Qualities of a stone that make it a gemstone. A. usefulness, profitability B. lightness, durability C. ilmenite, rutile D. automobiles, aircraft E. beauty, rarity

If the potassium leak channels are blocked, what will happen to the membrane potential? (a) The interior of the cell will become less negative (b) The interior of the cell becomes less positive (c) The exterior of the cell becomes less negative (d)

Describe the location and cellular composition of the olfactory epithelium

A cup of coffee sits on the dashboard of an automobile. The car goes around a sharp curve. Even though you hold the cup still, coffee still splashes out. This can best be explained due to?

What does the pH scale measure? What number is neutral? Basic? Acidic?

Which of the following represents the chemical reaction of hydrobromic acid and chlorine to produce hydrochloric acid and bromine? A. hydrobromic acid + chlorine → hydrochloric acid + bromine B.

Would you expect to see more biodiversity among members of a phyla or among members of a class? why?

What is ameba and how does it move?

Using the Punnett squares, determine the possible blood types of the offspring and the ratio of phenotypes when: a) Father is type O, and mother is type AB. b) Father is type A, heterozygous, and mother is type B heterozygous.

Which term refers to the final stage in a forest's development

Most of the nitrogenous waste in the body is a result of: A. fat metabolism B. protein metabolism C. carbohydrate metabolism D. erythrocyte breakdown