Question 1

Which of the following types of radiation causes mutation?

Accepted Answer

A)  microwaves 
B)  radio waves 
C)  ultraviolet 
D)  all of these 
A)  microwaves 
B)  radio waves 
C)  ultraviolet 
D)  all of these

Question 2

Which of the following occurs in retroviruses?

Accepted Answer

A)  DNA is replicated in the 3' → 5' direction. 
B)  DNA is replicated in the 5' → 3' direction. 
C)  DNA is transcribed to RNA. 
D)  RNA is reverse-transcribed to DNA. 
A)  DNA is replicated in the 3' → 5' direction. 
B)  DNA is replicated in the 5' → 3' direction. 
C)  DNA is transcribed to RNA. 
D)  RNA is reverse-transcribed to DNA.

Question 3

The given block diagram represents the central dogma of molecular biology.   Which of the following correctly assigns a name to the numbered boxes?

Accepted Answer

A)  1 - DNA, 2 - RNA, and 3 - protein 
B)  1 - Protein, 2 - RNA, and 3 - DNA 
C)  1 - RNA, 2 - DNA, and 3 - protein 
D)  1 - DNA, 2 - protein, and 3 - RNA 
A)  1 - DNA, 2 - RNA, and 3 - protein 
B)  1 - Protein, 2 - RNA, and 3 - DNA 
C)  1 - RNA, 2 - DNA, and 3 - protein 
D)  1 - DNA, 2 - protein, and 3 - RNA

Question 4

Which of the following post-transcriptional modifications results in functional mRNA?

Accepted Answer

A)  the addition of introns at the 5' end 
B)  the addition of exons at the 3' end 
C)  the addition of a methylated guanine at the 5' end and a poly-A tail at the 3' end 
D)  the addition of introns at the 3' end and a poly-A tail at the 5' end 
A)  the addition of introns at the 5' end 
B)  the addition of exons at the 3' end 
C)  the addition of a methylated guanine at the 5' end and a poly-A tail at the 3' end 
D)  the addition of introns at the 3' end and a poly-A tail at the 5' end

Question 5

Which of the following is an amyloid disease caused by the incorrect folding of proteins?

Accepted Answer

A)  Alzheimer's disease 
B)  Severe combined immune deficiency 
C)  Cystic fibrosis 
D)  Type 2 diabetes 
A)  Alzheimer's disease 
B)  Severe combined immune deficiency 
C)  Cystic fibrosis 
D)  Type 2 diabetes

Question 6

Which metal is found in most of the transcription factors that have metal-binding fingers?

Accepted Answer

A)  Co 
B)  Cu 
C)  Fe 
D)  Zn 
A)  Co 
B)  Cu 
C)  Fe 
D)  Zn

Question 7

How many general transcription factors remain bound to Pol II during elongation?

Accepted Answer

A)  zero 
B)  one 
C)  two 
D)  three 
A)  zero 
B)  one 
C)  two 
D)  three

Question 8

How many bases in a sequence code for an amino acid?

Accepted Answer

A)  one 
B)  two 
C)  three 
D)  five 
A)  one 
B)  two 
C)  three 
D)  five

Question 9

How many initiation codons are there?

Accepted Answer

A)  1 
B)  3 
C)  4 
D)  20 
A)  1 
B)  3 
C)  4 
D)  20

Which of the following types of radiation causes mutation?

Which of the following occurs in retroviruses?

The given block diagram represents the central dogma of molecular biology. Which of the following correctly assigns a name to the numbered boxes?

Which of the following post-transcriptional modifications results in functional mRNA?

Which of the following is an amyloid disease caused by the incorrect folding of proteins?

Which metal is found in most of the transcription factors that have metal-binding fingers?

How many general transcription factors remain bound to Pol II during elongation?

How many bases in a sequence code for an amino acid?

How many initiation codons are there?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters

Exam 25: Gene Expression and Protein Synthesis

Which of the following types of radiation causes mutation?

Which of the following occurs in retroviruses?

The given block diagram represents the central dogma of molecular biology. Which of the following correctly assigns a name to the numbered boxes?

Which of the following post-transcriptional modifications results in functional mRNA?

Which of the following is an amyloid disease caused by the incorrect folding of proteins?

Which metal is found in most of the transcription factors that have metal-binding fingers?

How many general transcription factors remain bound to Pol II during elongation?

How many bases in a sequence code for an amino acid?

How many initiation codons are there?

Matter, Energy, and Measurement

Atoms

Chemical Bonds

Chemical Reactions

Gases, Liquids, and Solids

Solutions and Colloids

Reaction Rates and Chemical Equilibrium

Acids and Bases

Nuclear Chemistry

Organic Chemistry

Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Ethers, and Thiols

Chirality: the Handedness of Molecules

Amines

Aldehydes and Ketones

Carboxylic Acids

Carboxylic Anhydrides, Esters, and Amides

Carbohydrates

Lipids

Proteins

Enzymes

Chemical Communications: Neurotransmitters and Hormones

Nucleotides, Nucleic Acids, and Heredity

Bioenergetics: How the Body Converts Food to Energy

Specific Catabolic Pathways: Carbohydrate, Lipid, and Protein Metabolism

Biosynthetic Pathways

Nutrition

Immunochemistry

Body Fluids

Filters