What BEST describes the roles of photosystem I and photosystem II in the process of photosynthesis? O
A. They form ATP as hydrogen ions cross the thylakold membrane.
B. They absorb sunlight and distribute the energy as heat.
C. They transfer electrons from a series of intermediates to form NADPH.
D. They absorb sunlight and transfer the energy to electrons.

Which part of the cell is affected by the movement of molecules through diffusion, osmosis and active transport?

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a. m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

Albinism is an inherited genetic disorder. explain what it is meant by inherited genetic disorder