Question 1

Glycogen is used to store ________ in the ________.

Accepted Answer

A) protein; muscle 
B) protein; liver 
C) nucleic acids; liver 
D) glucose; spleen 
E) glucose; liver 
A) protein; muscle 
B) protein; liver 
C) nucleic acids; liver 
D) glucose; spleen 
E) glucose; liver

Question 2

Which of the following lipids is the primary component in cell membranes?

Accepted Answer

A) triglycerides 
B) steroids 
C) phospholipids 
D) glycerol 
A) triglycerides 
B) steroids 
C) phospholipids 
D) glycerol

Question 3

Match between columns
                        Premises: Found in hair and cartilage
Serve as cell surface receptors
A carbohydrate polymer
Transport fats throughout the body
The primary information-bearing molecule of life

Accepted Answer

The Answer of DNA and glycoproteins and polysaccharide and structural is...

Question 4

Which of the following is true of cellulose?

Accepted Answer

A) Plants store glucose as cellulose. 
B) Animals store glucose as cellulose. 
C) Plants store amino acids as cellulose. 
D) Plants' cell walls are made up of cellulose. 
A) Plants store glucose as cellulose. 
B) Animals store glucose as cellulose. 
C) Plants store amino acids as cellulose. 
D) Plants' cell walls are made up of cellulose.

Question 5

The hydrogenation of vegetable oil results in:

Accepted Answer

A) an increase in the number of double bonds between the carbon atoms. 
B) the oil becoming more liquid at room temperature. 
C) a decrease in the number of double bonds between the carbon atoms. 
D) the conversion of monounsaturated fatty acids into polyunsaturated fatty acids. 
E) a decrease in the number of hydrogen atoms in the oil molecule. 
A) an increase in the number of double bonds between the carbon atoms. 
B) the oil becoming more liquid at room temperature. 
C) a decrease in the number of double bonds between the carbon atoms. 
D) the conversion of monounsaturated fatty acids into polyunsaturated fatty acids. 
E) a decrease in the number of hydrogen atoms in the oil molecule.

Question 6

You notice that water is running off the feathers of a bird in the rain.The reason is probably that the bird has coated the feathers with ________,which keeps the water out of them.

Accepted Answer

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

Question 7

The monomers of polysaccharides are:

Accepted Answer

A) nucleotides. 
B) simple sugars. 
C) amino acids. 
D) fatty acids. 
A) nucleotides. 
B) simple sugars. 
C) amino acids. 
D) fatty acids.

Question 8

Refer to the figure below, and then answer the question that follows.
  
-Phospholipids can be made to mix with water if mixed vigorously enough.Predict what kind of structure would be produced based on the chemical characteristics of phospholipids if they are mixed vigorously with water.If water exists outside a cell and water exists inside a cell,propose a way that phospholipids can be used to create a cell membrane.

Accepted Answer

In order to mix with water,phospholipids

Question 9

ATP (adenosine triphosphate)is an energy-carrying,modified ________.

Accepted Answer

The answer of ATP (adenosine triphosphate)is an energy-carrying,modified ________....

Question 10

Which of the following is true of steroids?

Accepted Answer

A) Steroids exist naturally in humans as hormones. 
B) Some amino acids are steroids. 
C) If people inject male steroid hormones, they can build muscle mass with no side effects. 
D) Steroids contain a central, single-ring carbon structure. 
E) Steroids are polymers. 
A) Steroids exist naturally in humans as hormones. 
B) Some amino acids are steroids. 
C) If people inject male steroid hormones, they can build muscle mass with no side effects. 
D) Steroids contain a central, single-ring carbon structure. 
E) Steroids are polymers.

Question 11

What is a triglyceride?

Accepted Answer

A) a lipid made of one glycerol and two fatty acids 
B) a lipid made of two glycerols, a fatty acid, and a phosphate group 
C) a lipid made of one glycerol and three fatty acids 
D) a carbohydrate made of three sugars 
E) a polypeptide made of three amino acids 
A) a lipid made of one glycerol and two fatty acids 
B) a lipid made of two glycerols, a fatty acid, and a phosphate group 
C) a lipid made of one glycerol and three fatty acids 
D) a carbohydrate made of three sugars 
E) a polypeptide made of three amino acids

Question 12

An example of an important biological molecule that may contain the -NH₂ group is:

Accepted Answer

A) a triglyceride. 
B) a starch. 
C) a glucose molecule. 
D) an enzyme. 
E) steroids. 
A) a triglyceride. 
B) a starch. 
C) a glucose molecule. 
D) an enzyme. 
E) steroids.

Question 13

Carbon is such an important element for life because it:

Accepted Answer

A) forms strong ionic bonds. 
B) can form chemical bonds with a maximum of four other atoms. 
C) can hydrogen bond to many different molecules. 
D) is part of the water molecule. 
E) does not form isomers. 
A) forms strong ionic bonds. 
B) can form chemical bonds with a maximum of four other atoms. 
C) can hydrogen bond to many different molecules. 
D) is part of the water molecule. 
E) does not form isomers.

Question 14

Which of the following is the correct order for the flow of information in the cell?

