Key Area 3: DNA and the production of proteins

Question 1

DNA

Answer 1

Is a double stranded helix held by complementary base pairs. It carries the genetic information for making proteins

Question 2

Double helix

Answer 2

Held by complementary base pairs?

Question 3

Complementary

Answer 3

A double stranded helix is help together by complementary base pairs

Question 4

Base pairs

Answer 4

Adenine, Cytosine, Guanine, Thymine

Question 5

Adenine pairs?

Answer 5

Thymine

Question 6

Thymine pairs?

Answer 6

Adenine

Question 7

Cytosine pairs?

Answer 7

Guanine

Question 8

Guanine pairs?

Answer 8

Cytaoine

Question 9

Base sequence

Answer 9

6 steps

Question 10

Amino acid

Answer 10

Fundamental molecules that make up proteins

Question 11

Gene

Answer 11

a region of DNA that codes for the sequence of amino acids in a protein

Question 12

messenger RNA (mRNA)

Answer 12

Is a molecule which carries a complementary copy of the genetic code from the DNA in the nucleus to a ribosome where the proteins is assembled from amino acids.

Question 13

The sequence of DNA bases contains the

Answer 13

genetic instructions that control inherited characteristics

Question 14

A gene is

Answer 14

a region of DNA that codes for the sequence of amino acids in a protein

Question 15

The sequence of amino acids in a protein determines

Answer 15

the structure and function of that protein