Question 1

Mutations are the result of ________.

Accepted Answer

A) alterations in the phosphate of the DNA backbone 
B) exposure to water in utero 
C) physical trauma in the mother's childhood 
D) alterations in the sugar component of the DNA backbone 
E) alterations in the DNA base sequence 
A) alterations in the phosphate of the DNA backbone 
B) exposure to water in utero 
C) physical trauma in the mother's childhood 
D) alterations in the sugar component of the DNA backbone 
E) alterations in the DNA base sequence

Question 2

A virus that contains RNA as its genetic material is a ________.

Accepted Answer

A) genetically engineered virus 
B) bacteria 
C) recombinant DNA 
D) retrovirus 
E) vaccine 
A) genetically engineered virus 
B) bacteria 
C) recombinant DNA 
D) retrovirus 
E) vaccine

Question 3

A mutation which occurs when one base in a DNA sequence replaces another,is called a ________.

Accepted Answer

A) frameshift mutation 
B) insertion mutation 
C) substitution mutation 
D) translocation mutation 
E) viral mutation 
A) frameshift mutation 
B) insertion mutation 
C) substitution mutation 
D) translocation mutation 
E) viral mutation

Question 4

The stop codon terminates protein synthesis.

Accepted Answer

A) True 
 B)False

Question 5

Uracil is a pyrimidine.

Accepted Answer

A) True 
 B)False

Question 6

The process of translocation involves the synthesis of mRNA.

Accepted Answer

A) True 
 B)False

Question 7

The DNA complement of the sequence -G C C A T- is -G C C A T-.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following cannot be found in a nucleotide of RNA?

Accepted Answer

A) purine 
B) pyrimidine 
C) phosphate 
D) ribose 
E) deoxyribose 
A) purine 
B) pyrimidine 
C) phosphate 
D) ribose 
E) deoxyribose

Question 9

Messenger RNA carries protein synthesis information from the nucleus to the ribosomes.

Accepted Answer

A) True 
 B)False

Question 10

Codons are base pair sequences that ________.

Accepted Answer

A) signal the start of DNA synthesis 
B) signal the end of DNA synthesis 
C) code for amino acids 
D) signal the start of RNA synthesis 
E) code for one or more bases in mRNA 
A) signal the start of DNA synthesis 
B) signal the end of DNA synthesis 
C) code for amino acids 
D) signal the start of RNA synthesis 
E) code for one or more bases in mRNA

Question 11

Which of the following is a section of mRNA produced from the DNA template below? -A T A G C T A-

Accepted Answer

A) -A T A G C T A- 
B) -A U A G C U A- 
C) -U A U C G A U- 
D) -U U U G C U U- 
E) -T A T C G A T- 
A) -A T A G C T A- 
B) -A U A G C U A- 
C) -U A U C G A U- 
D) -U U U G C U U- 
E) -T A T C G A T-

Question 12

The two new DNA molecules formed in replication ________.

Accepted Answer

A) are different from 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 different from 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 13

During protein synthesis,the codon for an amino acid is found on ________.

Accepted Answer

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

Question 14

Nucleotides are linked by phosphodiester bonds.

Accepted Answer

A) True 
 B)False

Question 15

The anticodon of UAG is ________.

Accepted Answer

A) ATC 
B) UAG 
C) AAC 
D) AUC 
E) GAU 
A) ATC 
B) UAG 
C) AAC 
D) AUC 
E) GAU

Question 16

The base sequence of the DNA template strand is -T G C A A C-.What is the corresponding mRNA?

Accepted Answer

A) -T G C A A C- 
B) -A C G U U G- 
C) -A C C U U G- 
D) -U C G T T G- 
E) -U C G T T C- 
A) -T G C A A C- 
B) -A C G U U G- 
C) -A C C U U G- 
D) -U C G T T G- 
E) -U C G T T C-

Question 17

Which one of the following base pairs is found in DNA?

Accepted Answer

A) adenine-thymine 
B) adenine-guanine 
C) cytosine-thymine 
D) adenine-uracil 
E) guanine-uracil 
A) adenine-thymine 
B) adenine-guanine 
C) cytosine-thymine 
D) adenine-uracil 
E) guanine-uracil

Question 18

In the synthesis of mRNA,an adenine in the DNA pairs with ________.

