Question 1

Photosynthesis and cellular respiration together form___________.

Accepted Answer

A)  metabolism 
B)  catabolism and anabolism 
C)  energy and matter 
D)  a biochemical pathway 
E)  the carbon cycle 
A)  metabolism 
B)  catabolism and anabolism 
C)  energy and matter 
D)  a biochemical pathway 
E)  the carbon cycle

Question 2

Molecules that have a different configuration at one or more chirality centers, but not all chirality centers, are called __________.

Accepted Answer

A)  identical molecules 
B)  isomers 
C)  enantiomers 
D)  conformations 
E)  diastereomers 
A)  identical molecules 
B)  isomers 
C)  enantiomers 
D)  conformations 
E)  diastereomers

Question 3

Animals cannot digest________, but ruminants such as horses and cows have bacteria in their digestive track that can digest it.

Accepted Answer

A)  amylose 
B)  amylopectin 
C)  glycogen 
D)  cellulose 
E)  amylose and amylopectin 
A)  amylose 
B)  amylopectin 
C)  glycogen 
D)  cellulose 
E)  amylose and amylopectin

Question 4

Which statement BEST describes at the molecular level why AB is the universal recipient?

Accepted Answer

A)  It is the least common blood type. 
B)  It contains both the type A and type B monosaccharides in addition to the core trisaccharide. 
C)  It only contains the core trisaccharide and does not have any additional sugars on it. 
D)  Red blood cells of this type do not have any oligosaccharide markers. 
E)  Type AB has a completely different oligosaccharide marker than A, B, and O. 
A)  It is the least common blood type. 
B)  It contains both the type A and type B monosaccharides in addition to the core trisaccharide. 
C)  It only contains the core trisaccharide and does not have any additional sugars on it. 
D)  Red blood cells of this type do not have any oligosaccharide markers. 
E)  Type AB has a completely different oligosaccharide marker than A, B, and O.

Question 5

The most common disease in the world is

Accepted Answer

A)  heart disease. 
B)  cancer. 
C)  tooth decay. 
D)  amoebic dysentery. 
E)  malaria. 
A)  heart disease. 
B)  cancer. 
C)  tooth decay. 
D)  amoebic dysentery. 
E)  malaria.

Question 6

The circled oxygen in the cyclic structure of glucose corresponds to which boxed oxygen in the linear structure?

Accepted Answer

A)  choice a 
B)  choice b 
C)  choice c 
D)  choice d 
E)  choice e 
A)  choice a 
B)  choice b 
C)  choice c 
D)  choice d 
E)  choice e

Question 7

Sucrose, the disaccharide shown below, is a nonreducing sugar because

Accepted Answer

A)  it is a disaccharide. 
B)  ring A can open and form a carbonyl. 
C)  ring B can open and form a carbonyl. 
D)  it contains a glycosidic linkage. 
E)  neither ring can open. 
A)  it is a disaccharide. 
B)  ring A can open and form a carbonyl. 
C)  ring B can open and form a carbonyl. 
D)  it contains a glycosidic linkage. 
E)  neither ring can open.

Question 8

How can it be determined whether a sugar is α- or β- by looking at the Haworth projection?

Accepted Answer

A)  α-anomer: The -OH on the anomeric carbon is above the ring.β-anomer: The -OH on the anomeric carbon is below the ring. 
B)  α-anomer: The -CH2OH of carbon 6 is above the ring.β-anomer: The -CH2OH of carbon 6 is below the ring. 
C)  α-anomer: The -OH on the anomeric carbon is below the ring.β-anomer: The -OH on the anomeric carbon is above the ring. 
D)  α-anomer: The -CH2OH of carbon 6 is below the ring.β-anomer: The -CH2OH of carbon 6 is above the ring. 
E)  Both b and d are true. 
A)  α-anomer: The -OH on the anomeric carbon is above the ring.β-anomer: The -OH on the anomeric carbon is below the ring. 
B)  α-anomer: The -CH2OH of carbon 6 is above the ring.β-anomer: The -CH2OH of carbon 6 is below the ring. 
C)  α-anomer: The -OH on the anomeric carbon is below the ring.β-anomer: The -OH on the anomeric carbon is above the ring. 
D)  α-anomer: The -CH2OH of carbon 6 is below the ring.β-anomer: The -CH2OH of carbon 6 is above the ring. 
E)  Both b and d are true.

