Question 1

Which of the following statements about nucleic acids is FALSE?

Accepted Answer

A) Nucleic acids contain the code to make lipids. 
B) Nucleic acids specify the order of amino acids in proteins. 
C) Nucleic acids are either DNA or RNA. 
D) Nucleic acids are polymers of nucleotides. 
E) All of the statements are true. 
A) Nucleic acids contain the code to make lipids. 
B) Nucleic acids specify the order of amino acids in proteins. 
C) Nucleic acids are either DNA or RNA. 
D) Nucleic acids are polymers of nucleotides. 
E) All of the statements are true.

Question 2

A globular shape is an example of which type of structure?

Accepted Answer

A) Primary Structure 
B) Secondary Structure 
C) Tertiary Structure 
D) Quaternary Structure 
E) Pental Structure 
A) Primary Structure 
B) Secondary Structure 
C) Tertiary Structure 
D) Quaternary Structure 
E) Pental Structure

Question 3

Lipids are considered to be more soluble in water than in other solvents.

Accepted Answer

A) True 
 B)False

Question 4

What is the difference between saturated and unsaturated fatty acids?

Accepted Answer

The carbon chains in saturated

Question 5

All of the following carbohydrates can be digested by humans EXCEPT:

Accepted Answer

A) glucose. 
B) sucrose. 
C) cellulose. 
D) glycogen. 
E) both C and D 
A) glucose. 
B) sucrose. 
C) cellulose. 
D) glycogen. 
E) both C and D

Question 6

A disaccharide is composed of two monosaccharides connected together by a glycosidic linkage.

Accepted Answer

A) True 
 B)False

Question 7

A carbohydrate that cannot be broken down into simpler carbohydrates is called a monosaccharide.

Accepted Answer

A) True 
 B)False

Question 8

The main chemical components of the cell are ________.

Accepted Answer

A) carbohydrates,alcohols,proteins and amines 
B) alcohols,proteins,amines and nucleic acids 
C) proteins,nucleic acids,lipids,and carbohydrates 
D) amines,lipids,nucleic acids and proteins 
E) none of the above 
A) carbohydrates,alcohols,proteins and amines 
B) alcohols,proteins,amines and nucleic acids 
C) proteins,nucleic acids,lipids,and carbohydrates 
D) amines,lipids,nucleic acids and proteins 
E) none of the above

Question 9

The only structural difference between starch and cellulose is the type of linkage between glucose units.

Accepted Answer

A) True 
 B)False

Question 10

A seven-carbon sugar is known as:

Accepted Answer

A) tetrose. 
B) sevose. 
C) hexose. 
D) heptose. 
E) none of the above 
A) tetrose. 
B) sevose. 
C) hexose. 
D) heptose. 
E) none of the above

Question 11

Fatty acids differ only in their "R" group.

Accepted Answer

A) True 
 B)False

Question 12

Which of the following is a complex carbohydrate?

Accepted Answer

A) monosaccharide 
B) disaccharide 
C) polysaccharide 
D) all of these 
E) none of these 
A) monosaccharide 
B) disaccharide 
C) polysaccharide 
D) all of these 
E) none of these

Question 13

A chromosome is:

Accepted Answer

A) a structure within the cell nucleus that houses genes. 
B) a portion of DNA that codes for a single protein. 
C) a sequence of three nucleotides that codes for a single amino acid. 
D) a portion of a protein that codes for a single amino acid. 
E) none of the above 
A) a structure within the cell nucleus that houses genes. 
B) a portion of DNA that codes for a single protein. 
C) a sequence of three nucleotides that codes for a single amino acid. 
D) a portion of a protein that codes for a single amino acid. 
E) none of the above

Question 14

Amino acids link together to form a peptide bond because the amine end of one amino acid reacts with the carboxylic acid of another amino acid.

Accepted Answer

A) True 
 B)False

Question 15

Carbohydrates have the general formula of (CH2O)n.

