DNA Structure AQA B6 Biology

Question 1

What does DNA stand for?

Accepted Answer

Deoxyribonucleic Acid

Question 2

The genetic code is the same for all organisms

Accepted Answer

True

Question 3

Which scientist took the famous X-ray image of DNA?

Accepted Answer

Rosalind Franklin

Question 4

What is the name of the messenger molecule which copies the DNA and carries it into the cytoplasm?

Accepted Answer

mRNA

Question 5

What shape is the DNA molecule?

Accepted Answer

double helix

Question 6

How many different possible tripeptides are there?

Accepted Answer

8000

Question 7

How many different nucleotide bases are there DNA?

Accepted Answer

4

Question 8

Which nucleotide base forms a base pair with C?

Accepted Answer

G

Question 9

How many different amino acids are there?

Accepted Answer

20

Question 10

Which cell structure carries out protein synthesis?

Accepted Answer

Ribosome

Question 11

Which type of bond holds the base pairs together on the opposing DNA strands?

Accepted Answer

hydrogen

Question 12

What are the repeating monomers in a DNA molecule called?

Accepted Answer

nucleotide

Question 13

Which nucleotide base forms a base pair with T?

Accepted Answer

A

Question 14

What are the letters of the nucleotide bases in DNA?

Accepted Answer

A,T,C,G

Question 15

How many amino acids are in a tripeptide?

Accepted Answer

3

Questions 15