Question 1

A nucleotide made up of cytosine,ribose and a phosphate would be found in DNA.

Accepted Answer

A) True 
 B)False

Question 2

The process in which proteins are made from mRNA is

Accepted Answer

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

Question 3

One of the bases in the nucleotides of RNA is

Accepted Answer

A) fructose. 
B) deoxyribose. 
C) thymine. 
D) cytosine. 
A) fructose. 
B) deoxyribose. 
C) thymine. 
D) cytosine.

Question 4

In cells,protein synthesis occurs on the

Accepted Answer

A) nucleus. 
B) mitochondria. 
C) ribosomes. 
D) cytoplasm. 
A) nucleus. 
B) mitochondria. 
C) ribosomes. 
D) cytoplasm.

Question 5

The molecular formula for glucose is

Accepted Answer

A) C₁₂H₆O₆. 
B) C₆H₁₂O₆. 
C) C₆H₆O₁₂. 
D) C₁₂H₂₂O₁₁. 
A) C₁₂H₆O₆. 
B) C₆H₁₂O₆. 
C) C₆H₆O₁₂. 
D) C₁₂H₂₂O₁₁.

Question 6

The bond that holds amino acids together to form the backbone of a protein is called a(n)________ bond.

Accepted Answer

The answer of The bond that holds amino acids together...

Question 7

RNA is found

Accepted Answer

A) primarily in the cell nucleus. 
B) primarily in cell ribosomes. 
C) primarily in cell mitochondria. 
D) in all parts of the cell. 
A) primarily in the cell nucleus. 
B) primarily in cell ribosomes. 
C) primarily in cell mitochondria. 
D) in all parts of the cell.

Question 8

The first step in protein synthesis in cells is

Accepted Answer

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

Question 9

Triglycerides with a high proportion of saturated fatty acids have a higher melting point than triglycerides with a low proportion of saturated fatty acids do.

Accepted Answer

A) True 
 B)False

Question 10

The interactions between different chains in a protein contribute to its ________ structure.

Accepted Answer

A) primary 
B) quaternary 
C) secondary 
D) tertiary 
A) primary 
B) quaternary 
C) secondary 
D) tertiary

Question 11

The secondary 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 between atoms in peptide bonds that gives the protein a 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 between atoms in peptide bonds that gives the protein a three dimensional shape. 
D) the intertwining of protein molecules to form a "functional" protein.

Question 12

Disulfide linkages in proteins are formed when two units of ________ are oxidized to form a covalent bond.

Accepted Answer

A) valine 
B) threonine 
C) cysteine 
D) asparagine 
A) valine 
B) threonine 
C) cysteine 
D) asparagine

Question 13

Certain side chains (R groups)in amino acids are nonpolar.In the structure of a protein,nonpolar groups are generally found

Accepted Answer

A) on the interior of the protein structure, shielded from interaction with water molecules. 
B) on the exterior of the protein structure, shielded from interaction with water molecules. 
C) on the interior of the protein structure, maximizing their interaction with water molecules. 
D) on the exterior of the protein structure, maximizing their interaction with water molecules. 
A) on the interior of the protein structure, shielded from interaction with water molecules. 
B) on the exterior of the protein structure, shielded from interaction with water molecules. 
C) on the interior of the protein structure, maximizing their interaction with water molecules. 
D) on the exterior of the protein structure, maximizing their interaction with water molecules.

Question 14

The bond between two amino acids is called a peptide bond.What type of bond is a peptide bond?

Accepted Answer

A) amide 
B) anhydride 
C) amine 
D) glyceride 
A) amide 
B) anhydride 
C) amine 
D) glyceride

Question 15

The series of chemical reactions that keep living organisms alive is referred to as

Accepted Answer

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

Question 16

Proteins are polymers consisting of amino acid monomers.

Accepted Answer

A) True 
 B)False

Question 17

Human body cells have ________ chromosomes.

Accepted Answer

A) 52 
B) 22 
C) 46 
D) 14 
A) 52 
B) 22 
C) 46 
D) 14

Question 18

A relatively small molecule with more than 10 amino acids is called a

Accepted Answer

A) polypeptide. 
B) protein. 
C) polysaccharide. 
D) polynucleic acid. 
A) polypeptide. 
B) protein. 
C) polysaccharide. 
D) polynucleic acid.

Question 19

Chloroplasts in plants convert

Accepted Answer

A) light energy into heat energy. 
B) light energy into electrical energy. 
C) light energy into chemical energy. 
D) heat energy into chemical energy. 
A) light energy into heat energy. 
B) light energy into electrical energy. 
C) light energy into chemical energy. 
D) heat energy into chemical energy.

Question 20

Which of the following involves the formation of a covalent bond?

Accepted Answer

A) dispersion forces 
B) disulfide linkages 
C) hydrogen bonding 
D) salt bridges 
A) dispersion forces 
B) disulfide linkages 
C) hydrogen bonding 
D) salt bridges

Exam 16: Biochemistry

A nucleotide made up of cytosine,ribose and a phosphate would be found in DNA.

The process in which proteins are made from mRNA is

One of the bases in the nucleotides of RNA is

In cells,protein synthesis occurs on the

The molecular formula for glucose is

The bond that holds amino acids together to form the backbone of a protein is called a(n)________ bond.

RNA is found

The first step in protein synthesis in cells is

Triglycerides with a high proportion of saturated fatty acids have a higher melting point than triglycerides with a low proportion of saturated fatty acids do.

The interactions between different chains in a protein contribute to its ________ structure.

The secondary structure of a protein is determined by

Disulfide linkages in proteins are formed when two units of ________ are oxidized to form a covalent bond.

Certain side chains (R groups)in amino acids are nonpolar.In the structure of a protein,nonpolar groups are generally found

The bond between two amino acids is called a peptide bond.What type of bond is a peptide bond?

The series of chemical reactions that keep living organisms alive is referred to as

Proteins are polymers consisting of amino acid monomers.

Human body cells have ________ chromosomes.

A relatively small molecule with more than 10 amino acids is called a

Chloroplasts in plants convert

Which of the following involves the formation of a covalent bond?

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