🎯#2 Keystone Biochemistry: The Chemical Basis for Life

Front

What is a substance called if it speeds up a chemical reaction?

Back

A catalyst is a substance that increases the rate of a chemical reaction without being consumed in the process.

Front

What is the function of an enzyme?

Back

Enzymes speed up chemical reactions by lowering the activation energy required for the reaction to occur.

Front

What type of polysaccharide serves as a strengthening tissue in the cell wall of plants?

Back

Cellulose is a polysaccharide that provides structural support in the cell walls of plants.

Front

What are the building blocks (monomers) of proteins?

Back

Amino acids are the monomers that make up proteins.

Front

Which is the monomer-like (building block) for lipids?

Back

Fatty acids and glycerol are the components that make up lipids.

Front

What is the primary function of carbohydrates in living organisms?

Back

Carbohydrates serve as a primary source of energy and are also involved in structural functions.

Front

What are nucleotides?

Back

Nucleotides are the building blocks of nucleic acids (DNA and RNA) and consist of a sugar, a phosphate group, and a nitrogenous base.

Front

What is the role of DNA in cells?

Back

DNA stores genetic information and provides the instructions for the development and functioning of living organisms.

Front

What is the difference between saturated and unsaturated fats?

Back

Saturated fats have no double bonds between carbon atoms, while unsaturated fats contain one or more double bonds.

Front

What is a polymer?

Back

A polymer is a large molecule made up of repeating subunits called monomers.