Question 1

The nonpolar part of a phospholipid is repelled by water and is said to be hydrophilic.

Accepted Answer

A) True 
 B)False  False

Question 2

The "m" in the term mRNA represents:

Accepted Answer

A) meta. 
B) mini. 
C) mitosis. 
D) messenger. 
E) none of the above 
A) meta. 
B) mini. 
C) mitosis. 
D) messenger. 
E) none of the above D

Question 3

The human genome project showed that humans have approximately ________ genes.

Accepted Answer

A) 46 
B) 20,000 
C) 36,000 
D) 3 Million 
E) none of the above 
A) 46 
B) 20,000 
C) 36,000 
D) 3 Million 
E) none of the above B

Question 4

If a polysaccharide is digested in the body,it will yield many monosaccharide units.

Accepted Answer

A) True 
 B)False

Question 5

Protein structures are expressed in terms of amino acid sequence,the short-term repeating pattern,the long-term bend and folds and finally how proteins structures interact with themselves.

Accepted Answer

A) True 
 B)False

Question 6

Which protein structure provides the large-scale bends and folds in the protein?

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 7

Glucose is an example of a monosaccharide.

Accepted Answer

A) True 
 B)False

Question 8

Nucleotides contain a phosphate,a sugar and an amino acid.

Accepted Answer

A) True 
 B)False

Question 9

Which of the following is NOT true regarding disaccharides?

Accepted Answer

A) The disaccharide link is so strong that it cannot be broken during digestion. 
B) The link between the monosaccharides is called a glycosidic linkage. 
C) Water is eliminated when two monosaccharides react to form a disaccharide. 
D) A disaccharide is a carbohydrate composed of two simpler carbohydrates. 
E) none of the above 
A) The disaccharide link is so strong that it cannot be broken during digestion. 
B) The link between the monosaccharides is called a glycosidic linkage. 
C) Water is eliminated when two monosaccharides react to form a disaccharide. 
D) A disaccharide is a carbohydrate composed of two simpler carbohydrates. 
E) none of the above

Question 10

Lipids include all of the following compounds EXCEPT:

Accepted Answer

A) phospholipids. 
B) glycolipids. 
C) carboxylic acids. 
D) steroids. 
E) All of the above are lipids. 
A) phospholipids. 
B) glycolipids. 
C) carboxylic acids. 
D) steroids. 
E) All of the above are lipids.

Question 11

Amino acids are molecules that contain a side chain,a main chain,an amine group,a carboxylic acid group and a protein group.

Accepted Answer

A) True 
 B)False

Question 12

Which sequence below lists the order of the components of a cell,listed in order from inside to outside?

Accepted Answer

A) nucleus,cell membrane,cytoplasm 
B) cytoplasm,nucleus,cell membrane 
C) nucleus,cytoplasm,cell membrane 
D) cell membrane,nucleus,cytoplasm 
E) cell membrane,cytoplasm,nucleus 
A) nucleus,cell membrane,cytoplasm 
B) cytoplasm,nucleus,cell membrane 
C) nucleus,cytoplasm,cell membrane 
D) cell membrane,nucleus,cytoplasm 
E) cell membrane,cytoplasm,nucleus

Question 13

An example of a monosaccharide is ________.

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 14

Which factor causes the main difference in chemical properties between different amino acids?

Accepted Answer

A) amine group 
B) carboxylic acid group 
C) R group (side chain) 
D) molecular weight 
E) none of the above 
A) amine group 
B) carboxylic acid group 
C) R group (side chain) 
D) molecular weight 
E) none of the above

Question 15

During digestion,sucrose breaks down into ________.

