The Theory of spontaneous generation was?

The resting cell normally has a net negative charge with respect to the outside of the cell. what is this state called?

Match these items. 1. new varieties of roses animal husbandry 2. new varieties of chickens archaeology 3. beginnings philosophy 4. a body of personal ideas and opinions plant breeding 5. ancient history, cultures origin

There are three major mechanisms for regulating the amount of enzyme and four for regulating the enzyme activity. List the three and the four mechanisms for regulating enzyme amount and activity, respectively.

List two Important things that a cell membrane does

A muscle contraction usually begins when

The growth of organisms in an ecosystem can be limited by the amount of water and light the ecosystem receives. a. True b. False

What is the most likely cause of plate movement? A) radiation from the sun B) cold air currents on earths surface C) heat convection within the earth D) movement of ice sheets

The closer together a magnet's magnetic field lines are, a. the weaker the magnetic field. b. the stronger the magnetic field. c. the closer they are to the magnet's center. d. the closer they are to disappearing.

What are two things that carbohydrates and lipids have in common? A. Both contain C, H, O and N and are formed by dehydration snythesis. B. Both contain C, H, O and serve as a source of energy. C.

Stellar equilibrium is a balance between what two things? A. Outward and inward gravity. B. Outward pressure from light and inward pressure from heat. C. Outward pressure from hydrogen and inward helium. D. Outward pressure and inward gravity