Question 1

Why is a permanent wave not really permanent?

Accepted Answer

A) The chemicals used to treat the hair break down. 
B) Untreated new hair grows in to replace treated old hair. 
C) Disulfide bonds breaks and re-form every time you wash your hair. 
D) The keratin in the hair is no longer flexible. 
A) The chemicals used to treat the hair break down. 
B) Untreated new hair grows in to replace treated old hair. 
C) Disulfide bonds breaks and re-form every time you wash your hair. 
D) The keratin in the hair is no longer flexible.

Question 2

Two proteins joining together to form a larger protein complex describes a ________.

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 3

The biomolecules that makes chickens have baby chickens and not baby ducks are the ________.

Accepted Answer

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

Question 4

Does a carbohydrate contain water?

Accepted Answer

A) Yes, a carbohydrate is made from water and carbon dioxide, so it must contain water molecules. 
B) No, a chemical product is uniquely different from its chemical reactants. 
C) Only sometimes because water binds to the carbohydrate only under certain conditions. 
D) No, water is not involved with carbohydrates. 
A) Yes, a carbohydrate is made from water and carbon dioxide, so it must contain water molecules. 
B) No, a chemical product is uniquely different from its chemical reactants. 
C) Only sometimes because water binds to the carbohydrate only under certain conditions. 
D) No, water is not involved with carbohydrates.

Question 5

Shown below is the line structure of a sucrose molecule.   Which of the carbohydrates listed would be generated in the cleavage of a sucrose molecule?

Accepted Answer

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

Question 6

The cells of your body are about as small as ________.

Accepted Answer

A) the head of an ant 
B) the point of a sewing needle 
C) a water molecule 
D) the nucleus of an atom 
A) the head of an ant 
B) the point of a sewing needle 
C) a water molecule 
D) the nucleus of an atom

Question 7

Shown below is the line structure of a sucrose molecule.   Which of the carbohydrates listed would be generated in the cleavage of a sucrose molecule?

Accepted Answer

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

Question 8

Metabolism includes ________.

Accepted Answer

A) catabolism 
B) anabolism 
C) cellular respiration 
D) all of the above 
A) catabolism 
B) anabolism 
C) cellular respiration 
D) all of the above

Question 9

What is the cause of secondary structure in a protein?

Accepted Answer

A) short range interactions between neighboring amino acids 
B) covalent bonding between different protein molecules 
C) noncovalent interaction of groups of protein molecules 
D) long distance conformation changes due to a large number of weak interactions 
E) none of the above 
A) short range interactions between neighboring amino acids 
B) covalent bonding between different protein molecules 
C) noncovalent interaction of groups of protein molecules 
D) long distance conformation changes due to a large number of weak interactions 
E) none of the above

Question 10

What is the purpose of the plasma membrane?

Accepted Answer

A) It acts as a boundary, but also lets molecules in and out. 
B) It acts as a cell wall to give the cell structure and support. 
C) It keeps water in the cell to keep it from dehydrating. 
D) It stores the genetic material of the cell. 
E) none of the above 
A) It acts as a boundary, but also lets molecules in and out. 
B) It acts as a cell wall to give the cell structure and support. 
C) It keeps water in the cell to keep it from dehydrating. 
D) It stores the genetic material of the cell. 
E) none of the above

Question 11

Which of the following statements describes a cellular activity that happens during both transcription and translation?

Accepted Answer

A) Nucleotides bind to complimentary bases. 
B) The DNA helix opens up. 
C) Transfer RNA is used to link peptides. 
D) Protein is formed. 
E) none of the above 
A) Nucleotides bind to complimentary bases. 
B) The DNA helix opens up. 
C) Transfer RNA is used to link peptides. 
D) Protein is formed. 
E) none of the above

Question 12

Peanut butter has more protein per gram than a hard-boiled egg, and yet the egg represents a better source of protein. Why?

Accepted Answer

A) The egg doesn't contain as many unhealthy fats. 
B) The egg also provides vitamins that help us absorb the proteins. 
C) The egg proteins have a better balance of the essential amino acids. 
D) Egg proteins tend to be less dense than the proteins found in peanut butter. 
A) The egg doesn't contain as many unhealthy fats. 
B) The egg also provides vitamins that help us absorb the proteins. 
C) The egg proteins have a better balance of the essential amino acids. 
D) Egg proteins tend to be less dense than the proteins found in peanut butter.

Question 13

If you were to compare the synthesis of fats with the synthesis of polymers, which type of polymer would the synthesis be most similar to?

Accepted Answer

A) condensation polymers 
B) addition polymers 
C) low density polyethylene 
D) high density polyethylene 
E) none of the above 
A) condensation polymers 
B) addition polymers 
C) low density polyethylene 
D) high density polyethylene 
E) none of the above

Question 14

There are ________ different types of biomolecules we use for living.

