A2 biology essay - cycles in biology

i have a bio essay to do tommorrow with the title 'cycles in biology' and i have to write a plan for it tonight... i don't really know what to write about...can anyone help??? :confused:

Reply 1

Gaz031

indyrock*star*

i have a bio essay to do tommorrow with the title 'cycles in biology' and i have to write a plan for it tonight... i don't really know what to write about...can anyone help??? :confused:

The main ones are:
Krebs cycle.
Calvin cycle.
Nitrogen cycle.
Carbon cycle.

Reply 2

froggymills

Isn't tommorow Saturday?
You mean an essay at school?

Reply 3

kpg

There are lots of cycles you can write about :

Nitrogen
Carbon
Krebs of respiration
Light independent of photosynthesis
Cardiac
Cell cycle
Cell Division
Menstrual

Reply 4

username18215

Orithine cycle (deamination and all that malarky)