Question 1

How many nucleotides are required to code for 10 amino acids?

Accepted Answer

A)  3
B)  10
C)  20
D)  30E) A) and D)
F) A) and C)

Question 2

If DNA directs the production of RNA, what does RNA make?

Accepted Answer

A)  RNA makes proteins.
B)  RNA makes more DNA.
C)  RNA makes membranes.
D)  RNA makes more RNA.E) None of the above
F) C) and D)

Question 3

What type of mutation leads to a frameshift in the reading of DNA?

Accepted Answer

A)  All point mutations
B)  Insertions only
C)  Deletions only
D)  Both insertions and deletionsE) A) and B)
F) All of the above

Question 4

What does "transfer RNA" actually transfer?

Accepted Answer

A)  Ribosome
B)  Codons
C)  Amino acids
D)  AnticodonsE) A) and D)
F) None of the above

Question 5

How does chemotherapy kill cancer cells, and why might it also result in hair loss and nausea?

Accepted Answer

Chemotherapy involves the administration...

Question 6

Which of the following is not a modification to the mRNA before leaving the nucleus?

Accepted Answer

A)  Intron removal
B)  Promoter binding
C)  End capping
D)  Exon splicingE) B) and D)
F) A) and B)

Question 7

What does it mean when we say a gene is "turned off"?

Accepted Answer

A)  The gene is no longer working properly.
B)  The gene cannot be transcribed and translated into a protein.
C)  The gene has a mutation.
D)  The gene is now activated.E) B) and C)
F) All of the above

Question 8

DNA profiling relies on an individual's ________, no two of which are the same between different people, except identical twins.

Accepted Answer

A)  unique set of genes
B)  unique mRNA sequences
C)  unique set of short tandem repeats within DNA
D)  unique fingerprintsE) A) and B)
F) A) and C)

Question 9

What separates the strands of DNA in the polymerase chain reaction (PCR)  technique?

Accepted Answer

A)  Restriction enzymes
B)  Helicase
C)  Centrifuge
D)  HeatE) A) and D)
F) C) and D)

Question 10

Explain the basic mechanism CRISPR in DNA manipulation

Accepted Answer

CRISPR allows the nucleotide sequence of...

Question 11

A collection of cloned DNA fragments representing an organism's entire genome is called a ________.

Accepted Answer

A)  transgenic assembly
B)  genomic library
C)  clonal anthology
D)  complementary DNA collectionE) All of the above
F) None of the above

Question 12

Is most of our DNA made up of genes?

Accepted Answer

A)  Yes, the vast majority of human DNA consists of genes.
B)  No, genes make up only 1.5% of our DNA.
C)  No, genes make about 25% of our DNA
D)  No, genes make about 50% of our DNAE) A) and C)
F) A) and D)

Question 13

The spread of cancer cells from their site of origin to sites distant in the body is called ________.

Accepted Answer

A)  metastasis
B)  mitosis
C)  growth
D)  tumorE) B) and C)
F) None of the above

Question 14

How does a cell typically know when to divide?

Accepted Answer

A)  Cells have an internal clock and divide only when they reach a certain age.
B)  Tumor suppressor genes code for growth factor proteins that initiate cell division.
C)  Proto-oncogenes code for growth factor proteins that initiate cell division.
D)  Oncogenes code for growth factor proteins that initiate cell division.E) A) and D)
F) B) and D)

Question 15

What are carcinogens?

Accepted Answer

A)  Physical or chemical factors that can lead to mutations causing cancer
B)  The only source of mutations in cells
C)  Errors during DNA replication
D)  Chemical factors that can treat cancerE) A) and C)
F) B) and C)

Question 16

A codon is ________.

Accepted Answer

A)  three nucleotides of DNA that code for an amino acid
B)  three nucleotides of RNA that code for an amino acid
C)  the section of DNA that codes for a protein
D)  the section of RNA that codes for a proteinE) A) and B)
F) None of the above

Question 17

Restriction enzymes were originally isolated from bacteria, which used them to protect themselves from viruses.How might a restriction enzyme defeat a virus?

