In diffusion, movement of particles across a membrane is driven by differences in

A. size.

B. shape.

C. concentration.

D. force.

Does water cover more or less than 50% of the Earth's surface?

Explain how carnivores might be affected if the main plant species in a community were to disappear

American Spoon is a small company in Petoskey, Michigan that uses fruit from local farmers to handcraft gourmet fruit preserves and condiments in small batches. Where would you first use this information in the strategic management process? a.

Antioxidants work by stabilizing free radicals or opposing oxidation, therefore protecting our cells from damage. There are certain minerals that function within complex antioxidant enzyme systems and are called what:

How are proteins different than polypeptides?

Which one question can be answered using the scientific process? A-should grocery stores be forced to use paper bags B-how much water does it take to make a plastic bag C-should the government be allowed to ban plastic bags D-how should people be

What are the 7 primary organs tissues for lymphatic

What term is used to describe the number of individuals per unit area? A. carrying capacity B. population density C. population coverage

What organic molecule is most important as the source of building blocks for cell structure and least important it's role as an energy source

Which statement is correct about two objects that have gravitational force? A. They have mass B. They move slowly C. They are round in shape D. They have high temperature