Accepted Answer

A) several billion 
B) several million 
C) a few thousand 
D) only about four 
A) several billion 
B) several million 
C) a few thousand 
D) only about four

Question 15

List codon, gene, nucleic acid, and nucleotide in order of increasing size.

Accepted Answer

A) nucleotide, codon, nucleic acid, gene 
B) gene, nucleic acid, nucleotide, codon 
C) nucleotide, codon, gene, nucleic acid 
D) nucleic acid, nucleotide, codon, gene 
A) nucleotide, codon, nucleic acid, gene 
B) gene, nucleic acid, nucleotide, codon 
C) nucleotide, codon, gene, nucleic acid 
D) nucleic acid, nucleotide, codon, gene

Question 16

The chromosomes contain the hereditary information in the form of ________ and this is the code for building all the molecules in the body.

Accepted Answer

A) DNA 
B) RNA 
C) protein 
D) cytoplasm 
E) none of the above 
A) DNA 
B) RNA 
C) protein 
D) cytoplasm 
E) none of the above

Question 17

How are proteins similar to starch?

Accepted Answer

A) Both are polymers. 
B) Both can be consumed and used as an energy source. 
C) Both are made of glucose monomers. 
D) Both are lipids. 
E) A and B 
A) Both are polymers. 
B) Both can be consumed and used as an energy source. 
C) Both are made of glucose monomers. 
D) Both are lipids. 
E) A and B

Question 18

Because vitamins are so good for us, it is important that we ________.

Accepted Answer

A) take large quantities of them 
B) obtain them only from the foods we eat 
C) be mindful not to take excessive quantities of them 
D) spend lots of money buying mega-vitamin supplements 
A) take large quantities of them 
B) obtain them only from the foods we eat 
C) be mindful not to take excessive quantities of them 
D) spend lots of money buying mega-vitamin supplements

Question 19

A simple carbohydrate is ________.

Accepted Answer

A) either a monosaccharide or a disaccharide 
B) a carbohydrate that can be easily digested 
C) composed of monosaccharides 
D) composed of disaccharides 
E) one that cannot be cleaved into smaller components 
A) either a monosaccharide or a disaccharide 
B) a carbohydrate that can be easily digested 
C) composed of monosaccharides 
D) composed of disaccharides 
E) one that cannot be cleaved into smaller components

Question 20

Which of the above pairs of side chains could be involved in a hydrogen bonding 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

Why is a permanent wave not really permanent?

Two proteins joining together to form a larger protein complex describes a ________.

The biomolecules that makes chickens have baby chickens and not baby ducks are the ________.

Does a carbohydrate contain water?

Shown below is the line structure of a sucrose molecule. Which of the carbohydrates listed would be generated in the cleavage of a sucrose molecule?

The cells of your body are about as small as ________.

Shown below is the line structure of a sucrose molecule. Which of the carbohydrates listed would be generated in the cleavage of a sucrose molecule?

Metabolism includes ________.

What is the cause of secondary structure in a protein?

What is the purpose of the plasma membrane?

Which of the following statements describes a cellular activity that happens during both transcription and translation?

Peanut butter has more protein per gram than a hard-boiled egg, and yet the egg represents a better source of protein. Why?

If you were to compare the synthesis of fats with the synthesis of polymers, which type of polymer would the synthesis be most similar to?

There are ________ different types of biomolecules we use for living.

List codon, gene, nucleic acid, and nucleotide in order of increasing size.

The chromosomes contain the hereditary information in the form of ________ and this is the code for building all the molecules in the body.

How are proteins similar to starch?

Because vitamins are so good for us, it is important that we ________.

A simple carbohydrate is ________.

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

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

Why is a permanent wave not really permanent?

Two proteins joining together to form a larger protein complex describes a ________.

The biomolecules that makes chickens have baby chickens and not baby ducks are the ________.

Does a carbohydrate contain water?

Shown below is the line structure of a sucrose molecule. Which of the carbohydrates listed would be generated in the cleavage of a sucrose molecule?

The cells of your body are about as small as ________.

Shown below is the line structure of a sucrose molecule. Which of the carbohydrates listed would be generated in the cleavage of a sucrose molecule?

Metabolism includes ________.

What is the cause of secondary structure in a protein?

What is the purpose of the plasma membrane?

Which of the following statements describes a cellular activity that happens during both transcription and translation?

Peanut butter has more protein per gram than a hard-boiled egg, and yet the egg represents a better source of protein. Why?

If you were to compare the synthesis of fats with the synthesis of polymers, which type of polymer would the synthesis be most similar to?

There are ________ different types of biomolecules we use for living.

List codon, gene, nucleic acid, and nucleotide in order of increasing size.

The chromosomes contain the hereditary information in the form of ________ and this is the code for building all the molecules in the body.

How are proteins similar to starch?

Because vitamins are so good for us, it is important that we ________.

A simple carbohydrate is ________.

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

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