The Structure Of DNA

Question 1

What is DNA made up of?

Answer 1

Nucleotides

Question 2

What do DNA nucleotides consist of?

Answer 2

A deoxyribose sugar
Phosphate
Base

Question 3

Describe the back bone of DNA

Answer 3

Sugar phosphate backbone

Question 4

Describe the base pairing rule

Answer 4

Adenine-thymine

Guanine-cytosine

Question 5

What bonds hold bases together?

Answer 5

Hydrogen bonds

Question 6

What is the structure of DNA?

Answer 6

Double stranded
Anti parallel
Double helix

Question 7

Where is the deoxyribose sugar found at the strand?

Answer 7

3’ end

Question 8

Where is the phosphate found?

Answer 8

5’ end

Question 9

What does the base sequence of DNA form?

Answer 9

Genetic code

Question 10

Describe DNA in prokaryotes

Answer 10

Single, circular chromosomes

Small circular plasmids

Question 11

Describe DNA in eukaryotes

Answer 11

Linear chromosomes- found in nucleus

Question 12

What are the linear chromosomes coiled and packaged around?

Answer 12

Associated proteins- histones

Question 13

Where else can DNA be found in eukaryotes?

Answer 13

Circular chromosomes can be found in chloroplasts and mitochondria

Question 14

Why is yeast a special type of eukaryote?

Answer 14

Only eukaryote to contain plasmids