During what stage of photosynthesis is O2 produced?

A) cyclic photophosphorylation

B) the light-dependent reactions involving photosystems I and II

C) carbon fixation

D) the Krebs cycle

E) O2 is not produced during photosynthesis

Trauma in an "open packed" position causing obvious deformity, and a prominent greater trochanter would most likely be:

What is blood pressure? A. The pressure exerted by blood on the walls of the heart B. The pressure exerted by blood on the walls of the veins C. The pressure exerted by blood on the walls of the arteries D.

Which gas is a source of natural groundwater pollution im thinking its carbon

What are 3 taxanomical domains

Which is not true about carbohydrates? a. their monomer is a simple sugar. b. they contain carbon, hydrogen and oxygen. c. they typically contain hydroxyl groups. d. they include glycogen and cellulose. e. they have mostly ionic bonds?

In a plants stem the vascular tissue is A. is always arranged in rings of vascular bundles B. is continuous from the roots to thel leaves C. carriers nutrients up the stem but not down D. plays a role in photosynthesis and storage.

During which stage of sex cell formation does the number of chromosomes decrease from diploid (2n) to haploid (n) ? a. prophase 1 b. prophase 2 c anaphase 1 d. anaphase 2

What would most likely interest an environmental scientist

Do you believe you have a personal responsibility to protect the environment

What happens to the total charge of the compound after the ions bond together?