Accepted Answer

A) True 
 B)False

Question 16

Carbohydrates provide short term energy storage in cells.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following statements about amino acids is FALSE?

Accepted Answer

A) Amino acids are the monomers of protein molecules. 
B) Amino acids all have an amine group,a side chain,and a carboxylic acid. 
C) Amino acids bond to each other through a peptide bond. 
D) Amino acids all have very similar physical properties. 
E) All of the statements are true. 
A) Amino acids are the monomers of protein molecules. 
B) Amino acids all have an amine group,a side chain,and a carboxylic acid. 
C) Amino acids bond to each other through a peptide bond. 
D) Amino acids all have very similar physical properties. 
E) All of the statements are true.

Question 18

The human genome project was embarked upon in the late 1970s with the goal of mapping the entire DNA molecule.

Accepted Answer

A) True 
 B)False

Question 19

Fructose is an example of a hexose,a six-carbon sugar.

Accepted Answer

A) True 
 B)False

Question 20

Nucleic acids contain a chemical code that ensures the correct amino acid sequence for proteins.

Accepted Answer

A) True 
 B)False

Which of the following statements about nucleic acids is FALSE?

A globular shape is an example of which type of structure?

Lipids are considered to be more soluble in water than in other solvents.

What is the difference between saturated and unsaturated fatty acids?

All of the following carbohydrates can be digested by humans EXCEPT:

A disaccharide is composed of two monosaccharides connected together by a glycosidic linkage.

A carbohydrate that cannot be broken down into simpler carbohydrates is called a monosaccharide.

The main chemical components of the cell are ________.

The only structural difference between starch and cellulose is the type of linkage between glucose units.

A seven-carbon sugar is known as:

Fatty acids differ only in their "R" group.

Which of the following is a complex carbohydrate?

A chromosome is:

Amino acids link together to form a peptide bond because the amine end of one amino acid reacts with the carboxylic acid of another amino acid.

Carbohydrates have the general formula of (CH₂O)_n.

Carbohydrates provide short term energy storage in cells.

Which of the following statements about amino acids is FALSE?

The human genome project was embarked upon in the late 1970s with the goal of mapping the entire DNA molecule.

Fructose is an example of a hexose,a six-carbon sugar.

Nucleic acids contain a chemical code that ensures the correct amino acid sequence for proteins.

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Electrons in Atoms and the Periodic Table

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Exam 19: Biochemistry

Which of the following statements about nucleic acids is FALSE?

A globular shape is an example of which type of structure?

Lipids are considered to be more soluble in water than in other solvents.

What is the difference between saturated and unsaturated fatty acids?

All of the following carbohydrates can be digested by humans EXCEPT:

A disaccharide is composed of two monosaccharides connected together by a glycosidic linkage.

A carbohydrate that cannot be broken down into simpler carbohydrates is called a monosaccharide.

The main chemical components of the cell are ________.

The only structural difference between starch and cellulose is the type of linkage between glucose units.

A seven-carbon sugar is known as:

Fatty acids differ only in their "R" group.

Which of the following is a complex carbohydrate?

A chromosome is:

Amino acids link together to form a peptide bond because the amine end of one amino acid reacts with the carboxylic acid of another amino acid.

Carbohydrates have the general formula of (CH2O)n.

Carbohydrates provide short term energy storage in cells.

Which of the following statements about amino acids is FALSE?

The human genome project was embarked upon in the late 1970s with the goal of mapping the entire DNA molecule.

Fructose is an example of a hexose,a six-carbon sugar.

Nucleic acids contain a chemical code that ensures the correct amino acid sequence for proteins.

The Chemical World

Measurement and Problem Solving

Matter and Energy

Atoms and Elements

Molecules and Compounds

Chemical Composition

Chemical Reactions

Quantities in Chemical Reactions

Electrons in Atoms and the Periodic Table

Chemical Bonding

Gases

Liquids, solids, and Intermolecular Forces

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Radioactivity and Nuclear Chemistry

Organic Chemistry

Filters

Carbohydrates have the general formula of (CH₂O)_n.