2.2.1 - Nucleotides & Phosphodiester Bonds

Question 1

What Are RNA & DNA Types Of?
(2 Points)

Answer 1

~ Nucleic acids.

~ Polymers, made up of many repeating units called nucleotides.

Question 2

What Is The Structure Of Mononucleotides?
(3 Points)

Answer 2

~ Pentose sugar.

~ Nitrogen-containing organic base.

~ Phosphate group.

Question 3

Describe A DNA Nucleotide
(3 Points)

Answer 3

~ Deoxyribose with a sugar at the 2’ position.

~ Phosphate group.

~ A-T, C-G.

Question 4

Describe An RNA Nucleotide
(3 Points)

Answer 4

~ Ribose sugar with a (OH) at the 2’ position.

~ Phosphate group.

~ A-U, C-G.

Question 5

What Are Polynucleotides?

Answer 5

Polymer of mononucleotides.

Question 6

How Does A Mononucleotide Form A Polynucleotide?

Answer 6

They are joined through condensation reactions, between the phosphate of one mononucleotide and the sugar group of another.

Question 7

What Does A Condensation Reaction Between Two Mononucletides Form?

Answer 7

Phosphodiester bonds.

Question 8

What Is A Sugar-Phosphate Backbone?

Answer 8

Chain of alternating phosphate groups and pentose sugars produced as a result of many phosphodiester bonds.