Question 1

Nucleotides in nucleic acids are joined by links through the

Accepted Answer

A) phosphate groups. 
B) base groups. 
C) sugar groups. 
D) peptide bonds. 
A) phosphate groups. 
B) base groups. 
C) sugar groups. 
D) peptide bonds.

Question 2

Fats and oils are examples of

Accepted Answer

A) ketones. 
B) aldehydes. 
C) alcohols. 
D) esters. 
A) ketones. 
B) aldehydes. 
C) alcohols. 
D) esters.

Question 3

What is the complementary RNA base for the DNA base of adenine?

Accepted Answer

A) uracil 
B) cytosine 
C) adenine 
D) valine 
A) uracil 
B) cytosine 
C) adenine 
D) valine

Question 4

The bacterial DNA that is used as the splice receptor in recombinant DNA is called a

Accepted Answer

A) plasmid. 
B) codon. 
C) clones. 
D) restrictor. 
A) plasmid. 
B) codon. 
C) clones. 
D) restrictor.

Question 5

From an organic chemistry perspective,carbohydrates are polyhydroxy

Accepted Answer

A) carboxylic acids. 
B) aldehydes and ketones. 
C) amines. 
D) amino acids. 
A) carboxylic acids. 
B) aldehydes and ketones. 
C) amines. 
D) amino acids.

Question 6

The helical structure of certain proteins,such as wool,is part of the protein's

Accepted Answer

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

Question 7

The major distinguishing feature between plant and animal cells is the chloroplast.Discuss this difference.

Accepted Answer

Plant cell

Question 8

Changing one amino acid in a protein sequence will always have a negative effect.

Accepted Answer

A) True 
 B)False

Question 9

A compound that has two fatty acids joined to a glycerol molecule by ester linkages is a(n)

Accepted Answer

A) diglyceride. 
B) fat. 
C) oil. 
D) triglyceride. 
A) diglyceride. 
B) fat. 
C) oil. 
D) triglyceride.

Question 10

The hydrolysis of lactose yields glucose and ________.

Accepted Answer

The answer of The hydrolysis of lactose yields glucose and...

Question 11

Discuss in very general terms how the genetic code in DNA controls the synthesis of proteins in the cell ribosomes.

Accepted Answer

The genetic code in DNA controls the syn

Question 12

Glucose contains a(n)________ functional group in addition to the hydroxyl group.

Accepted Answer

The answer of Glucose contains a(n)________ functional group in addition...

Question 13

The hereditary material of all cells is found in the

Accepted Answer

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

Question 14

If the DNA template chain contains the 5' → 3' sequence A-T-T-G-C,what will be the sequence on the newly synthesized DNA chain?

Accepted Answer

A) 3' → 5' T-A-A-C-G 
B) 5' → 3' T-A-A-C-G 
C) 3' → 5' U-A-A-C-G 
D) 5' → 3' U-A-A-C-G 
A) 3' → 5' T-A-A-C-G 
B) 5' → 3' T-A-A-C-G 
C) 3' → 5' U-A-A-C-G 
D) 5' → 3' U-A-A-C-G

Question 15

An example of a disaccharide is

Accepted Answer

A) sucrose. 
B) galactose. 
C) dextrose. 
D) cellulose. 
A) sucrose. 
B) galactose. 
C) dextrose. 
D) cellulose.

Question 16

The molecule that carries the amino acid to the site of protein synthesis is mRNA.

Accepted Answer

A) True 
 B)False

Question 17

Introns are inactive portions in genes.

Accepted Answer

A) True 
 B)False

Question 18

Which of the following base pairs is NOT found in DNA?

Accepted Answer

A) C-G 
B) T-C 
C) A-T 
D) None of the above 
A) C-G 
B) T-C 
C) A-T 
D) None of the above

Question 19

The monomer unit in amylopectin is ________.

Accepted Answer

A) glucose 
B) mannose 
C) lactose 
D) sucrose 
A) glucose 
B) mannose 
C) lactose 
D) sucrose

Question 20

Watson and Crick proposed that DNA exists as a(n)

Accepted Answer

A) alpha helix. 
B) double helix. 
C) beta sheet. 
D) pleated sheet. 
A) alpha helix. 
B) double helix. 
C) beta sheet. 
D) pleated sheet.

Exam 16: Biochemistry

Nucleotides in nucleic acids are joined by links through the

Fats and oils are examples of

What is the complementary RNA base for the DNA base of adenine?

The bacterial DNA that is used as the splice receptor in recombinant DNA is called a

From an organic chemistry perspective,carbohydrates are polyhydroxy

The helical structure of certain proteins,such as wool,is part of the protein's

The major distinguishing feature between plant and animal cells is the chloroplast.Discuss this difference.

Changing one amino acid in a protein sequence will always have a negative effect.

A compound that has two fatty acids joined to a glycerol molecule by ester linkages is a(n)

The hydrolysis of lactose yields glucose and ________.

Discuss in very general terms how the genetic code in DNA controls the synthesis of proteins in the cell ribosomes.

Glucose contains a(n)________ functional group in addition to the hydroxyl group.

The hereditary material of all cells is found in the

If the DNA template chain contains the 5' → 3' sequence A-T-T-G-C,what will be the sequence on the newly synthesized DNA chain?

An example of a disaccharide is

The molecule that carries the amino acid to the site of protein synthesis is mRNA.

Introns are inactive portions in genes.

Which of the following base pairs is NOT found in DNA?

The monomer unit in amylopectin is ________.

Watson and Crick proposed that DNA exists as a(n)

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