Question 1

-The figure above illustrates a(n) ____.

Accepted Answer

A)  ​guanine nucleotide 
B)  ​cytosine nucleotide 
C)  ​thymine nucleotide 
D)  ​adenine nucleotide 
E)  uracil nucleotide​ 
A)  ​guanine nucleotide 
B)  ​cytosine nucleotide 
C)  ​thymine nucleotide 
D)  ​adenine nucleotide 
E)  uracil nucleotide​ D

Question 2

Match the molecules below with their functions​
-the main component of plant cell walls

Accepted Answer

A) ​glycogen 
B) ​cellulose 
C) ​starch 
D) ​phospholipid 
E) ​wax
F)​steroid
G)​cholesterol
H)​DNA
I)​RNA 
A) ​glycogen 
B) ​cellulose 
C) ​starch 
D) ​phospholipid 
E) ​wax
F)​steroid
G)​cholesterol
H)​DNA
I)​RNA B

Question 3

What kind of bonds link amino acids to form the basic sequence of a protein?​

Accepted Answer

A)  ​disulfide 
B)  ​hydrogen 
C)  ​ionic 
D)  ​peptide 
E)  noncovalent​ 
A)  ​disulfide 
B)  ​hydrogen 
C)  ​ionic 
D)  ​peptide 
E)  noncovalent​ D

Question 4

A helix is one possible ____ structure of ____.

Accepted Answer

A)  ​primary; proteins 
B)  ​primary; carbohydrates 
C)  ​primary; lipids 
D)  ​secondary; proteins 
E)  tertiary; proteins​ 
A)  ​primary; proteins 
B)  ​primary; carbohydrates 
C)  ​primary; lipids 
D)  ​secondary; proteins 
E)  tertiary; proteins​

Question 5

-In the figure above, the honeycomb on which the bee is standing is made up primarily of ____.

Accepted Answer

A)  ​carbohydrates 
B)  ​nucleotides 
C)  ​proteins 
D)  ​lipids 
E)  amino acids​ 
A)  ​carbohydrates 
B)  ​nucleotides 
C)  ​proteins 
D)  ​lipids 
E)  amino acids​

Question 6

The order of amino acids is the ____ structure of proteins.

Accepted Answer

A)  ​primary 
B)  ​secondary 
C)  ​tertiary 
D)  ​quaternary 
E)  stereo​ 
A)  ​primary 
B)  ​secondary 
C)  ​tertiary 
D)  ​quaternary 
E)  stereo​

Question 7

Choose the monomer with its polymer.​

-hemoglobin

Accepted Answer

A) ​glucose 
B) ​nucleotide 
C) ​fatty acid 
D) ​amino acid 
A) ​glucose 
B) ​nucleotide 
C) ​fatty acid 
D) ​amino acid

Question 8

Glycogen is a polysaccharide used for energy storage by ____.

Accepted Answer

A)  ​animals 
B)  plants 
C)  protists 
D)  bacteria 
E)  archaea 
A)  ​animals 
B)  plants 
C)  protists 
D)  bacteria 
E)  archaea

Question 9

-What type of sugar is shown in the figure above?​

Accepted Answer

A)  ​deoxyribose 
B)  ​ribose 
C)  ​phosphate 
D)  ​nitrogenous 
E)  adenine​ 
A)  ​deoxyribose 
B)  ​ribose 
C)  ​phosphate 
D)  ​nitrogenous 
E)  adenine​

Question 10

Choose the one most appropriate item from its description.
-phospholipids

Accepted Answer

A) ​a six-carbon sugar 
B) ​found in DNA and RNA 
C) ​principal components of cell membranes 
D) ​affect metabolic reaction rates 
A) ​a six-carbon sugar 
B) ​found in DNA and RNA 
C) ​principal components of cell membranes 
D) ​affect metabolic reaction rates

Question 11

How are cellulose and starch similar and how do they differ?​

Accepted Answer

Both cellulose and starch are complex ca

Question 12

The following are chemical functional groups that may be part of a biologically active molecule. Answer the question by
matching the items with the most appropriate group. ​
-The carboxyl group

Accepted Answer

A) ​-COOH 
B) ​-CH₃ 
C) ​-NH₂ 
D) ​-OH 
E) ​  
F)​-PO43-
G)​-CHO 
A) ​-COOH 
B) ​-CH₃ 
C) ​-NH₂ 
D) ​-OH 
E) ​  
F)​-PO43-
G)​-CHO

Question 13

Polyunsaturated fats ____.

Accepted Answer

A)  ​have fewer hydrogen atoms than do saturated fats 
B)  ​are more characteristic of animal fats than plant fats 
C)  ​have no double bonds 
D)  ​are solid at room temperature 
E)  are gas at room temperature​ 
A)  ​have fewer hydrogen atoms than do saturated fats 
B)  ​are more characteristic of animal fats than plant fats 
C)  ​have no double bonds 
D)  ​are solid at room temperature 
E)  are gas at room temperature​

Question 14

An -NH₂ group is a(n) ____ group.