Question 9

Type _____ blood is the universal donor, whereas type _____ is the universal recipient.

Accepted Answer

A)  O; AB 
B)  AB; O 
C)  A; B 
D)  B; A 
E)  O; A or B 
A)  O; AB 
B)  AB; O 
C)  A; B 
D)  B; A 
E)  O; A or B

Question 10

The Fischer projection for fructose is shown below.Fructose is a _________.

Accepted Answer

A)  triose 
B)  tetrose 
C)  pentose 
D)  hexose 
E)  heptose 
A)  triose 
B)  tetrose 
C)  pentose 
D)  hexose 
E)  heptose

Question 11

What polysaccharides are made of glucose?

Accepted Answer

A)  amylose 
B)  amylopectin 
C)  glycogen 
D)  cellulose 
E)  All of the above are made of glucose. 
A)  amylose 
B)  amylopectin 
C)  glycogen 
D)  cellulose 
E)  All of the above are made of glucose.

Question 12

Which statement BEST describes photosynthesis?

Accepted Answer

A)  the breakdown of starch into CO2, H2O, and energy 
B)  the breakdown of starch into CO2 and H2O using energy 
C)  the synthesis of starch from CO2, H2O, and energy 
D)  the synthesis of starch and energy from CO2 and H2O 
E)  Photosynthesis applies to all of the above processes. 
A)  the breakdown of starch into CO2, H2O, and energy 
B)  the breakdown of starch into CO2 and H2O using energy 
C)  the synthesis of starch from CO2, H2O, and energy 
D)  the synthesis of starch and energy from CO2 and H2O 
E)  Photosynthesis applies to all of the above processes.

Question 13

A disaccharide has an α-(1→4)glycosidic linkage.Which statement about this sugar is TRUE?

Accepted Answer

A)  Both monosaccharides in the disaccharide are linked at their anomeric carbon. 
B)  Both monosaccharides in the disaccharide are the α-anomer. 
C)  No part of the disaccharide can undergo mutarotation. 
D)  The closed ring form of the sugar linked at its carbon-4 is in equilibrium with its open-chain form. 
E)  It is a nonreducing sugar. 
A)  Both monosaccharides in the disaccharide are linked at their anomeric carbon. 
B)  Both monosaccharides in the disaccharide are the α-anomer. 
C)  No part of the disaccharide can undergo mutarotation. 
D)  The closed ring form of the sugar linked at its carbon-4 is in equilibrium with its open-chain form. 
E)  It is a nonreducing sugar.

Question 14

How many stereogenic centers does the following molecule have?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  3 
E)  4 
A)  0 
B)  1 
C)  2 
D)  3 
E)  4

Question 15

Which of the following is a monosaccharide?

Accepted Answer

A)  cellulose 
B)  starch 
C)  glucose 
D)  sucrose 
E)  maltose 
A)  cellulose 
B)  starch 
C)  glucose 
D)  sucrose 
E)  maltose

Question 16

A large molecule composed of many repeating units of smaller molecules is called a

Accepted Answer

A)  polymer. 
B)  monomer. 
C)  manymer. 
D)  macromere. 
E)  carbohydrate. 
A)  polymer. 
B)  monomer. 
C)  manymer. 
D)  macromere. 
E)  carbohydrate.

Question 17

Which of the following blood types is MOST common?

Accepted Answer

A)  A 
B)  B 
C)  AB 
D)  O 
E)  They are equally common. 
A)  A 
B)  B 
C)  AB 
D)  O 
E)  They are equally common.

Question 18

Which molecule is chiral?

Accepted Answer

A)  molecule a 
B)  molecule b 
C)  molecule c 
D)  molecule d 
E)  molecule e 
A)  molecule a 
B)  molecule b 
C)  molecule c 
D)  molecule d 
E)  molecule e

Question 19

Which of the following features is NOT shared by all monosaccharides?

