Question 1

Which of these substances is classified as a saturated triglyceride?

Accepted Answer

A)  Glucose 
B)  Fat 
C)  Water 
D)  Cellulose 
E)  Starch 
A)  Glucose 
B)  Fat 
C)  Water 
D)  Cellulose 
E)  Starch

Question 2

The portion of the DNA that specifies the sequence of a particular protein is known as a(n) _____.

Accepted Answer

A)  chromosome 
B)  codon 
C)  nucleotide 
D)  mRNA 
E)  gene 
A)  chromosome 
B)  codon 
C)  nucleotide 
D)  mRNA 
E)  gene

Question 3

Which of these techniques is used to separate DNA fragments in recombinant DNA experiments?

Accepted Answer

A)  Hydrophilic precipitation 
B)  Ionic chromatography 
C)  Gel electrophoresis 
D)  Selective filtration 
E)  Enzyme cleavage 
A)  Hydrophilic precipitation 
B)  Ionic chromatography 
C)  Gel electrophoresis 
D)  Selective filtration 
E)  Enzyme cleavage

Question 4

How many different amino acids are there in humans?

Accepted Answer

A)  18 
B)  19 
C)  20 
D)  21 
E)  22 
A)  18 
B)  19 
C)  20 
D)  21 
E)  22

Question 5

Which of these saturated fatty acids can only be extracted   from peanuts?

Accepted Answer

A)  Myristic acid 
B)  Palmitic acid 
C)  Arachidic acid 
D)  Stearic acid 
E)  Linoleic acid 
A)  Myristic acid 
B)  Palmitic acid 
C)  Arachidic acid 
D)  Stearic acid 
E)  Linoleic acid

Question 6

Which of these fatty acids is commonly found in seafood?

Accepted Answer

A)  Linoleic  acid 
B)  Stearic  acid 
C)  Palmitic  acid 
D)  Eicosapentaenoic  acid 
E)   Oleic  acid 
A)  Linoleic  acid 
B)  Stearic  acid 
C)  Palmitic  acid 
D)  Eicosapentaenoic  acid 
E)   Oleic  acid

Question 7

Which of these proteins acts as an enzyme?

Accepted Answer

A)  Hemoglobin 
B)  Insulin 
C)  Keratin 
D)  Lysozyme 
E)  Actin 
A)  Hemoglobin 
B)  Insulin 
C)  Keratin 
D)  Lysozyme 
E)  Actin

Question 8

Which of these represents the general formula for a fatty acid?

Accepted Answer

A)  RCO 
B)    
C)    
D)    
E)    
A)  RCO 
B)    
C)    
D)    
E)

Question 9

Which of these determines the quaternary structure of a protein?

Accepted Answer

A)  Sequence of amino acids 
B)  Ratio of the number of acidic amino acids to the number of basic amino acids 
C)  Number of alpha helices and pleated sheets along the axis of the protein 
D)  Arrangement of subunits of amino acids that are held together by attractions between the chains 
E)  Arrangement of pleated sheets in the protein 
A)  Sequence of amino acids 
B)  Ratio of the number of acidic amino acids to the number of basic amino acids 
C)  Number of alpha helices and pleated sheets along the axis of the protein 
D)  Arrangement of subunits of amino acids that are held together by attractions between the chains 
E)  Arrangement of pleated sheets in the protein

Question 10

Which of these proteins composes hair and wool?

Accepted Answer

A)  Hemoglobin 
B)  α-keratin 
C)  Lysozyme 
D)  Insulin 
E)  None of these 
A)  Hemoglobin 
B)  α-keratin 
C)  Lysozyme 
D)  Insulin 
E)  None of these

Question 11

Which of these determines the tertiary structure of a protein?

Accepted Answer

A)  Sequence of amino acids 
B)  Ratio of the number of acidic amino acids to the number of basic amino acids 
C)  Number of alpha helices and pleated sheets along the axis of the protein 
D)  Number of carbon bonds in the chain of amino acids 
E)  Interactions between amino acids separated by significant distances on the protein chain 
A)  Sequence of amino acids 
B)  Ratio of the number of acidic amino acids to the number of basic amino acids 
C)  Number of alpha helices and pleated sheets along the axis of the protein 
D)  Number of carbon bonds in the chain of amino acids 
E)  Interactions between amino acids separated by significant distances on the protein chain

Question 12

Which of these is not a base found in DNA?

Accepted Answer

A)  Adenine 
B)  Guanine 
C)  Cytosine 
D)  Tyrosine 
E)  Thymine 
A)  Adenine 
B)  Guanine 
C)  Cytosine 
D)  Tyrosine 
E)  Thymine

Question 13

Arrange these steps associated with protein synthesis in the correct order. ​
I. Protein detaches from the ribosome.
II. DNA unwinds to expose the sequence.
III. mRNA transfers the code to the ribosome.
IV. tRNA fits the correct amino acid sequence together

Accepted Answer

A)  I, II, III, IV 
B)  II, III, IV, I 
C)  II, IV, III, I 
D)  II, I, III, IV 
E)  III, IV, II, I 
A)  I, II, III, IV 
B)  II, III, IV, I 
C)  II, IV, III, I 
D)  II, I, III, IV 
E)  III, IV, II, I

Question 14

Which of these is not an amino acid?

Accepted Answer

A)  Valine 
B)  Aspartic acid 
C)  Histidine 
D)  Oleic acid 
E)  Serine 
A)  Valine 
B)  Aspartic acid 
C)  Histidine 
D)  Oleic acid 
E)  Serine

Question 15

Which of these molecules link together to form proteins?

