Which of the following events is a part of the light reaction of photosynthesis ?
a - production of carbohydrates
b - splitting up of the water molecules
c - release of the carbon dioxide.

Pulmonary arteries carry highly oxygenated blood. true or false?

Which of the following is most likely the result of an organism having lipids in its body a) water cannot be absorbed through the surface of a leaf b)human eats fruits to get a quick source of energy c) a sheep sleeps for more hours in the winter d) a warm river is filled with fish and algae

Abacteriophage typically attaches to the bacterium and then