Biochemistry & Digestive System

Which of the following are macromolecules (macro=big)?

(check all that apply)

• lipid

• protein

• carbohydrate

• water

Which substance can enter a cell by diffusion without having to be digested first?

• lipids

• proteins

• carbohydrates

• water

Water is classified as an inorganic compound because it:

• does not contain carbon

• does not contain nitrogen

• contains hydrogen

• contains oxygen

Tags

NGSS.MS-PS1-1

Plants store carbohydrates in the form of:

Tags

NGSS.MS-LS1-7

The building blocks of proteins are called:

Tags

NGSS.HS-LS1-6

When the body digests, or breaks down, a carbohydrate, (such as starch) which substance will increase in concentration?

• fat

• glucose

• amino acids

• water

Tags

NGSS.MS-LS1-7

Which type of reaction combines smaller molecules to build larger molecules?

• digestion

• synthesis

Tags

NGSS.MS-LS1-7

Enzymes are examples of organic molecules known as:

• nucleic acids

• carbohydrates

• proteins

• lipids

Tags

NGSS.HS-LS1-6

Catalyst is another word for:

• acid

• substrate

• enzyme

• base

Which process requires cellular energy?

• passive transport

• diffusion

• osmosis

• active transport