The word meter derives from a Greek word that means:

Explain the meaning of the statement: "Tonicity is only useful as a comparative term."

Escherichia coli is classified as

The flap of elastic cartilage that protects food from entering the larnyx is called the

What is a flame cell? What is it's purpose?

What is an aqueous solution

A colony of termites was exposed to an atmosphere of 100 percent oxygen for three days. the insects were not immediately harmed by the treatment, but the protozoa that lived in the termites' guts were eliminated.

suppose that the amino acids that make up an enzyme's active site are changed. how might this change affect the enzyme?

Which explains how wind causes upwelling in the oceans? A. Wind near the coastline blows cold surface water away from land. Deeper, nutrient-rich, warm water flows upward to replace the surface water. B.

Which organelle breaks down sugar molecules that supply energy to the cell? a. Golgi apparatus b. nucleus c. endoplasmic reticulum d. mitochondrion

A scientist estimated that a mixture would need 5 milliliters of a chemical to balance. The actual amount needed was 7 milliliters. What was the percent error of the scientist's estimation?