Nuleic Acids Flashcards
(7 cards)
1
Q
What are the three components that make up a nucleotide
A
- phosphate group
- pentose sugar
- organic nitrogenous base
2
Q
Which bases are pyrimidine bases
A
Thymine , cytosine and uracil
3
Q
Which bases are purine bases
A
Adenine and guanine
4
Q
What is an autotrophic organism
A
One that converts other forms of energy into chemical energy
5
Q
What are chemoautotrophic organisms
A
Ones that use the energy derived from oxidation of electron donors eg hydrogen2
6
Q
What are photoautotrophic organisms
A
Ones that use the light energy from photosynthesis
7
Q
What are heterotrophic organisms
A
Ones that derive their chemical energy from food
