paper 3 preparation Flashcards
1
Q
Define oxygenic
A
generating oxygen
2
Q
Define anoxygenic
A
Photosynthesis that does not produce oxygen
3
Q
Define anthropocentric
A
Belief that human beings are the central or most important beings on earth
4
Q
Define a photon
A
A photon is a particle representing a quantum of light or other electromagnetic radiation
5
Q
Define a free radical
A
An atom, ion or molecule with at least one unpaired electron
6
Q
Define oxidative stress
A
Oxidative stress is the imbalance between free radicals and antioxidants in your body
7
Q
Define antioxidants
A
Antioxidants are compounds that inhibit oxidation
