What are the coenzymes in 1 Photosynthesis
2 Glycolysis
3 Krebs Cycle
.. Question 2
Why must the onion root stop growing at a particular stage and how is that achieved!

What happens during the experiment stage of the scientific method

Can a trait be both polygenic and have multiple alleles? explain why or why not.

Which line in the graph above best illustrates an effect of the carbon dioxide level in the blood on breathing rate before, during and after a period of exercise? 1.b,2.c,3.a,4.d