DNA And RNA

Question 1

Label a diagram of DNA.

Answer 1

Check notes.

Question 2

Label a diagram of RNA.

Answer 2

Check notes.

Question 3

Write a complementary strand of DNA given chargaff’s rule.

Answer 3

Check notes.

Question 4

Write a complementary strand of RNA given chargaff’s rule.

Answer 4

Check notes

Question 5

Location and function - mRNA.

Answer 5

Forms in the nucleus, travels to the ribosome.

Serves as a messenger for the protein code.

Question 6

Location and function - tRNA.

Answer 6

Found in the ribosome and the cytoplasm.

tRNA with the right anti-codon brings the correct amino acid to the ribosome.

Question 7

Location and function - rRNA.

Answer 7

Found in the ribosome.

Make up the ribosome.

Question 8

What is the relationship between DNA, genes and chromosomes?

Answer 8

Genes are pieces of DNA that code for protein. Chromosomes are made up of tightly-wound strands of DNA.
Also look at notes.

Question 9

Why would being able to analyse DNA in laboratory conditions be significant in society?

Answer 9

Identifying criminals
Paternity tests
Diagnosing and treating disease
Agriculture (produces livestock and crops more resistant to disease)