Question 1

What is the term for a lipid composed of glycerol,two fatty acids,and phosphoric acid?

Accepted Answer

A)  phospholipid
B)  steroid
C)  triglyceride
D)  wax
E)  none of the aboveF) B) and E)
G) B) and C)

Question 2

What type of biological compound is characterized by having a base attached to a sugar molecule?

Accepted Answer

A)  amino acid
B)  sugar
C)  fatty acid
D)  nucleic acid
E)  none of the aboveF) A) and C)
G) B) and D)

Question 3

Which of the following types of linkage is found in a carbohydrate?

Accepted Answer

A)  peptide linkage
B)  glycoside linkage
C)  ester linkage
D)  phosphate linkage
E)  none of the aboveF) A) and B)
G) A) and C)

Question 4

Vitamin supplements may be prescribed for which of the following?

Accepted Answer

A)  infectious disease
B)  exposure to pollution
C)  pregnancy
D)  stress
E)  all of the aboveF) A) and E)
G) B) and E)

Question 5

Which of the following terminates a growing protein chain?

Accepted Answer

A)  end codon
B)  halt codon
C)  stop codon
D)  terminal codon
E)  none of the aboveF) B) and D)
G) D) and E)

Question 6

What is the term for a location on an enzyme that matches the shape of the substrate molecule?

Accepted Answer

A)  active site
B)  catalyst
C)  functional group
D)  inhibitor
E)  none of the aboveF) D) and E)
G) A) and B)

Question 7

What is the term for a theory that explains enzyme catalysis?

Accepted Answer

A)  denaturation model
B)  enzyme model
C)  lock-and-key model
D)  molecular model
E)  none of the aboveF) C) and D)
G) D) and E)

Question 8

What is the term for a carbohydrate composed of a simple sugar molecule?

Accepted Answer

A)  dipeptide
B)  disaccharide
C)  monopeptide
D)  monosaccharide
E)  none of the aboveF) C) and D)
G) All of the above

Question 9

During DNA replication,a thymine base on the template strand will code for which base on the complementary strand?

Accepted Answer

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

Question 10

How many fatty acids are in a triglyceride (triacylglycerol) molecule?

Accepted Answer

A)  0
B)  2
C)  3
D)  4
E)  none of the aboveF) All of the above
G) B) and E)

Question 11

A deficiency of which vitamin can cause scurvy,which is characterized by loose teeth and bleeding gums?

Accepted Answer

A)  vitamin A
B)  vitamin B1
C)  vitamin C
D)  vitamin D
E)  vitamin EF) A) and D)
G) B) and E)

Question 12

What is the repeating monosaccharide in cellulose?

Accepted Answer

A)  fructose
B)  galactose
C)  glucose
D)  ribose
E)  none of the aboveF) B) and D)
G) B) and C)

Question 13

What is the term for a protein that catalyzes a biochemical reaction?

Accepted Answer

A)  carbohydrate
B)  enzyme
C)  lipid
D)  nucleic acid
E)  none of the aboveF) A) and B)
G) A) and D)

Question 14

Which vitamin may be prescribed for coronary artery disease?

Accepted Answer

A)  vitamin A
B)  vitamin C
C)  vitamin D
D)  vitamin E
E)  none of the aboveF) C) and E)
G) B) and D)

Question 15

How many possible trinucleotides are there that contain all three of the following bases: adenine (A) ,cytosine (C) ,guanine (G) ?

Accepted Answer

A)  1
B)  3
C)  6
D)  9
E)  more than 10F) All of the above
G) A) and C)

Question 16

A deficiency of which vitamin can cause night blindness?

Accepted Answer

A)  vitamin A
B)  vitamin B2
C)  vitamin C
D)  vitamin D
E)  vitamin EF) D) and E)
G) B) and C)

Question 17

How many strands of nucleotides compose a molecule of RNA?

Accepted Answer

A)  1
B)  2
C)  100s
D)  1000s
E)  none of the aboveF) C) and D)
G) B) and C)

Question 18

What is the overall shape of a protein that forms muscle tissue?

Accepted Answer

A)  compact and folded
B)  long and extended
C)  random shape
D)  all of the above
E)  none of the aboveF) None of the above
G) A) and D)

Question 19

If the proline codon is CCX (X is any base) ,what is the number of RNA codons that code for the amino acid proline?

Accepted Answer

A)  1
B)  3
C)  4
D)  64
E)  none of the aboveF) A) and B)
G) B) and E)

Question 20

Which type of biological compound is a steroid hormone,such as testosterone and progesterone?

Accepted Answer

A)  protein
B)  carbohydrate
C)  lipid
D)  nucleic acid
E)  none of the aboveF) All of the above
G) A) and B)

Exam 20: Biochemistry

During DNA replication,a thymine base on the template strand will code for which base on the complementary strand?

Correct AnswerverifiedShow Answer

If the proline codon is CCX (X is any base) ,what is the number of RNA codons that code for the amino acid proline?

Correct AnswerverifiedShow Answer

What is the term for a lipid composed of glycerol,two fatty acids,and phosphoric acid?

Correct AnswerverifiedShow Answer

How many fatty acids are in a triglyceride (triacylglycerol) molecule?

Correct AnswerverifiedShow Answer

What is the repeating monosaccharide in cellulose?

Correct AnswerverifiedShow Answer

How many strands of nucleotides compose a molecule of RNA?

Correct AnswerverifiedShow Answer

How many possible trinucleotides are there that contain all three of the following bases: adenine (A) ,cytosine (C) ,guanine (G) ?

Correct AnswerverifiedShow Answer

Vitamin supplements may be prescribed for which of the following?

Correct AnswerverifiedShow Answer

What is the term for a location on an enzyme that matches the shape of the substrate molecule?

Correct AnswerverifiedShow Answer

A deficiency of which vitamin can cause scurvy,which is characterized by loose teeth and bleeding gums?

Correct AnswerverifiedShow Answer

Which type of biological compound is a steroid hormone,such as testosterone and progesterone?

Correct AnswerverifiedShow Answer

Which of the following types of linkage is found in a carbohydrate?

Correct AnswerverifiedShow Answer

What is the overall shape of a protein that forms muscle tissue?

Correct AnswerverifiedShow Answer

What is the term for a theory that explains enzyme catalysis?

Correct AnswerverifiedShow Answer

What is the term for a carbohydrate composed of a simple sugar molecule?

Correct AnswerverifiedShow Answer

What is the term for a protein that catalyzes a biochemical reaction?

Correct AnswerverifiedShow Answer

Which vitamin may be prescribed for coronary artery disease?

Correct AnswerverifiedShow Answer

Which of the following terminates a growing protein chain?

Correct AnswerverifiedShow Answer

A deficiency of which vitamin can cause night blindness?

Correct AnswerverifiedShow Answer

What type of biological compound is characterized by having a base attached to a sugar molecule?

Correct AnswerverifiedShow Answer

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