unit 4-7 test prep

Question 1

what does DNA stand for?

Answer 1

deoxyribonucleic acid

Question 2

functions of DNA

Answer 2

• determines development + functioning of living organisms
• controls production of proteins
• determines organism’s traits and characteristics

Question 3

structure of DNA

Answer 3

3 components :
- sugar molecule
- a phosphate group
- nitrogenous base

Question 4

nitrogenous bases

Answer 4

4 types :
- A (adenine) +T (thymine)
- C (cytosin) + G (guanine)