3.1.5.1 Structure of DNA and RNA

Question 1

What is the full name for DNA?

Answer 1

Deoxyribonucleic acid

Question 2

What is the full name for RNA?

Answer 2

Ribonucleic Acid

Question 3

What does DNA do?

Answer 3

It holds genetic information.

Question 4

What does RNA do?

Answer 4

It transfers genetic information from DNA to the ribosomes.

Question 5

What are Ribosomes formed from?

Answer 5

RNA and Proteins.

Question 6

What is the basic structure of a nucleotide?

Answer 6

A Nucleotide is made up from a Phosphate,Pentose sugar and a nitrogenous base.

Question 7

What are the components of a DNA Nucleotide?

Answer 7

Deoxyribose, a phosphate group and one of the organic bases: adenine, cytosine, guanine or thymine.

Question 8

What are the components of RNA?

Answer 8

Ribose, a phosphate group and one of the organic bases adenine, cytosine, guanine or uracil.

Question 9

What type of reaction occurs between two nucleotides ?

Answer 9

A Condensation reaction.

Question 10

What type of bond forms between two nucleotides?

Answer 10

A Phosophodiester bond.

Question 11

Describe the structure of a DNA molecule.

Answer 11

A DNA molecule is a double helix with two polynucleotide chains held together by hydrogen bonds between specific complementary base pairs.

Question 12

Structure of a RNA molecule.

Answer 12

An RNA molecule is a relatively short polynucleotide chain.

Question 13

What type of bond occurs between two nitrogenous bases?

Answer 13

Hydrogen bond

Question 14

Which base pairs only with Adenine?

Answer 14

Thymine

Question 15

Which base pairs only with Guanine?

Answer 15

Cytosine