what is a carbohydrate?

is an organic compound such as sugar or starch, and is used to store energy.

What is a monosaccharide?

is a simple sugar such as fructose or glucose.

What is a polysaccharide?

is a complex carbohydrate that forms when simple sugars bind together in a chain.

What is a protein?

is an organic compound made up of small molecules called amino acids.

What are organisms ?

individual living thing.

What is a polypeptide?

chain of amino acids that alone or with other such chains makes up a protein.

What are Enzymes?

a protein that acts as a biological catalyst, increasing the rate of a biochemical reaction.

What is a lipid ?

is an organic compound such as fat or oil.

What is the role lipids?

Organisms use them to store energy,

Do plants or animals use saturated fatty acids to store energy?

Animals

Do plants or animals use unsaturated fatty acids to store energy.

Plants

What is nucleic acid?

an organic compound, such as DNA or RNA

What is a chemical reaction?

a process that changes some chemical substances into others.

What is a catalyst?

a substance that increases the rate of a chemical reaction by lowering the activation energy without being used up in the reaction.