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.

An organ system consists of a group of organs that performs specific functions necessary for the survival of an organism.

Determine the mass of the rock using correct significant digits. The density of the rock is 3.678 g/mL

What makes nucleic acids different from the other bio molecules

A pond has several varieties of a species of frog that all eat the same kind of bug. Most of the frogs are fast-growing varieties that need to eat more bugs each day than the slow-growing variety.

What is the function of rna polymerase? see concept 17.2 (page 342) view available hint (s) what is the function of rna polymerase? see concept 17.

What would happen to the mass of a cell in a hypertonic, isotonic and hypotonic?

How do air and water movement, and land masses affect the climate

Under what circumstances does membrane transport always require energy?

What is one disadvantage of using plasma gasification to detoxify hazardous waste?

Euglena use which structure for movement? A. cilia B. flagella C. pseudopods D. they do not move