What kind of air masses form over land?

a) maritime air mass

b) polar air mass

c) continetal air mass

d) tropical air mass

Describe the conditions needed in order for any enzyme to function properly.

What happens to the molecules of a substance when heat is added to it?

The NADH that enters the Electron Transport System is produced by all of the following processes except: glycolysis transition reaction fermentation Krebs cycle

What will happen to a population of predators if there is a sudden, temporary increase in the number of prey? The population of predators will be uniform with no change. The population of predators will increase first and then decrease slowly.

The gas waste generated by many power plants is a. carbon dioxide. c. nitrogen. b. hydrogen. d. sulfur oxide.

Polymers are made of individual subunit called

What are the exergonic reactions that provide living systems with energy (give two examples) ?

The roots of a plant are usually located underground and composed of which of the following tissue systems?

You are excavating a Native American human burial site which contains both males and females. After obtaining permission from current Native American tribes believed to have descended from these people, you analyze the bones.

Cells that engulf and destroy bacteria