Accepted Answer

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

Question 19

What tripepetide is coded for by the following mRNA sequence? -UUU AGA CCA-

Accepted Answer

A) Phe-Pro-Arg 
B) Pro-Arg-Phe 
C) Phe-Arg-Pro 
D) Leu-Pro-Arg 
E) Phe-Thr-Pro 
A) Phe-Pro-Arg 
B) Pro-Arg-Phe 
C) Phe-Arg-Pro 
D) Leu-Pro-Arg 
E) Phe-Thr-Pro

Question 20

A DNA template having the base sequence -A G A T G A- would produce a mRNA with a base sequence of ________.

Accepted Answer

A) -A G A T G A- 
B) -U C U A C U- 
C) -T C T U C T- 
D) -T C T A C A- 
E) -A C A U C A- 
A) -A G A T G A- 
B) -U C U A C U- 
C) -T C T U C T- 
D) -T C T A C A- 
E) -A C A U C A-

Mutations are the result of ________.

A virus that contains RNA as its genetic material is a ________.

A mutation which occurs when one base in a DNA sequence replaces another,is called a ________.

The stop codon terminates protein synthesis.

Uracil is a pyrimidine.

The process of translocation involves the synthesis of mRNA.

The DNA complement of the sequence -G C C A T- is -G C C A T-.

Which of the following cannot be found in a nucleotide of RNA?

Messenger RNA carries protein synthesis information from the nucleus to the ribosomes.

Codons are base pair sequences that ________.

Which of the following is a section of mRNA produced from the DNA template below? -A T A G C T A-

The two new DNA molecules formed in replication ________.

During protein synthesis,the codon for an amino acid is found on ________.

Nucleotides are linked by phosphodiester bonds.

The anticodon of UAG is ________.

The base sequence of the DNA template strand is -T G C A A C-.What is the corresponding mRNA?

Which one of the following base pairs is found in DNA?

In the synthesis of mRNA,an adenine in the DNA pairs with ________.

What tripepetide is coded for by the following mRNA sequence? -UUU AGA CCA-

A DNA template having the base sequence -A G A T G A- would produce a mRNA with a base sequence of ________.

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Exam 17: Nucleic Acids and Protein Synthesis

Mutations are the result of ________.

A virus that contains RNA as its genetic material is a ________.

A mutation which occurs when one base in a DNA sequence replaces another,is called a ________.

The stop codon terminates protein synthesis.

Uracil is a pyrimidine.

The process of translocation involves the synthesis of mRNA.

The DNA complement of the sequence -G C C A T- is -G C C A T-.

Which of the following cannot be found in a nucleotide of RNA?

Messenger RNA carries protein synthesis information from the nucleus to the ribosomes.

Codons are base pair sequences that ________.

Which of the following is a section of mRNA produced from the DNA template below? -A T A G C T A-

The two new DNA molecules formed in replication ________.

During protein synthesis,the codon for an amino acid is found on ________.

Nucleotides are linked by phosphodiester bonds.

The anticodon of UAG is ________.

The base sequence of the DNA template strand is -T G C A A C-.What is the corresponding mRNA?

Which one of the following base pairs is found in DNA?

In the synthesis of mRNA,an adenine in the DNA pairs with ________.

What tripepetide is coded for by the following mRNA sequence? -UUU AGA CCA-

A DNA template having the base sequence -A G A T G A- would produce a mRNA with a base sequence of ________.

Chemistry in Our Lives

Chemistry and Measurement

Matter and Energy

Atoms and Elements

Nuclear Chemistry

Ionic and Molecular Compounds

Chemical Quantities and Reactions

Gases

Solutions

Acids and Bases and Equilibrium

Introduction to Organic Chemistry: Hydrocarbons

Alcohols, Thiols, Ethers, Aldehydes, and Ketones

Carbohydrates

Carboxylic Acids, Esters, Amines, and Amides

Lipids

Amino Acids, Proteins, and Enzymes

Metabolic Pathways and Energy Production

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