An ion of calcium has a + 2 charge, and an ion of chlorine has a - 1 charge.

How many chlorine ions are needed to create a stable ionic compound with an ion of calcium?

You are a running in a race. What is one feedback mechanism that happens as you increase exercise and muscle activity?

Which process produces the most ATP per molecule of glucose? A. Anaerobic respiration in a yeast cell B. Aerobic respiration in a bacterial cell C. Glycolysis in a human liver cell D. The formation of lactic acid in a human muscle cell

What data is collected on seafloor spreading and the southern Atlantic Ocean? A. The abundance of sea life B. The age of basalt in the ocean crust C. Type of coral reefs D. Type of fossils on the seafloor

What can cause the eruption from a shield volcano to become explosive? A. Caldera collapse B. Mantle plumes C. Subduction D. Water accumulated in the vent

A farm pond, usually dry during winter, has plenty of water and aquatic pond life during the summer. one summer, sarah returns to the family farm from college.

Which of the following is the best definition of Genetics? a. The passing of traits from parents to offspring b. A child can get different forms of a trait from their parents c.

Classify each phrase as describing a competitive inhibitor, uncompetitive inhibitor, or mixed (mixed noncompetitive) inhibitor. Note that K m refers to apparent K m.

The nurse observes that a patient has an ingrown toenail that is hindering the patient's ambulation. what treatments does the nurse suggest for this patient?

What scientist is credited with proposing the principle of uniformitarianism?

When ash, cinders, and bombs build up in a steep pile around a volcano's vent, the result is a a. cinder cone volcano. b. shield volcano. c. composite volcano. d. dormant volcano.