Accepted Answer

A) Proteins code for DNA, which codes for RNA. 
B) RNA codes for DNA, which codes for protein. 
C) DNA codes for protein, which codes for RNA. 
D) DNA codes for RNA, which codes for protein. 
A) Proteins code for DNA, which codes for RNA. 
B) RNA codes for DNA, which codes for protein. 
C) DNA codes for protein, which codes for RNA. 
D) DNA codes for RNA, which codes for protein.

Question 15

Name the four most important groups of biological molecules necessary for life.List one polymer and one monomer of each.

Accepted Answer

Carbohydrates,lipids,proteins,and nuclei

Question 16

If you boil an egg for lunch,the egg white becomes hard,white,and opaque because the protein molecules have unfolded,causing them to stick together.This is an example of how heat ________ a protein.

Accepted Answer

The answer of If you boil an egg for lunch,the...

Question 17

If you removed the cuticle from the skin of an apple,the:

Accepted Answer

A) apple would absorb moisture and get soggy. 
B) apple would lose water and dehydrate. 
C) seeds of the apple would die. 
D) apple would be inedible. 
A) apple would absorb moisture and get soggy. 
B) apple would lose water and dehydrate. 
C) seeds of the apple would die. 
D) apple would be inedible.

Question 18

Your muscles contract using contractile proteins to produce movement.

Accepted Answer

A) True 
 B)False

Question 19

Butane and isobutane are isomers.This means they have the same:

Accepted Answer

A) arrangement of atoms but a different chemical formula. 
B) number of carbon atoms but different numbers of hydrogen atoms. 
C) chemical formula but a different arrangement of atoms. 
D) chemical formula but can only exist as ring structures. 
A) arrangement of atoms but a different chemical formula. 
B) number of carbon atoms but different numbers of hydrogen atoms. 
C) chemical formula but a different arrangement of atoms. 
D) chemical formula but can only exist as ring structures.

Question 20

Why are proteins,polysaccharides,and nucleic acids considered polymers,but lipids are not?

Accepted Answer

A polymer is made up of many similar or

Exam 3: Lifes Components: Biological Molecules

Glycogen is used to store ________ in the ________.

Which of the following lipids is the primary component in cell membranes?

Which of the following is true of cellulose?

The hydrogenation of vegetable oil results in:

You notice that water is running off the feathers of a bird in the rain.The reason is probably that the bird has coated the feathers with ________,which keeps the water out of them.

The monomers of polysaccharides are:

ATP (adenosine triphosphate)is an energy-carrying,modified ________.

Which of the following is true of steroids?

What is a triglyceride?

An example of an important biological molecule that may contain the -NH₂ group is:

Carbon is such an important element for life because it:

Which of the following is the correct order for the flow of information in the cell?

Name the four most important groups of biological molecules necessary for life.List one polymer and one monomer of each.

If you boil an egg for lunch,the egg white becomes hard,white,and opaque because the protein molecules have unfolded,causing them to stick together.This is an example of how heat ________ a protein.

If you removed the cuticle from the skin of an apple,the:

Your muscles contract using contractile proteins to produce movement.

Butane and isobutane are isomers.This means they have the same:

Why are proteins,polysaccharides,and nucleic acids considered polymers,but lipids are not?

Science As a Way of Learning: a Guide to the Natural World

Fundamental Building Blocks: Chemistry, water, and Ph

Lifes Home: the Cell

Lifes Border: the Plasma Membrane

Lifes Mainspring: an Introduction to Energy

Vital Harvest: Deriving Energy From Food

The Green Worlds Gift: Photosynthesis

The Links in Lifes Chain: Genetics and Cell Division

Preparing for Sexual Reproduction: Meiosis

The First Geneticist: Mendel and His Discoveries

Units of Heredity: Chromosomes and Inheritance

Passing on Lifes Information: Dna Structure and Replication

How Proteins Are Made: Genetic Transcription, translation, and Regulation

The Future Isnt What It Used to Be: Biotechnology

An Introduction to Evolution: Charles Darwin, evolutionary Thought, and the Evidence for Evolution

The Means of Evolution: Microevolution

The Outcomes of Evolution: Macroevolution

A Slow Unfolding: the History of Life on Earth

Arriving Late,traveling Far: the Evolution of Human Beings

Viruses,bacteria,archaea,and Protists: the Diversity of Life 1

Fungi: the Diversity of Life 2

Animals: the Diversity of Life 3

Plants: the Diversity of Life 4

The Angiosperms: Form and Function in Flowering Plants

Body Support and Movement: the Integumentary, skeletal, and Muscular Systems

Communication and Control 1: the Nervous System

Communication and Control 2: the Endocrine System

Defending the Body: the Immune System

Transport and Exchange 1: Blood and Breath

Transport and Exchange 2: Digestion, nutrition, and Elimination

An Amazingly Detailed Script: Animal Development

How the Baby Came to Be: Human Reproduction

An Interactive Living World 1: Populations in Ecology

An Interactive Living World 2: Communities in Ecology

An Interactive Living World 3: Ecosystems and Biomes

Filters

Glycogen is used to store in the .