Question 1

In eukaryotes, but not in prokaryotes, ribosomes find the start site of translation by

Accepted Answer

A) binding directly to a ribosome-binding site preceding the initiation codon. 
B) scanning along the mRNA from the 5′ end. 
C) recognizing an AUG codon as the start of translation. 
D) binding an initiator tRNA. 
A) binding directly to a ribosome-binding site preceding the initiation codon. 
B) scanning along the mRNA from the 5′ end. 
C) recognizing an AUG codon as the start of translation. 
D) binding an initiator tRNA.

Question 2

Which of the following does not occur before a eukaryotic mRNA is exported from the nucleus?

Accepted Answer

A) The ribosome binds to the mRNA. 
B) The mRNA is polyadenylated at its 3′ end. 
C) A guanine nucleotide with a methyl group is added to the 5′ end of the mRNA. 
D) RNA polymerase dissociates. 
A) The ribosome binds to the mRNA. 
B) The mRNA is polyadenylated at its 3′ end. 
C) A guanine nucleotide with a methyl group is added to the 5′ end of the mRNA. 
D) RNA polymerase dissociates.

In eukaryotes, but not in prokaryotes, ribosomes find the start site of translation by

Which of the following does not occur before a eukaryotic mRNA is exported from the nucleus?

Cells: The Fundamental Units of Life

Chemical Components of Cells

Energy, Catalysis, and Biosynthesis

Protein Structure and Function

DNA and Chromosomes

DNA Replication and Repair

Control of Gene Expression

How Genes and Genomes Evolve

Analyzing the Structure and Function of Genes

Membrane Structure

Transport Across Cell Membranes

How Cells Obtain Energy From Food

Energy Generation in Mitochondria and Chloroplasts

Intracellular Compartments and Protein Transport

Cell Signaling

Cytoskeleton

The Cell-Division Cycle

Sexual Reproduction and the Power of Genetics

Cell Communities: Tissues, Stem Cells, and Cancer

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Exam 7: From DNA to Protein

In eukaryotes, but not in prokaryotes, ribosomes find the start site of translation by

Which of the following does not occur before a eukaryotic mRNA is exported from the nucleus?

Cells: The Fundamental Units of Life

Chemical Components of Cells

Energy, Catalysis, and Biosynthesis

Protein Structure and Function

DNA and Chromosomes

DNA Replication and Repair

Control of Gene Expression

How Genes and Genomes Evolve

Analyzing the Structure and Function of Genes

Membrane Structure

Transport Across Cell Membranes

How Cells Obtain Energy From Food

Energy Generation in Mitochondria and Chloroplasts

Intracellular Compartments and Protein Transport

Cell Signaling

Cytoskeleton

The Cell-Division Cycle

Sexual Reproduction and the Power of Genetics

Cell Communities: Tissues, Stem Cells, and Cancer

Filters