The human body uses carbohydrates as a --

Proteins are involved in almost every chemical reaction within a cell. Special proteins known as enzymes speed up chemical reactions allowing reactions to occur often enough for life to continue. Other proteins maintain the shape of a cell or carry large molecules through the cell membrane. Although proteins can have many different functions, they are all made of the same building blocks. These building blocks that make up every protein are known as -

7. Both lipids and carbohydrates are important in animal cells because both —

What is the function of enzymes in biological systems?

Enzymes only work with specific substrates because each substrate —

Which of the following macromolecules are a prominent part of animal tissues that function in insulation, helping animals conserve heat?

Glucose is a building block of carbohydrates. Which of these best describes glucose?

Most cellular activities are processes regulated by the action of —

Most carbohydrates in the human body are

A dog gets many nutrients from its food including amino acids. Which of these can be built directly using the amino acids?

Which of these correctly matches the molecule with its function?

Proteins are formed from subunits called —

Which of these are the repeating units that form a DNA molecule?

The cell wall of plant cells is composed primarily of cellulose. Cellulose is a polysaccharide which gives the cell structure and support. Cellulose would be classified as which biomolecule?

Pepsin is a stomach enzyme that helps organisms digest proteins. An experiment was conducted to determine at which pH pepsin is most active. A valid conclusion based on the graphed data would be that pepsin —

Which statement describes the major role of lipids within a cell?