Accepted Answer

Viruses infect cells by inserting their ...

Exam 6: DNA: The Molecule of Life

If DNA directs the production of RNA, what does RNA make?

Correct Answer
verified

A codon is ________.

Correct Answer
verified

What does "transfer RNA" actually transfer?

Correct Answer
verified

DNA profiling relies on an individual's ________, no two of which are the same between different people, except identical twins.

Correct Answer
verified

What does it mean when we say a gene is "turned off"?

Correct Answer
verified

Restriction enzymes were originally isolated from bacteria, which used them to protect themselves from viruses.How might a restriction enzyme defeat a virus?

Correct Answer
verified
Viruses infect cells by inserting their ...
View Answer

How does a cell typically know when to divide?

Correct Answer
verified

A collection of cloned DNA fragments representing an organism's entire genome is called a ________.

Correct Answer
verified

The spread of cancer cells from their site of origin to sites distant in the body is called ________.

Correct Answer
verified

Explain the basic mechanism CRISPR in DNA manipulation

Correct Answer
verified
CRISPR allows the nucleotide sequence of...
View Answer

How does chemotherapy kill cancer cells, and why might it also result in hair loss and nausea?

Correct Answer
verified
Chemotherapy involves the administration...
View Answer

What are carcinogens?

Correct Answer
verified

Is most of our DNA made up of genes?

Correct Answer
verified

Which of the following is not a modification to the mRNA before leaving the nucleus?

Correct Answer
verified

What type of mutation leads to a frameshift in the reading of DNA?

Correct Answer
verified

What separates the strands of DNA in the polymerase chain reaction (PCR) technique?

Correct Answer
verified

How many nucleotides are required to code for 10 amino acids?

Correct Answer
verified

Exam 6: DNA: The Molecule of Life

If DNA directs the production of RNA, what does RNA make?

Correct AnswerverifiedShow Answer

A codon is ________.

Correct AnswerverifiedShow Answer

What does "transfer RNA" actually transfer?

Correct AnswerverifiedShow Answer

DNA profiling relies on an individual's ________, no two of which are the same between different people, except identical twins.

Correct AnswerverifiedShow Answer

What does it mean when we say a gene is "turned off"?

Correct AnswerverifiedShow Answer

Restriction enzymes were originally isolated from bacteria, which used them to protect themselves from viruses.How might a restriction enzyme defeat a virus?

Correct AnswerverifiedViruses infect cells by inserting their ...View AnswerShow Answer

How does a cell typically know when to divide?

Correct AnswerverifiedShow Answer

A collection of cloned DNA fragments representing an organism's entire genome is called a ________.

Correct AnswerverifiedShow Answer

The spread of cancer cells from their site of origin to sites distant in the body is called ________.

Correct AnswerverifiedShow Answer

Explain the basic mechanism CRISPR in DNA manipulation

Correct AnswerverifiedCRISPR allows the nucleotide sequence of...View AnswerShow Answer

How does chemotherapy kill cancer cells, and why might it also result in hair loss and nausea?

Correct AnswerverifiedChemotherapy involves the administration...View AnswerShow Answer

What are carcinogens?

Correct AnswerverifiedShow Answer

Is most of our DNA made up of genes?

Correct AnswerverifiedShow Answer

Which of the following is not a modification to the mRNA before leaving the nucleus?

Correct AnswerverifiedShow Answer

What type of mutation leads to a frameshift in the reading of DNA?

Correct AnswerverifiedShow Answer

What separates the strands of DNA in the polymerase chain reaction (PCR) technique?

Correct AnswerverifiedShow Answer

How many nucleotides are required to code for 10 amino acids?

Correct AnswerverifiedShow Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
Viruses infect cells by inserting their ...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
CRISPR allows the nucleotide sequence of...
View Answer

Correct Answer
verified
Chemotherapy involves the administration...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified