Nucleic Acids

Question 0

What is the individual subunit/ monomer of a nucleic acid?

Answer 0

Nucleotides

Question 1

Nucleotides are composed of what three subunits

Answer 1

Sugar (ribose, deoxyribose)
Phosphate group
Nitrogenous base

Question 3

Describe the bonds that hold a DNA molecule together

Answer 3

Phosphodiester bonds link nucleotides in a long chain (polymer).
Hydrogen bonds connect nitrogenous bases together (A & T, C & G)

Question 3

2 Types of nucleic acids

Answer 3

DNA and RNA

Question 4

Nucleic acids preform what function

Answer 4

Store hereditary info which controls the structural and functional characteristics of organisims

Question 6

The strands of DNA run …

Answer 6

Anti parallel - 5’ to 3’ and 3’ to 5’

Question 7

The 3’ end is used to denote

Answer 7

The hydroxyl group on the 3rd carbon of the sugar

Question 8

The 5’ end is used to denote

Answer 8

The Phosphate group off the 5th carbon in the sugar ring

Question 9

What role does RNA play

Answer 9

involved in making proteins

Question 10

How is RNA structure different than DNA

Answer 10

RNA has ribose sugar and has uracil as a nitrogenous base (not Thymine). It is also single stranded.