Question 1

Of the four types of biomolecules, which does not form a polymer?

Accepted Answer

A) carbohydrates 
B) lipids 
C) proteins 
D) nucleic acids 
A) carbohydrates 
B) lipids 
C) proteins 
D) nucleic acids

Question 2

Which of the following is not a saccharide?

Accepted Answer

A) cellulose 
B) carbohydrates 
C) glycogen 
D) starch 
E) All of the above are saccharides. 
A) cellulose 
B) carbohydrates 
C) glycogen 
D) starch 
E) All of the above are saccharides.

Question 3

According to the figure above, which amino acid does the DNA sequence ATG code for?

Accepted Answer

A) tyrosine 
B) lysine 
C) valine 
D) serine 
A) tyrosine 
B) lysine 
C) valine 
D) serine

Question 4

Which of the following statements describes most monosaccharides?

Accepted Answer

A) They are composed of carbon, hydrogen and oxygen with each carbon bound to at least one oxygen. 
B) They are insoluble. 
C) They are considered to be unsaturated compounds. 
D) They are rarely found as monomers in nature. 
E) all of the above 
A) They are composed of carbon, hydrogen and oxygen with each carbon bound to at least one oxygen. 
B) They are insoluble. 
C) They are considered to be unsaturated compounds. 
D) They are rarely found as monomers in nature. 
E) all of the above

Question 5

Besides genetic information, what is the main role of DNA?

Accepted Answer

A) to provide instructions on how to build other biomolecules 
B) to regulate the production of hormones 
C) to convert glycogen into sugars 
D) to construct chromosomes that provide stability to cells and call membranes 
E) none of the above 
A) to provide instructions on how to build other biomolecules 
B) to regulate the production of hormones 
C) to convert glycogen into sugars 
D) to construct chromosomes that provide stability to cells and call membranes 
E) none of the above

Question 6

What is an obvious physical difference between saturated and unsaturated fats?

Accepted Answer

A) Saturated fats are usually solids while unsaturated fats are usually liquids. 
B) Saturated fats are soluble in water while unsaturated are not. 
C) Unsaturated fats are soluble in water while unsaturated fats are not. 
D) Saturated fats burn cleaner than unsaturated fats. 
E) none of the above 
A) Saturated fats are usually solids while unsaturated fats are usually liquids. 
B) Saturated fats are soluble in water while unsaturated are not. 
C) Unsaturated fats are soluble in water while unsaturated fats are not. 
D) Saturated fats burn cleaner than unsaturated fats. 
E) none of the above

Question 7

Cellular respiration produces the same products as ________.

Accepted Answer

A) does catabolism 
B) does anabolism 
C) do nucleic acids 
D) a campfire 
A) does catabolism 
B) does anabolism 
C) do nucleic acids 
D) a campfire

Question 8

You are a beautician about to apply a reducing agent to a customer with fine hair who wants to have his hair curly. Should the reducing agent be regular strength, concentrated, or diluted?

Accepted Answer

A) regular strength 
B) concentrated, because in thin hair each strand is made of fewer cysteine amino acids 
C) dilute, so as not to cause the hair to fall apart completely 
D) concentrated, in order to add more disulfide cross-linking 
A) regular strength 
B) concentrated, because in thin hair each strand is made of fewer cysteine amino acids 
C) dilute, so as not to cause the hair to fall apart completely 
D) concentrated, in order to add more disulfide cross-linking

Question 9

Mammals cannot produce polyunsaturated fatty acids. How is it then that the lard obtained from beef fat contains up to 10 percent polyunsaturated fatty acids?

Accepted Answer

A) Microbes within their gut transformed them into polyunsaturated fatty acids. 
B) These unsaturated are a side effect of growth hormones in their diet. 
C) These polyunsaturated fatty acids came from the cow's vegetarian diet. 
D) These polyunsaturated fatty acids come from the processing of the lard. 
A) Microbes within their gut transformed them into polyunsaturated fatty acids. 
B) These unsaturated are a side effect of growth hormones in their diet. 
C) These polyunsaturated fatty acids came from the cow's vegetarian diet. 
D) These polyunsaturated fatty acids come from the processing of the lard.

Question 10

Which of the following is not a function of fat within the body?

Accepted Answer

A) It acts as a source of glucose. 
B) It acts as an energy reserve. 
C) It acts as insulation. 
D) It acts as a cushion to prevent injury. 
E) All of the above are functions of fat. 
A) It acts as a source of glucose. 
B) It acts as an energy reserve. 
C) It acts as insulation. 
D) It acts as a cushion to prevent injury. 
E) All of the above are functions of fat.

Question 11

Which of the following abbreviations for nitrogenous bases is found in both RNA and DNA?

Accepted Answer

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

Question 12

Proteins are ________ that have some biological function in living systems.

Accepted Answer

A) polypeptides 
B) monomers 
C) starches 
D) hormones 
E) none of the above 
A) polypeptides 
B) monomers 
C) starches 
D) hormones 
E) none of the above

Question 13

Which of the following statements is most accurate?

Accepted Answer

A) You are undergoing continuous chemical change within your body from moment to moment. 
B) You are chemically the same as you were when you were born. 
C) You have the exact same molecules in your body as when you were born. 
D) You have the exact same types of chemicals in your body as when you were younger. 
E) none of the above 
A) You are undergoing continuous chemical change within your body from moment to moment. 
B) You are chemically the same as you were when you were born. 
C) You have the exact same molecules in your body as when you were born. 
D) You have the exact same types of chemicals in your body as when you were younger. 
E) none of the above

Question 14

The cell nucleus contains ________.

