Question 1

Lipids are soluble in aqueous solutions such as blood and cytoplasm.

Accepted Answer

A) True 
 B)False

Question 2

The many OH groups present in carbohydrates such as glucose make them quite insoluble in water and blood.

Accepted Answer

A) True 
 B)False

Question 3

A nucleotide contains:

Accepted Answer

A) phosphate,sugar,amino acid. 
B) phosphate,lipid,base. 
C) phosphate,lipid,amino acid. 
D) phosphate,sugar,base. 
E) none of the above 
A) phosphate,sugar,amino acid. 
B) phosphate,lipid,base. 
C) phosphate,lipid,amino acid. 
D) phosphate,sugar,base. 
E) none of the above

Question 4

Which type of structure is maintained by interaction between R-groups on amino acids that are separated by long distances on the same chain?

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 5

A gene is a portion of DNA that codes for a single protein.

Accepted Answer

A) True 
 B)False

Question 6

A tripeptide consists of three steroids linked together.

Accepted Answer

A) True 
 B)False

Question 7

An alpha helix 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 8

A section of DNA contains the bases ACGTC,so the correct sequence in the complementary strand is:

Accepted Answer

A) CATGA 
B) UGCAG 
C) TGCAG 
D) GTACT 
E) none of the above 
A) CATGA 
B) UGCAG 
C) TGCAG 
D) GTACT 
E) none of the above

Question 9

All of the carbohydrates below are hexoses EXCEPT:

Accepted Answer

A) glucose. 
B) fructose. 
C) galactose. 
D) both A and B 
E) Glucose,fructose and galactose are all hexoses. 
A) glucose. 
B) fructose. 
C) galactose. 
D) both A and B 
E) Glucose,fructose and galactose are all hexoses.

Question 10

In the formation of a secondary protein structure,the primary protein structure is destroyed.

Accepted Answer

A) True 
 B)False

Question 11

How many total number of DNA bases are needed to code for the amino acids in a protein containing 27 amino acids?

Accepted Answer

A) 9 
B) 27 
C) 81 
D) 4 
E) none of the above 
A) 9 
B) 27 
C) 81 
D) 4 
E) none of the above

Question 12

A pentose sugar contains more carbon atoms than does a hexose sugar.

Accepted Answer

A) True 
 B)False

Question 13

Cys-Ala-Val-Cys-Gln 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 14

The complementary base sequence to GTAGCT is:

Accepted Answer

A) CATCGA. 
B) ACGATC. 
C) GCAGTA. 
D) AGTCGA. 
E) none of the above 
A) CATCGA. 
B) ACGATC. 
C) GCAGTA. 
D) AGTCGA. 
E) none of the above

Question 15

Which of the statements regarding phospholipids is FALSE?

Accepted Answer

A) A phospholipid has nearly the same structure as a triglyceride. 
B) Unlike triglycerides,phospholipids have a polar region. 
C) Phospholipids are common in the cell membrane. 
D) A cell membrane is a bilayer of phospholipids and glycolipids. 
E) All of the above statements are true. 
A) A phospholipid has nearly the same structure as a triglyceride. 
B) Unlike triglycerides,phospholipids have a polar region. 
C) Phospholipids are common in the cell membrane. 
D) A cell membrane is a bilayer of phospholipids and glycolipids. 
E) All of the above statements are true.

Question 16

A triglyceride is a fat or oil that contains a fatty acid bonded to three glycerol molecules.

Accepted Answer

A) True 
 B)False

Question 17

Biochemistry is the study of chemical substances and processes that occur in plants,animals and microorganisms.

Accepted Answer

A) True 
 B)False

Question 18

The two strands that form the double helix of DNA are held to each other by:

Accepted Answer

A) peptide bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) ester linkages. 
E) none of the above 
A) peptide bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) ester linkages. 
E) none of the above

Question 19

Amino acids contain a(n):

Accepted Answer

A) amine group. 
B) carboxylic acid group. 
C) "R" side chain. 
D) all of the above 
E) none of the above 
A) amine group. 
B) carboxylic acid group. 
C) "R" side chain. 
D) all of the above 
E) none of the above

Question 20

The complementary strand of DNA to the pattern GAATC is TCCGA.

Accepted Answer

A) True 
 B)False

Lipids are soluble in aqueous solutions such as blood and cytoplasm.

The many OH groups present in carbohydrates such as glucose make them quite insoluble in water and blood.

A nucleotide contains:

Which type of structure is maintained by interaction between R-groups on amino acids that are separated by long distances on the same chain?

A gene is a portion of DNA that codes for a single protein.

A tripeptide consists of three steroids linked together.

An alpha helix is an example of which type of structure?

A section of DNA contains the bases ACGTC,so the correct sequence in the complementary strand is:

All of the carbohydrates below are hexoses EXCEPT:

In the formation of a secondary protein structure,the primary protein structure is destroyed.

How many total number of DNA bases are needed to code for the amino acids in a protein containing 27 amino acids?

A pentose sugar contains more carbon atoms than does a hexose sugar.

Cys-Ala-Val-Cys-Gln is an example of which type of structure?

The complementary base sequence to GTAGCT is:

Which of the statements regarding phospholipids is FALSE?

A triglyceride is a fat or oil that contains a fatty acid bonded to three glycerol molecules.

Biochemistry is the study of chemical substances and processes that occur in plants,animals and microorganisms.

The two strands that form the double helix of DNA are held to each other by:

Amino acids contain a(n):

The complementary strand of DNA to the pattern GAATC is TCCGA.

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Exam 19: Biochemistry

Lipids are soluble in aqueous solutions such as blood and cytoplasm.

The many OH groups present in carbohydrates such as glucose make them quite insoluble in water and blood.

A nucleotide contains:

Which type of structure is maintained by interaction between R-groups on amino acids that are separated by long distances on the same chain?

A gene is a portion of DNA that codes for a single protein.

A tripeptide consists of three steroids linked together.

An alpha helix is an example of which type of structure?

A section of DNA contains the bases ACGTC,so the correct sequence in the complementary strand is:

All of the carbohydrates below are hexoses EXCEPT:

In the formation of a secondary protein structure,the primary protein structure is destroyed.

How many total number of DNA bases are needed to code for the amino acids in a protein containing 27 amino acids?

A pentose sugar contains more carbon atoms than does a hexose sugar.

Cys-Ala-Val-Cys-Gln is an example of which type of structure?

The complementary base sequence to GTAGCT is:

Which of the statements regarding phospholipids is FALSE?

A triglyceride is a fat or oil that contains a fatty acid bonded to three glycerol molecules.

Biochemistry is the study of chemical substances and processes that occur in plants,animals and microorganisms.

The two strands that form the double helix of DNA are held to each other by:

Amino acids contain a(n):

The complementary strand of DNA to the pattern GAATC is TCCGA.

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