Accepted Answer

A) glucose and galactose 
B) galactose and fructose 
C) fructose and lactose 
D) glucose and fructose 
E) none of the above 
A) glucose and galactose 
B) galactose and fructose 
C) fructose and lactose 
D) glucose and fructose 
E) none of the above

Question 16

The most common repeating pattern that is found along the secondary structure of a protein chain is:

Accepted Answer

A) α-helix. 
B) β-pleated sheet. 
C) β-turn. 
D) random coil. 
E) none of the above 
A) α-helix. 
B) β-pleated sheet. 
C) β-turn. 
D) random coil. 
E) none of the above

Question 17

An example of a polysaccharide is:

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 18

The synthesis of a protein involves:

Accepted Answer

A) DNA transfers the code to m-RNA which then goes to the nucleus to synthesize the protein. 
B) DNA transfers the code to m-RNA which then goes to the mitochondria to synthesize the protein. 
C) DNA transfers the code to m-RNA which then goes to the ribosome to synthesize the protein. 
D) DNA transfers the code to m-RNA which then goes to the codon to synthesize the protein. 
E) none of the above 
A) DNA transfers the code to m-RNA which then goes to the nucleus to synthesize the protein. 
B) DNA transfers the code to m-RNA which then goes to the mitochondria to synthesize the protein. 
C) DNA transfers the code to m-RNA which then goes to the ribosome to synthesize the protein. 
D) DNA transfers the code to m-RNA which then goes to the codon to synthesize the protein. 
E) none of the above

Question 19

Saturated fats tend to be solid at room temperature.

Accepted Answer

A) True 
 B)False

Question 20

Which of the following statements is FALSE about polysaccharides?

Accepted Answer

A) They are long chain structures containing large number of repeating monosaccharide units. 
B) Starch,cellulose,and glycogen are polysaccharides. 
C) Table sugar is a polysaccharide. 
D) They break down to produce monosaccharides during digestion. 
E) none of the above 
A) They are long chain structures containing large number of repeating monosaccharide units. 
B) Starch,cellulose,and glycogen are polysaccharides. 
C) Table sugar is a polysaccharide. 
D) They break down to produce monosaccharides during digestion. 
E) none of the above

The nonpolar part of a phospholipid is repelled by water and is said to be hydrophilic.

The "m" in the term mRNA represents:

The human genome project showed that humans have approximately ________ genes.

If a polysaccharide is digested in the body,it will yield many monosaccharide units.

Protein structures are expressed in terms of amino acid sequence,the short-term repeating pattern,the long-term bend and folds and finally how proteins structures interact with themselves.

Which protein structure provides the large-scale bends and folds in the protein?

Glucose is an example of a monosaccharide.

Nucleotides contain a phosphate,a sugar and an amino acid.

Which of the following is NOT true regarding disaccharides?

Lipids include all of the following compounds EXCEPT:

Amino acids are molecules that contain a side chain,a main chain,an amine group,a carboxylic acid group and a protein group.

Which sequence below lists the order of the components of a cell,listed in order from inside to outside?

An example of a monosaccharide is ________.

Which factor causes the main difference in chemical properties between different amino acids?

During digestion,sucrose breaks down into ________.

The most common repeating pattern that is found along the secondary structure of a protein chain is:

An example of a polysaccharide is:

The synthesis of a protein involves:

Saturated fats tend to be solid at room temperature.

Which of the following statements is FALSE about polysaccharides?

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Exam 19: Biochemistry

The nonpolar part of a phospholipid is repelled by water and is said to be hydrophilic.

The "m" in the term mRNA represents:

The human genome project showed that humans have approximately ________ genes.

If a polysaccharide is digested in the body,it will yield many monosaccharide units.

Protein structures are expressed in terms of amino acid sequence,the short-term repeating pattern,the long-term bend and folds and finally how proteins structures interact with themselves.

Which protein structure provides the large-scale bends and folds in the protein?

Glucose is an example of a monosaccharide.

Nucleotides contain a phosphate,a sugar and an amino acid.

Which of the following is NOT true regarding disaccharides?

Lipids include all of the following compounds EXCEPT:

Amino acids are molecules that contain a side chain,a main chain,an amine group,a carboxylic acid group and a protein group.

Which sequence below lists the order of the components of a cell,listed in order from inside to outside?

An example of a monosaccharide is ________.

Which factor causes the main difference in chemical properties between different amino acids?

During digestion,sucrose breaks down into ________.

The most common repeating pattern that is found along the secondary structure of a protein chain is:

An example of a polysaccharide is:

The synthesis of a protein involves:

Saturated fats tend to be solid at room temperature.

Which of the following statements is FALSE about polysaccharides?

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