Accepted Answer

A)  ​carboxyl 
B)  hydroxyl 
C)  amine 
D)  methyl 
E)  carbonyl 
A)  ​carboxyl 
B)  hydroxyl 
C)  amine 
D)  methyl 
E)  carbonyl

Question 15

Choose the one most appropriate item from its description.
-glucose

Accepted Answer

A) ​a six-carbon sugar 
B) ​found in DNA and RNA 
C) ​principal components of cell membranes 
D) ​affect metabolic reaction rates 
A) ​a six-carbon sugar 
B) ​found in DNA and RNA 
C) ​principal components of cell membranes 
D) ​affect metabolic reaction rates

Question 16

-What type of molecule is shown in the accompanying figure?​

Accepted Answer

A)  ​saturated fatty acid 
B)  ​unsaturated fatty acid 
C)  ​triglyceride 
D)  ​wax 
E)  steroid​ 
A)  ​saturated fatty acid 
B)  ​unsaturated fatty acid 
C)  ​triglyceride 
D)  ​wax 
E)  steroid​

Question 17

The following are basic building blocks of biopolymers. Match the building blocks with the statements below.​
-the basic unit of glycogen

Accepted Answer

A) ​amino acid 
B) ​glucose 
C) ​glycerol 
D) ​fatty acid 
E) ​nucleotide 
A) ​amino acid 
B) ​glucose 
C) ​glycerol 
D) ​fatty acid 
E) ​nucleotide

Question 18

What property of phospholipids allows them to form cell membranes?​

Accepted Answer

Phospholipids have both hydrophilic and

Question 19

The following are chemical functional groups that may be part of a biologically active molecule. Answer the question by
matching the items with the most appropriate group. ​
-The group on the amino-terminal end of proteins

Accepted Answer

A) ​-COOH 
B) ​-CH₃ 
C) ​-NH₂ 
D) ​-OH 
E) ​  
F)​-PO43-
G)​-CHO 
A) ​-COOH 
B) ​-CH₃ 
C) ​-NH₂ 
D) ​-OH 
E) ​  
F)​-PO43-
G)​-CHO

Question 20

Choose the monomer with its polymer.​

-starch

Accepted Answer

A) ​glucose 
B) ​nucleotide 
C) ​fatty acid 
D) ​amino acid 
A) ​glucose 
B) ​nucleotide 
C) ​fatty acid 
D) ​amino acid

Exam 3: Molecules of Life

-The figure above illustrates a(n) ____.

Match the molecules below with their functions​ -the main component of plant cell walls

What kind of bonds link amino acids to form the basic sequence of a protein?​

A helix is one possible ____ structure of ____.

-In the figure above, the honeycomb on which the bee is standing is made up primarily of ____.

The order of amino acids is the ____ structure of proteins.

Choose the monomer with its polymer.​ -hemoglobin

Glycogen is a polysaccharide used for energy storage by ____.

-What type of sugar is shown in the figure above?​

Choose the one most appropriate item from its description. -phospholipids

How are cellulose and starch similar and how do they differ?​

The following are chemical functional groups that may be part of a biologically active molecule. Answer the question by matching the items with the most appropriate group. ​ -The carboxyl group

Polyunsaturated fats ____.

An -NH₂ group is a(n) ____ group.

Choose the one most appropriate item from its description. -glucose

-What type of molecule is shown in the accompanying figure?​

The following are basic building blocks of biopolymers. Match the building blocks with the statements below.​ -the basic unit of glycogen

What property of phospholipids allows them to form cell membranes?​

The following are chemical functional groups that may be part of a biologically active molecule. Answer the question by matching the items with the most appropriate group. ​ -The group on the amino-terminal end of proteins

Choose the monomer with its polymer.​ -starch

Invitation to Biology

Lifes Chemical Basis

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Chromosomes and Human Inheritance

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters

Match the molecules below with their functions -the main component of plant cell walls

What kind of bonds link amino acids to form the basic sequence of a protein?

A helix is one possible structure of .

Choose the monomer with its polymer. -hemoglobin

-What type of sugar is shown in the figure above?

How are cellulose and starch similar and how do they differ?

The following are chemical functional groups that may be part of a biologically active molecule. Answer the question by matching the items with the most appropriate group. -The carboxyl group

-What type of molecule is shown in the accompanying figure?

The following are basic building blocks of biopolymers. Match the building blocks with the statements below. -the basic unit of glycogen

What property of phospholipids allows them to form cell membranes?

The following are chemical functional groups that may be part of a biologically active molecule. Answer the question by matching the items with the most appropriate group. -The group on the amino-terminal end of proteins

Choose the monomer with its polymer. -starch