Question 1

The process in which mRNA is made from DNA is

Accepted Answer

A) complementation. 
B) replication. 
C) transcription. 
D) translation. 
A) complementation. 
B) replication. 
C) transcription. 
D) translation.

Question 2

What is a zwitterion?

Accepted Answer

A) a compound that carries two positively charged atoms 
B) a compound that carries two negatively charged atoms 
C) a compound that carries either two positively charged atoms or two negatively charged atoms 
D) a compound that carries one positively charged atom and one negatively charged atom 
A) a compound that carries two positively charged atoms 
B) a compound that carries two negatively charged atoms 
C) a compound that carries either two positively charged atoms or two negatively charged atoms 
D) a compound that carries one positively charged atom and one negatively charged atom

Question 3

Enzymes are biological catalysts.

Accepted Answer

A) True 
 B)False

Question 4

The series of chemical reactions that synthesize molecules for use by a living system is called

Accepted Answer

A) anabolism. 
B) catabolism. 
C) biobolism. 
D) metabolism. 
A) anabolism. 
B) catabolism. 
C) biobolism. 
D) metabolism.

Question 5

Which of the following statements about essential amino acids is NOT correct?

Accepted Answer

A) Essential amino acids cannot be synthesized by the human body. 
B) Essential amino acids cannot be incorporated into protein. 
C) Essential amino acids must be part of the diet. 
D) Some amino acids are essential for infants and children, but not for adults. 
A) Essential amino acids cannot be synthesized by the human body. 
B) Essential amino acids cannot be incorporated into protein. 
C) Essential amino acids must be part of the diet. 
D) Some amino acids are essential for infants and children, but not for adults.

Question 6

The repeating units in both DNA and RNA are called

Accepted Answer

A) monomers. 
B) nucleic acids. 
C) nucleotides. 
D) amino acids. 
A) monomers. 
B) nucleic acids. 
C) nucleotides. 
D) amino acids.

Question 7

Cellulose and starch are made up of glucose monomers,so they can both be digested by humans.

Accepted Answer

A) True 
 B)False

Question 8

Which of the following is NOT involved in determining the tertiary structure of a protein?

Accepted Answer

A) ester bonds 
B) salt bridges 
C) disulfide linkages 
D) hydrogen bonds 
A) ester bonds 
B) salt bridges 
C) disulfide linkages 
D) hydrogen bonds

Question 9

A substance that is acted upon by an enzyme and undergoes a change is knows as a(n)

Accepted Answer

A) cofactor. 
B) coenzyme. 
C) essential amino acid. 
D) substrate. 
A) cofactor. 
B) coenzyme. 
C) essential amino acid. 
D) substrate.

Question 10

Cellular constituents that are soluble in low polarity organic solvents are called ________.

Accepted Answer

The answer of Cellular constituents that are soluble in low...

Question 11

Animal fats are

Accepted Answer

A) solids and have a smaller proportion of unsaturated fats. 
B) solids and have a higher proportion of unsaturated fats. 
C) liquids and have a higher proportion of unsaturated fats. 
D) liquids and have a smaller proportion of unsaturated fats. 
A) solids and have a smaller proportion of unsaturated fats. 
B) solids and have a higher proportion of unsaturated fats. 
C) liquids and have a higher proportion of unsaturated fats. 
D) liquids and have a smaller proportion of unsaturated fats.

Question 12

An amino acid has an amide group and a carboxyl acid group.

Accepted Answer

A) True 
 B)False

Question 13

Triglyceride is another term for

Accepted Answer

A) cholesterol. 
B) protein. 
C) blood sugar. 
D) a fat or oil. 
A) cholesterol. 
B) protein. 
C) blood sugar. 
D) a fat or oil.

Question 14

Extremophiles are microorganisms that

Accepted Answer

A) live in harsh environments that would kill other creatures. 
B) live outside the body. 
C) live in the water supply. 
D) live in thick forests. 
A) live in harsh environments that would kill other creatures. 
B) live outside the body. 
C) live in the water supply. 
D) live in thick forests.

Question 15

In cells,primary energy production occurs in the

Accepted Answer

A) mitochondria. 
B) nucleus. 
C) ribosomes. 
D) cell membrane. 
A) mitochondria. 
B) nucleus. 
C) ribosomes. 
D) cell membrane.

Question 16

Chloroplasts convert light energy into heat energy.

Accepted Answer

A) True 
 B)False

Question 17

Which of the following statements BEST describes the action of enzymes in living systems? A specific enzyme generally catalyzes

Accepted Answer

A) one specific reaction. 
B) a group of similar reactions. 
C) many different reactions. 
D) either one specific reaction or a group of similar reactions. 
A) one specific reaction. 
B) a group of similar reactions. 
C) many different reactions. 
D) either one specific reaction or a group of similar reactions.

Question 18

The RNA that transports the base sequence information to the ribosomes is called ________ RNA or ________ RNA.

Accepted Answer

The answer of The RNA that transports the base sequence...

Question 19

Fats and oils are differentiated from each other on the basis of their

Accepted Answer

A) melting points. 
B) densities. 
C) glycerol content. 
D) boiling points. 
A) melting points. 
B) densities. 
C) glycerol content. 
D) boiling points.

Question 20

The primary structure of a protein is determined by

Accepted Answer

A) the amino acid composition. 
B) the order of amino acids in the protein. 
C) the hydrogen bonding that gives the protein three dimensional shape. 
D) the intertwining of protein molecules to form a "functional" protein. 
A) the amino acid composition. 
B) the order of amino acids in the protein. 
C) the hydrogen bonding that gives the protein three dimensional shape. 
D) the intertwining of protein molecules to form a "functional" protein.

Exam 16: Biochemistry

The process in which mRNA is made from DNA is

What is a zwitterion?

Enzymes are biological catalysts.

The series of chemical reactions that synthesize molecules for use by a living system is called

Which of the following statements about essential amino acids is NOT correct?

The repeating units in both DNA and RNA are called

Cellulose and starch are made up of glucose monomers,so they can both be digested by humans.

Which of the following is NOT involved in determining the tertiary structure of a protein?

A substance that is acted upon by an enzyme and undergoes a change is knows as a(n)

Cellular constituents that are soluble in low polarity organic solvents are called ________.

Animal fats are

An amino acid has an amide group and a carboxyl acid group.

Triglyceride is another term for

Extremophiles are microorganisms that

In cells,primary energy production occurs in the

Chloroplasts convert light energy into heat energy.

Which of the following statements BEST describes the action of enzymes in living systems? A specific enzyme generally catalyzes

The RNA that transports the base sequence information to the ribosomes is called ________ RNA or ________ RNA.

Fats and oils are differentiated from each other on the basis of their

The primary structure of a protein is determined by

Chemistry

Atoms

Atomic Structure

Chemical Bonds

Chemical Accounting

Gases, Liquids, Solids, and Intermolecular Forces

Acids and Bases

Oxidation and Reduction

Organic Chemistry

Polymers

Nuclear Chemistry

Chemistry of the Earth

Air

Water

Energy

Food

Drugs

Fitness and Health

Chemistry Down on the Farm

Household Chemicals

Poisons

Filters

The RNA that transports the base sequence information to the ribosomes is called RNA or RNA.