Many chemical reactions in cells take place on enzymes. The reactants bind to the enzyme until the reaction is complete. These reactants are called substrates. When the reaction is complete, the products are released.

How many chambers does the human heart have? a. one c. three b. two d. four

The most recent ice age began 5,000 years ago two to three million years ago 15,000 years ago one million years ago

Which type of macromolecule stores genetic information?

A person got his gall bladder surgically removed as he had gall stones. How will this affect his digestion? What kind of food should he refrain from eating?

What is the definition of exon in biology?

What are the three main components of biodiversity? a. Species diversity, species productivity, and species stability b. Genetic diversity, species abundance, and species evenness c. Species richness, species abundance, and species evenness d.

How can droughts lead to poverty and conflicts? Explain.

What would happen if you kept accelerating?

What are the symptoms of mumps

What is the difference between a specific and a nonspecific defense?