Accepted Answer

A) genetic material 
B) the cytoplasm 
C) organelles 
D) plasma 
E) cell walls 
A) genetic material 
B) the cytoplasm 
C) organelles 
D) plasma 
E) cell walls

Question 15

Which of the above pairs of side chains could be involved in a hydrophilic interaction?

Accepted Answer

A) a and b 
B) a and c 
C) b and c 
D) b and d 
E) none of the above 
A) a and b 
B) a and c 
C) b and c 
D) b and d 
E) none of the above

Question 16

The most complicated protein structure is the ________.

Accepted Answer

A) primary structure 
B) secondary structure 
C) tertiary structure 
D) quaternary structure 
A) primary structure 
B) secondary structure 
C) tertiary structure 
D) quaternary structure

Question 17

Which of the following is a lipid?

Accepted Answer

A) saturated fats 
B) unsaturated fats 
C) steroids 
D) hormones 
E) all of the above 
A) saturated fats 
B) unsaturated fats 
C) steroids 
D) hormones 
E) all of the above

Question 18

Why do most steroids have chemical structures very similar to cholesterol?

Accepted Answer

A) Most steroids are synthesized from cholesterol. 
B) Cholesterol is a fat, which is a lipid-like steroids. 
C) Steroids are made from saturated fats and cholesterol is made from unsaturated fats. 
D) Cholesterol is synthesized from saturated fats and steroids are made from unsaturated fats. 
E) none of the above 
A) Most steroids are synthesized from cholesterol. 
B) Cholesterol is a fat, which is a lipid-like steroids. 
C) Steroids are made from saturated fats and cholesterol is made from unsaturated fats. 
D) Cholesterol is synthesized from saturated fats and steroids are made from unsaturated fats. 
E) none of the above

Question 19

The following statement describes what level of structure in a protein? The sequence of amino acids is Asp-Asp-Arg-Asn-Met-Met- etc.

Accepted Answer

A) primary structure 
B) secondary structure 
C) tertiary structure 
D) quaternary structure 
E) none of the above 
A) primary structure 
B) secondary structure 
C) tertiary structure 
D) quaternary structure 
E) none of the above

Question 20

Starch is a polysaccharide that ________.

Accepted Answer

A) is made by plants to store energy 
B) is made by animals to store energy 
C) is an insoluble fiber 
D) aids in the digestion process 
E) none of the above 
A) is made by plants to store energy 
B) is made by animals to store energy 
C) is an insoluble fiber 
D) aids in the digestion process 
E) none of the above

Of the four types of biomolecules, which does not form a polymer?

Which of the following is not a saccharide?

According to the figure above, which amino acid does the DNA sequence ATG code for?

Which of the following statements describes most monosaccharides?

Besides genetic information, what is the main role of DNA?

What is an obvious physical difference between saturated and unsaturated fats?

Cellular respiration produces the same products as ________.

You are a beautician about to apply a reducing agent to a customer with fine hair who wants to have his hair curly. Should the reducing agent be regular strength, concentrated, or diluted?

Mammals cannot produce polyunsaturated fatty acids. How is it then that the lard obtained from beef fat contains up to 10 percent polyunsaturated fatty acids?

Which of the following is not a function of fat within the body?

Which of the following abbreviations for nitrogenous bases is found in both RNA and DNA?

Proteins are ________ that have some biological function in living systems.

Which of the following statements is most accurate?

The cell nucleus contains ________.

Which of the above pairs of side chains could be involved in a hydrophilic interaction?

The most complicated protein structure is the ________.

Which of the following is a lipid?

Why do most steroids have chemical structures very similar to cholesterol?

The following statement describes what level of structure in a protein? The sequence of amino acids is Asp-Asp-Arg-Asn-Met-Met- etc.

Starch is a polysaccharide that ________.

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Organic Compounds

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters

Exam 13: Nutrients of Life

Of the four types of biomolecules, which does not form a polymer?

Which of the following is not a saccharide?

According to the figure above, which amino acid does the DNA sequence ATG code for?

Which of the following statements describes most monosaccharides?

Besides genetic information, what is the main role of DNA?

What is an obvious physical difference between saturated and unsaturated fats?

Cellular respiration produces the same products as ________.

You are a beautician about to apply a reducing agent to a customer with fine hair who wants to have his hair curly. Should the reducing agent be regular strength, concentrated, or diluted?

Mammals cannot produce polyunsaturated fatty acids. How is it then that the lard obtained from beef fat contains up to 10 percent polyunsaturated fatty acids?

Which of the following is not a function of fat within the body?

Which of the following abbreviations for nitrogenous bases is found in both RNA and DNA?

Proteins are ________ that have some biological function in living systems.

Which of the following statements is most accurate?

The cell nucleus contains ________.

Which of the above pairs of side chains could be involved in a hydrophilic interaction?

The most complicated protein structure is the ________.

Which of the following is a lipid?

Why do most steroids have chemical structures very similar to cholesterol?

The following statement describes what level of structure in a protein? The sequence of amino acids is Asp-Asp-Arg-Asn-Met-Met- etc.

Starch is a polysaccharide that ________.

About Science

Particles of Matter

Elements of Chemistry

Subatomic Particles

The Atomic Nucleus

How Atoms Bond

How Molecules Mix

How Water Behaves

How Chemicals React

Acids and Bases in Our Environment

Oxidations and Reductions Charge the World

Organic Compounds

Medicinal Chemistry

Optimizing Food Production

Protection Water and Air Resources

Capturing Energy

Filters