Key Area 3- DNA and production of proteins

Question 1

What shape is DNA?

Answer 1

Double helix

Question 2

What does complementary mean?

Answer 2

Only specific bases match with each other

Question 3

What is mRNA?

Answer 3

A molecule which carrys a complementary copy of the genetic code from the DNA, in the nucleus, to a ribosome where protein is assembled from amino acids

Question 4

What is a gene?

Answer 4

A section of DNA that codes for a protein

Question 5

What does DNA coil up to form?

Answer 5

Chromosomes

Question 6

Where are chromosomes located?

Answer 6

Nucleus

Question 7

What are the 4 bases called?

Answer 7

Adenine, Thymine, Cytosine, Guanine

Question 8

What base is Adenine complementary to?

Answer 8

Thymine

Question 9

What base is Cytosine complementary to?

Answer 9

Guanine

Question 10

What base is Thymine complementary to?

Answer 10

Adenine

Question 11

What base is Guanine complementary to?

Answer 11

Cytosine

Question 12

What are proteins made up of?

Answer 12

Amino acids

Question 13

What is the sequence of amino acids determined by?

Answer 13

The base sequence in the DNA

Question 14

How many bases make up 1 amino acid?

Answer 14

3 bases

Question 15

What does DNA carry?

Answer 15

Genetic information for making proteins