13. The enzyme that is directly responsible for almost all carbon fixation on earth is A. ATP synthase C. Phosphofructo kinase
B. PEP carboxylase D. Rubisco

How does human environment effect the biosphere

Select the true statements about eubacteria. most live as decomposers and heterotrophs. most only thrive in a narrow range of environments. certain eubacteria are responsible for food poisoning. eubacteria thrive in extreme environments.

As the pea seeds respire, the level of coloured liquid in the left hand part of the capillary tube rises. by referring to what is happening in the apparatus, explain why the level of liquid changes