LESSON 1-4: CELLULAR CHEMISTRY.
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Activation energy - Answer: energy that is needed to get a reaction started
Amino acid - Answer: compound with an amino group on one end and a carboxyl group
on the other end
Carbohydrate - Answer: compound made up of carbon, hydrogen, and oxygen atoms;
type of nutrient that is the major source of energy for the body
Catalyst - Answer: substance that speeds up the rate of a chemical reaction
Chemical reaction - Answer: process that changes, or transforms, one set of chemicals
into another set of chemicals
Enzyme - Answer: protein catalyst that speeds up the rate of specific biological
reactions
Lipid - Answer: macromolecule made mostly from carbon and hydrogen atoms;
includes fats, oils, and waxes
Monomer - Answer: small chemical unit that makes up a polymer
Monosaccharide - Answer: simple sugar molecule
Nucleic acid - Answer: marcomolecules containing hydrogen, oxygen, nitrogen, carbon,
phosphorus
Nucleotide - Answer: subunit of which nucleic acids are composed; made up of a 5-
carbon sugar, a phosphate group, and a nitrogenous base
1
APPHIA - Crafted with Care and Precision for Academic Excellence.
Quality content you can rely on!
Activation energy - Answer: energy that is needed to get a reaction started
Amino acid - Answer: compound with an amino group on one end and a carboxyl group
on the other end
Carbohydrate - Answer: compound made up of carbon, hydrogen, and oxygen atoms;
type of nutrient that is the major source of energy for the body
Catalyst - Answer: substance that speeds up the rate of a chemical reaction
Chemical reaction - Answer: process that changes, or transforms, one set of chemicals
into another set of chemicals
Enzyme - Answer: protein catalyst that speeds up the rate of specific biological
reactions
Lipid - Answer: macromolecule made mostly from carbon and hydrogen atoms;
includes fats, oils, and waxes
Monomer - Answer: small chemical unit that makes up a polymer
Monosaccharide - Answer: simple sugar molecule
Nucleic acid - Answer: marcomolecules containing hydrogen, oxygen, nitrogen, carbon,
phosphorus
Nucleotide - Answer: subunit of which nucleic acids are composed; made up of a 5-
carbon sugar, a phosphate group, and a nitrogenous base
1
APPHIA - Crafted with Care and Precision for Academic Excellence.
