Cell life - 1.3 DNA and the Production of Proteins

Question 1

What is the structure of DNA ?

Answer 1

A double-stranded helix held by complementary base pairs

Question 2

What does DNA carry ?

Answer 2

DNA carries genetic information for making proteins

Question 3

What are the 4 complement bases that make 2 pairs ?

Answer 3

Adenine
Cytosine
Guanine
Thymine

Question 4

In the double strand what bases are always paired together ?

Answer 4

Adenine - Guanine
(A) (G)

Cytosine - Thymine
(C) (T)

Question 5

What is the sequence of bases along as strand called ?

Answer 5

A genetic code

Question 6

What does a base sequence determine ?

Answer 6

Amino acids sequence in proteins

Question 7

What is a section of DNA that codes for proteins ?

Answer 7

A gene is a section of DNA that codes for proteins

Question 8

What molecule carries a complimentary copy of the genetic code from the DNA in the nucleus to a ribosome where the protein is assembled from amino acids ?

Answer 8

Messenger RNA
(mRNA)