DNA and the production of proteins

Question 1

Describe the structure and function of DNA, stating the definition of a gene

Answer 1

DNA is a double stranded helix and carries the genetic information to make proteins.

A gene is a section of DNA that codes for ONE protein.

Question 2

Name the DNA bases and describe the complementary base pairing rule

Answer 2

The four bases in DNA are:

Adenine
Thymine
Guanine
Cytosine

Question 3

Explain the importance of the sequence of bases in the production of proteins

Answer 3

The sequence of bases is very important in DNA, as the sequence of bases in DNA will determine the amino acid sequence in a protein.

Question 4

Describe the role of mRNA in protein synthesis

Answer 4

mRNA carries a complimentary copy of DNA from the nucleus into the ribosome within the cytoplasm where proteins are made, because mRNA carries a complimentary copy of DNA it is therefore made in the nucleus.