Question 1

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

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

Question 2

The following are basic building blocks of biopolymers. Match the building blocks with the statements below.​
-the hydrophobic component of lipids

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 3

Match the molecules below with their functions​
-main storage carbohydrate in animals

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

Question 4

Nucleotides contain what kind of sugars?​

Accepted Answer

A)  ​three-carbon 
B)  ​four-carbon 
C)  ​five-carbon 
D)  ​six-carbon 
E)  seven-carbon​ 
A)  ​three-carbon 
B)  ​four-carbon 
C)  ​five-carbon 
D)  ​six-carbon 
E)  seven-carbon​

Question 5

Sucrose is composed of____.

Accepted Answer

A)  ​two molecules of fructose 
B)  two molecules of glucose 
C)  a molecule of fructose and a molecule of glucose 
D)  ​a molecule of fructose and a molecule of galactose 
E)  a monosaccharide and a disaccharide 
A)  ​two molecules of fructose 
B)  two molecules of glucose 
C)  a molecule of fructose and a molecule of glucose 
D)  ​a molecule of fructose and a molecule of galactose 
E)  a monosaccharide and a disaccharide

Question 6

What kind of reaction produces small molecules by cleaving large molecules?

Accepted Answer

A)  ​oxidation 
B)  ​reduction 
C)  condensation 
D)  hydrolysis 
E)  decarboxylation 
A)  ​oxidation 
B)  ​reduction 
C)  condensation 
D)  hydrolysis 
E)  decarboxylation

Question 7

Match the molecules below with their functions​
-active role in protein synthesis

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

Question 8

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 that makes lipid 'head's hydrophilic

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 9

Which of the following may characterize monosaccharides?

Accepted Answer

A)  ​An amino group 
B)  Carbon and hydrogen 1:2 ratio 
C)  A backbone of eight carbon atoms 
D)  One carbonyl group 
E)  The presence of glycerol and fatty acids 
A)  ​An amino group 
B)  Carbon and hydrogen 1:2 ratio 
C)  A backbone of eight carbon atoms 
D)  One carbonyl group 
E)  The presence of glycerol and fatty acids

Question 10

Typical fat molecules have ____ fatty acid chain(s).

Accepted Answer

A)  ​one 
B)  two 
C)  three 
D)  four 
E)  five 
A)  ​one 
B)  two 
C)  three 
D)  four 
E)  five

Question 11

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

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 12

In biology, many complementary processes exist. Explain how condensation reactions are complementary to hydrolysis reactions.

Accepted Answer

In condensation reactions, a hydroxyl io

Question 13

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

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 14

Write the empirical formula for a carbohydrate.

Accepted Answer

The answer of Write the empirical formula for a carbohydrate....

Question 15

Figure 3.6B
 
-The figure above illustrates a ____ reaction that produces one ____ and a ____.

Accepted Answer

A)  condensation; hydroxyl; polymer 
B)  condensation; water molecule; polymer 
C)  cleavage; water molecule; monomer 
D)  rearrangement; water molecule; polymer 
E)  rearrangement; hydrogen ion; polymer 
A)  condensation; hydroxyl; polymer 
B)  condensation; water molecule; polymer 
C)  cleavage; water molecule; monomer 
D)  rearrangement; water molecule; polymer 
E)  rearrangement; hydrogen ion; polymer

Question 16

Match the molecules below with their functions​
-precursor for important molecules such as bile salts

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

Question 17

Glucose and fructose ____.

Accepted Answer

A)  ​form rings with the same number of carbon atoms 
B)  have two oxygen atoms as part of their ring structure 
C)  have identical functional groups 
D)  contain the same number of hydrogen atoms and hydroxyl groups 
E)  form the same polysaccharide molecule 
A)  ​form rings with the same number of carbon atoms 
B)  have two oxygen atoms as part of their ring structure 
C)  have identical functional groups 
D)  contain the same number of hydrogen atoms and hydroxyl groups 
E)  form the same polysaccharide molecule

Question 18

The following are basic building blocks of biopolymers. Match the building blocks with the statements below.​
-the monomers of a polypeptide chain

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 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 hydroxyl 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 20

Choose the monomer with its polymer.​

-triglyceride

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

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

The following are basic building blocks of biopolymers. Match the building blocks with the statements below.​ -the hydrophobic component of lipids

Match the molecules below with their functions​ -main storage carbohydrate in animals

Nucleotides contain what kind of sugars?​

Sucrose is composed of____.

What kind of reaction produces small molecules by cleaving large molecules?

Match the molecules below with their functions​ -active role in protein synthesis

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 that makes lipid 'head's hydrophilic

Which of the following may characterize monosaccharides?

Typical fat molecules have ____ fatty acid chain(s).

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

In biology, many complementary processes exist. Explain how condensation reactions are complementary to hydrolysis reactions.

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

Write the empirical formula for a carbohydrate.

Figure 3.6B -The figure above illustrates a ____ reaction that produces one ____ and a ____.

Match the molecules below with their functions​ -precursor for important molecules such as bile salts

Glucose and fructose ____.

The following are basic building blocks of biopolymers. Match the building blocks with the statements below.​ -the monomers of a polypeptide chain

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 hydroxyl group

Choose the monomer with its polymer.​ -triglyceride

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 -main component of cell membranes

The following are basic building blocks of biopolymers. Match the building blocks with the statements below. -the hydrophobic component of lipids

Match the molecules below with their functions -main storage carbohydrate in animals

Nucleotides contain what kind of sugars?

Match the molecules below with their functions -active role in protein synthesis

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 that makes lipid 'head's hydrophilic

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

Figure 3.6B -The figure above illustrates a reaction that produces one and a .

Match the molecules below with their functions -precursor for important molecules such as bile salts

The following are basic building blocks of biopolymers. Match the building blocks with the statements below. -the monomers of a polypeptide chain

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 hydroxyl group

Choose the monomer with its polymer. -triglyceride