Proteins

Proteins: Three-Dimensional Structure and Function

Properties of Enzymes

Mechanisms of Enzymes

Coenzymes and Vitamins

Carbohydrates

Lipids and Membranes

Introduction to Metabolism

Glycolysis

Gluconeogenesis, the Pentose Phosphate Pathway, and Glycogen Metabolism

The Citric Acid Cycle

Electron Transport and Atp Synthesis

Photosynthesis

Lipid Metabolism

Amino Acid Metabolism

Nucleotide Metabolism

Nucleic Acids

DNA Replication, repair, and Recombination

Protein Synthesis

Filters