Question 1

Meselson and Stahl (1958)reported experimental results involving nitrogen-labeling relevant to which of the following?

Accepted Answer

A) the helical structure of DNA 
B) the role of RNA in DNA transcription 
C) the basis for DNA fingerprinting 
D) the mechanism of the polymerase chain reaction 
E) the semiconservative mechanism of DNA replication 
A) the helical structure of DNA 
B) the role of RNA in DNA transcription 
C) the basis for DNA fingerprinting 
D) the mechanism of the polymerase chain reaction 
E) the semiconservative mechanism of DNA replication

Question 2

Which type of RNA carries the needed amino acids to the ribosomes for use in protein synthesis?

Accepted Answer

A) transfer RNA 
B) messenger RNA 
C) ribosomal RNA 
D) RNA polymerase 
E) None of the choices are correct. 
A) transfer RNA 
B) messenger RNA 
C) ribosomal RNA 
D) RNA polymerase 
E) None of the choices are correct.

Question 3

Which pyrimidine bases are found in DNA?

Accepted Answer

A) adenine and thymine 
B) thymine and guanine 
C) adenine and guanine 
D) cytosine and thymine 
E) cytosine and adenine 
A) adenine and thymine 
B) thymine and guanine 
C) adenine and guanine 
D) cytosine and thymine 
E) cytosine and adenine

Question 4

The peptidyl tRNA binding site holds a tRNA molecule bonded to the growing peptide chain.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following correctly describes a triplet codon?

Accepted Answer

A) An RNA molecule that contains three ribonucleotides. 
B) A sequence of three amino acids in a protein that signals for transcription. 
C) A sequence of three nucleotides on mRNA that codes for a specific amino acid. 
D) A sequence of three reactions that leads to protein synthesis. 
E) A DNA molecule that contains three genes that each code for a different protein. 
A) An RNA molecule that contains three ribonucleotides. 
B) A sequence of three amino acids in a protein that signals for transcription. 
C) A sequence of three nucleotides on mRNA that codes for a specific amino acid. 
D) A sequence of three reactions that leads to protein synthesis. 
E) A DNA molecule that contains three genes that each code for a different protein.

Meselson and Stahl (1958)reported experimental results involving nitrogen-labeling relevant to which of the following?

Which type of RNA carries the needed amino acids to the ribosomes for use in protein synthesis?

Which pyrimidine bases are found in DNA?

The peptidyl tRNA binding site holds a tRNA molecule bonded to the growing peptide chain.

Which of the following correctly describes a triplet codon?

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters

Exam 20: Introduction to Molecular Genetics

Meselson and Stahl (1958)reported experimental results involving nitrogen-labeling relevant to which of the following?

Which type of RNA carries the needed amino acids to the ribosomes for use in protein synthesis?

Which pyrimidine bases are found in DNA?

The peptidyl tRNA binding site holds a tRNA molecule bonded to the growing peptide chain.

Which of the following correctly describes a triplet codon?

Chemistry - Methods and Measurement

The Structure of the Atom and the Periodic Table

Structure and Properties of Ionic and Covalent Compounds

Calculations, chemical Changes, and the Chemical Equation

States of Matter: Gases, liquids, and Solids

Solutions

Energy,rate and Equilibrium

Acids and Bases

The Nucleus, radioactivity, and Nuclear Medicine

An Introduction to Organic Chemistry

The Unsaturated Hydrocarbons: Alkenes, alkynes, and Aromatics

Alcohols, phenols, thiols, and Ethers

Aldehydes and Ketones

Carboxylic Acids and Carboxylic Acid Derivatives

Amines and Amides

Carbohydrates

Lipids and Their Functions in Biochemical Systems

Protein Structure and Function

Enzymes

Carbohydrate Metabolism

Aerobic Respiration and Energy Production

Fatty Acid Metabolism

Filters