Which macromolecules are often made of three fatty acid's bond to a glycerol molecule.

A. proteins

B. lipids

C. carbohydrates

D. nucleic asids

Explain where the energy to cook food comes from when a gas stove burns natural gas, CH4, and oxygen, O2.

If you hold two magnets together, what will happen?

A woman has filled her grocery cart with the following items: pork shoulder, a head of iceberg lettuce, wheat bread, peanut butter, and apples. From which of these items will the woman get the most essential amino acids?

a ball is tossed up in the air. at its peak it stops before beginning to fall. the ball at its peak has

Evolution occurs at which level of biological organization? select one: a. species b. cells c. individuals d. populations

How would u know if you were looking at a rock that have undergone oxidation?

Almost all organisms on Earth use sugar for energy. Sugar reacts with oxygen in cells. Is burning sugar an exothermic or endothermic reaction?

What is the function of cilia

What is friction and what is its significance in the context of air particle movement?

Energy flow through an ecosystem is one-way because