1.1 criteria

Question 1

What does a DNA nucleotide comprise of?

Answer 1

A deoxyribose sugar, a phosphate and a base

Question 2

What is the number of carbons on a deoxyribose sugar?

Answer 2

1-5

Question 3

What holds the sugar phosphate backbone DNA together?

Answer 3

strong covalent bonds

Question 4

Is DNA double stranded or single stranded?

Answer 4

double

Question 5

Is DNA anti-parallel or parallel?

Answer 5

anti-parallel

Question 6

What are the four bases in DNA

Answer 6

A-Adenine
T-Thymine
C-Cytosine
G-Guanine

Question 7

State the complementary base pairs of:
a) Cytosine
b) Adenine

Answer 7

a) Guanine
b)Thymine

Question 8

What holds the base pairs in place?

Answer 8

Weak hydrogen bonds

Question 9

What ends are the deoxyribose and phosphate in an anti-parallel strand?

Answer 9

deoxyribose is at the 3’ end and the phosphate is at the 5’end

Question 10

What kind of chromosome does a Prokaryote contain?

Answer 10

single cellular chromosome +(small plasmid’s)

Question 11

What is a plasmid?

Answer 11

a circular piece of DNA

Question 12

What kind of chromosomes do Eukaryotes contain?

Answer 12

They have linear chromosomes held in the nucleus

Question 13

What are Eukaryotes associated proteins called?

Answer 13

Histones

Question 13

Mitochondria and chloroplasts contain what kind of chromosomes?

Answer 13

circular

Question 14

What is an example of a Eukaryote?

Answer 14

yeast cells

Question 15

What do yeast cells also contain that Eukaryotes don’t normally have?

Answer 15

plasmids