How do electrons gain energy in photosystem 1?

a. They absorb photons.

b. They use energy in the form of glucose.

c. They take energy from ATP molecules.

d. They use energy from a hydrogen ion pump.

How are continental drift and plate tectonics related?

Summarize the four concepts collectively known as the "cell theory"

Which term describes a group of cells that are similar and work together? tissue organism organ system

Which of the following is an that a farmer would see when using a genetically engineered crop introducing chemicals in the environment increasing an animals resistance to antibiotics increasing the amount of crop harvested reducing the resistance of

The surface of a bone that articulates with another bone (forming a joint) is covered with

Which class of immunoglobulins sensitizes cells to allergens?

Which statement about somatic mutations is true? A. They exist in all the cells of the body. B. They are acquired through exposure to mutagens. C. They are inherited via sperm and egg cells. D. They are passed on to offspring.

In year three the farmer discontinue the use of the insecticide Which statement would best predict the population in generation 4

What happens to carbon atoms during cellular respiration or fermentation?

How are photosynthesis and chemosynthesis similar?