Question 1

The two new DNA molecules formed in replication

Accepted Answer

A)  are complementary to the original DNA. 
B)  both contain only two new daughter DNA strands. 
C)  both contain only the parent DNA strands. 
D)  contain one parent and one daughter strand. 
E)  are identical, with one containing both parent strands, and the other containing both daughter strands. 
A)  are complementary to the original DNA. 
B)  both contain only two new daughter DNA strands. 
C)  both contain only the parent DNA strands. 
D)  contain one parent and one daughter strand. 
E)  are identical, with one containing both parent strands, and the other containing both daughter strands.

Question 2

A tRNA is activated when it

Accepted Answer

A)  attaches to mRNA. 
B)  attaches to its specific amino acid. 
C)  attaches to the ribosome. 
D)  leaves the ribosome. 
E)  releases its specific amino acid. 
A)  attaches to mRNA. 
B)  attaches to its specific amino acid. 
C)  attaches to the ribosome. 
D)  leaves the ribosome. 
E)  releases its specific amino acid.

Question 3

If the DNA double helix in humans contains 20% guanine, then the percent cytosine is 30%.

Accepted Answer

A) True 
 B)False

Question 4

The DNA complement of the sequence 5'-G-C-C-A-T-3' is 3'-G-C-C-A-T-5'.

Accepted Answer

A) True 
 B)False

Question 5

A set of directions in the DNA base sequence for the synthesis of a protein is a(n)

Accepted Answer

A)  structural gene. 
B)  promotor. 
C)  operator. 
D)  codon. 
E)  regulatory gene. 
A)  structural gene. 
B)  promotor. 
C)  operator. 
D)  codon. 
E)  regulatory gene.

Question 6

Some sections of a DNA molecule do not code for protein synthesis. These segments are called

Accepted Answer

A)  codons. 
B)  anticodons. 
C)  Okazaki fragments. 
D)  introns. 
E)  exons. 
A)  codons. 
B)  anticodons. 
C)  Okazaki fragments. 
D)  introns. 
E)  exons.

Question 7

When DNA duplicates itself, the correct placement of the nucleotides is accomplished by

Accepted Answer

A)  complementary base pairing. 
B)  polymerase. 
C)  enzyme matching. 
D)  base matching. 
E)  transcription. 
A)  complementary base pairing. 
B)  polymerase. 
C)  enzyme matching. 
D)  base matching. 
E)  transcription.

Question 8

Match the following.
-the nucleic acid that contains the codons for the amino acids of a protein

Accepted Answer

A) rRNA 
B) mRNA 
C) tRNA 
D) DNA 
A) rRNA 
B) mRNA 
C) tRNA 
D) DNA

Question 9

Match the correct term with the statement.
-the portion of a gene that turns the synthesis of a specific mRNA on or off

Accepted Answer

A) operon 
B) operator 
C) promotor 
D) repressor 
A) operon 
B) operator 
C) promotor 
D) repressor

The two new DNA molecules formed in replication

A tRNA is activated when it

If the DNA double helix in humans contains 20% guanine, then the percent cytosine is 30%.

The DNA complement of the sequence 5'-G-C-C-A-T-3' is 3'-G-C-C-A-T-5'.

A set of directions in the DNA base sequence for the synthesis of a protein is a(n)

Some sections of a DNA molecule do not code for protein synthesis. These segments are called

When DNA duplicates itself, the correct placement of the nucleotides is accomplished by

Match the following. -the nucleic acid that contains the codons for the amino acids of a protein

Match the correct term with the statement. -the portion of a gene that turns the synthesis of a specific mRNA on or off

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Introduction to Organic Chemistry: Alkanes

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Exam 21: Nucleic Acids and Protein Synthesis

The two new DNA molecules formed in replication

A tRNA is activated when it

If the DNA double helix in humans contains 20% guanine, then the percent cytosine is 30%.

The DNA complement of the sequence 5'-G-C-C-A-T-3' is 3'-G-C-C-A-T-5'.

A set of directions in the DNA base sequence for the synthesis of a protein is a(n)

Some sections of a DNA molecule do not code for protein synthesis. These segments are called

When DNA duplicates itself, the correct placement of the nucleotides is accomplished by

Match the following. -the nucleic acid that contains the codons for the amino acids of a protein

Match the correct term with the statement. -the portion of a gene that turns the synthesis of a specific mRNA on or off

Chemistry and Measurements

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Compounds and Their Bonds

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters