2.1.15 Nucleotides

Question 0

What is the 5 carbon sugar in RNA?

Answer 0

Ribose

Question 1

What is the 5 carbon sugar in DNA?

Answer 1

Deoxyride

Question 2

What are the 3 subunits that join to form a single nucleotide?

Answer 2

A phosphate group, 5 carbon sugar and a organic nitrogenous base

Question 3

What reaction joins the subunits together?

Answer 3

Condensation reaction

Question 4

What joins together during the condensation reaction?

Answer 4

Phosphate group and the 5 carbon sugar

Question 6

What are nucleic acids?

Answer 6

Chains of nucleotides bonded together

Question 7

How many of the bases are purines? What are they?

Answer 7

two - Adenine (A) and Guanine (G)

Question 8

How many of the bases are pyrimidines? What are they?

Answer 8

Three - Thymine (T), cytosine (C) and uracil (U)

Question 9

What causes gout?

Answer 9

Too much nucleic acid.
Excess purines broken down in the liver produces uric acid.
Too much of this is bad, it is insoluble at room temperature so forms crystals deposited in joints are extremities.