Accepted Answer

A)  Monosaccharides cannot be hydrolyzed into simpler carbohydrates. 
B)  Monosaccharides all contain six carbons. 
C)  Monosaccharides have an aldehyde or a ketone. 
D)  Monosaccharides contain two or more alcohols. 
E)  Monosaccharides are polyhydroxylated. 
A)  Monosaccharides cannot be hydrolyzed into simpler carbohydrates. 
B)  Monosaccharides all contain six carbons. 
C)  Monosaccharides have an aldehyde or a ketone. 
D)  Monosaccharides contain two or more alcohols. 
E)  Monosaccharides are polyhydroxylated.

Question 20

Do you expect monosaccharides to be soluble in water?

Accepted Answer

A)  Yes, because monosaccharides are acidic. 
B)  No, because monosaccharides have too many carbons to be soluble. 
C)  Yes, because monosaccharides can hydrogen bond with water. 
D)  No, because monosaccharides cannot form intermolecular attractive forces with water. 
E)  Yes, because monosaccharides are basic. 
A)  Yes, because monosaccharides are acidic. 
B)  No, because monosaccharides have too many carbons to be soluble. 
C)  Yes, because monosaccharides can hydrogen bond with water. 
D)  No, because monosaccharides cannot form intermolecular attractive forces with water. 
E)  Yes, because monosaccharides are basic.

Photosynthesis and cellular respiration together form___________.

Molecules that have a different configuration at one or more chirality centers, but not all chirality centers, are called __________.

Animals cannot digest________, but ruminants such as horses and cows have bacteria in their digestive track that can digest it.

Which statement BEST describes at the molecular level why AB is the universal recipient?

The most common disease in the world is

The circled oxygen in the cyclic structure of glucose corresponds to which boxed oxygen in the linear structure?

Sucrose, the disaccharide shown below, is a nonreducing sugar because

How can it be determined whether a sugar is α- or β- by looking at the Haworth projection?

Type _ blood is the universal donor, whereas type _ is the universal recipient.

The Fischer projection for fructose is shown below.Fructose is a _________.

What polysaccharides are made of glucose?

Which statement BEST describes photosynthesis?

A disaccharide has an α-(1→4)glycosidic linkage.Which statement about this sugar is TRUE?

How many stereogenic centers does the following molecule have?

Which of the following is a monosaccharide?

A large molecule composed of many repeating units of smaller molecules is called a

Which of the following blood types is MOST common?

Which molecule is chiral?

Which of the following features is NOT shared by all monosaccharides?

Do you expect monosaccharides to be soluble in water?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 14: Carbohydrates: Structure and Function

Photosynthesis and cellular respiration together form___________.

Molecules that have a different configuration at one or more chirality centers, but not all chirality centers, are called __________.

Animals cannot digest________, but ruminants such as horses and cows have bacteria in their digestive track that can digest it.

Which statement BEST describes at the molecular level why AB is the universal recipient?

The most common disease in the world is

The circled oxygen in the cyclic structure of glucose corresponds to which boxed oxygen in the linear structure?

Sucrose, the disaccharide shown below, is a nonreducing sugar because

How can it be determined whether a sugar is α- or β- by looking at the Haworth projection?

Type _____ blood is the universal donor, whereas type _____ is the universal recipient.

The Fischer projection for fructose is shown below.Fructose is a _________.

What polysaccharides are made of glucose?

Which statement BEST describes photosynthesis?

A disaccharide has an α-(1→4)glycosidic linkage.Which statement about this sugar is TRUE?

How many stereogenic centers does the following molecule have?

Which of the following is a monosaccharide?

A large molecule composed of many repeating units of smaller molecules is called a

Which of the following blood types is MOST common?

Which molecule is chiral?

Which of the following features is NOT shared by all monosaccharides?

Do you expect monosaccharides to be soluble in water?

Matter, Energy, and Measurement

Atomic Structure and Radioisotopes

Ionic and Covalent Compounds

Molecular Geometry, Polarity, and Intermolecular

Chemical Quantities and Introduction to Reactions

Chemical Reactions: Energy, Rates, and Equilibrium

Changes of State and Gas Laws

Mixtures, Solution Concentrations, and Diffusion

Acids and Bases, Ph, and Buffers

Introduction to Organic Chemistry:

Alcohols, Phenols, Thiols, Ethers, and Amines

The Carbonyl Containing Functional Groups

The Common Organic Reactions in Biochemistry

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Type _ blood is the universal donor, whereas type _ is the universal recipient.