Accepted Answer

A)  Vitamins 
B)  Amino acids 
C)  Monosaccharides 
D)  Fatty acids 
E)  Triglycerides 
A)  Vitamins 
B)  Amino acids 
C)  Monosaccharides 
D)  Fatty acids 
E)  Triglycerides

Question 16

Compared with a saturated fat with the same number of carbon atoms, a polyunsaturated fat will contain:

Accepted Answer

A)  at least four more hydrogen atoms. 
B)  four more hydrogen atoms. 
C)  two fewer hydrogen atoms. 
D)  four fewer hydrogen atoms. 
E)  at least four fewer hydrogen atoms. 
A)  at least four more hydrogen atoms. 
B)  four more hydrogen atoms. 
C)  two fewer hydrogen atoms. 
D)  four fewer hydrogen atoms. 
E)  at least four fewer hydrogen atoms.

Question 17

Which of these molecules are the primary means for short-term energy storage?

Accepted Answer

A)  Lipids 
B)  Nucleic acids 
C)  Carbohydrates 
D)  Proteins 
E)  Plasma 
A)  Lipids 
B)  Nucleic acids 
C)  Carbohydrates 
D)  Proteins 
E)  Plasma

Question 18

Which of these proteins acts as an oxygen carrier?

Accepted Answer

A)  Hemoglobin 
B)  Lysozyme 
C)  Keratin 
D)  Insulin 
E)  None of these 
A)  Hemoglobin 
B)  Lysozyme 
C)  Keratin 
D)  Insulin 
E)  None of these

Question 19

Which of these is a carbohydrate?

Accepted Answer

A)  Cellulose 
B)  Glucose 
C)  Fructose 
D)  Lactose 
E)  All of these 
A)  Cellulose 
B)  Glucose 
C)  Fructose 
D)  Lactose 
E)  All of these

Question 20

_____ are substances that regulate metabolic processes within the body.

Accepted Answer

A)  Hormones 
B)  Enzymes 
C)  Fats 
D)  Lipids 
E)  Amines 
A)  Hormones 
B)  Enzymes 
C)  Fats 
D)  Lipids 
E)  Amines

Which of these substances is classified as a saturated triglyceride?

The portion of the DNA that specifies the sequence of a particular protein is known as a(n) _____.

Which of these techniques is used to separate DNA fragments in recombinant DNA experiments?

How many different amino acids are there in humans?

Which of these saturated fatty acids can only be extracted from peanuts?

Which of these fatty acids is commonly found in seafood?

Which of these proteins acts as an enzyme?

Which of these represents the general formula for a fatty acid?

Which of these determines the quaternary structure of a protein?

Which of these proteins composes hair and wool?

Which of these determines the tertiary structure of a protein?

Which of these is not a base found in DNA?

Arrange these steps associated with protein synthesis in the correct order. I. Protein detaches from the ribosome. II. DNA unwinds to expose the sequence. III. mRNA transfers the code to the ribosome. IV. tRNA fits the correct amino acid sequence together

Which of these is not an amino acid?

Which of these molecules link together to form proteins?

Compared with a saturated fat with the same number of carbon atoms, a polyunsaturated fat will contain:

Which of these molecules are the primary means for short-term energy storage?

Which of these proteins acts as an oxygen carrier?

Which of these is a carbohydrate?

_____ are substances that regulate metabolic processes within the body.

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology Online Only

Filters

Exam 16: Biochemistry and Biotechnology

Which of these substances is classified as a saturated triglyceride?

The portion of the DNA that specifies the sequence of a particular protein is known as a(n) _____.

Which of these techniques is used to separate DNA fragments in recombinant DNA experiments?

How many different amino acids are there in humans?

Which of these saturated fatty acids can only be extracted from peanuts?

Which of these fatty acids is commonly found in seafood?

Which of these proteins acts as an enzyme?

Which of these represents the general formula for a fatty acid?

Which of these determines the quaternary structure of a protein?

Which of these proteins composes hair and wool?

Which of these determines the tertiary structure of a protein?

Which of these is not a base found in DNA?

Arrange these steps associated with protein synthesis in the correct order. ​ I. Protein detaches from the ribosome. II. DNA unwinds to expose the sequence. III. mRNA transfers the code to the ribosome. IV. tRNA fits the correct amino acid sequence together

Which of these is not an amino acid?

Which of these molecules link together to form proteins?

Compared with a saturated fat with the same number of carbon atoms, a polyunsaturated fat will contain:

Which of these molecules are the primary means for short-term energy storage?

Which of these proteins acts as an oxygen carrier?

Which of these is a carbohydrate?

_____ are substances that regulate metabolic processes within the body.

Molecular Reasons

The Chemists Toolbox

Atoms and Elements

Molecules, Compounds, and Chemical Reactions

Chemical Bonding

Organic Chemistry

Light and Color

Nuclear Chemistry

Energy for Today

Energy for Tomorrow: Solar and Other Renewable Energy Sources

The Air Around Us

The Liquids and Solids Around Us: Especially Water

Acids and Bases: the Molecules Responsible for Sour and Bitter

Oxidation and Reduction

The Chemistry of Household Products

Drugs and Medicine: Healing, Helping, and Hurting

The Chemistry of Food

Nanotechnology Online Only

Filters

Arrange these steps associated with protein synthesis in the correct order. I. Protein detaches from the ribosome. II. DNA unwinds to expose the sequence. III. mRNA transfers the code to the ribosome. IV. tRNA fits the correct amino acid sequence together