Chemical Compounds in Cells

Which three elements are found in all the organic compounds that living things need?

• Carbon, Oxygen, Hydrogen

• Carbon, Nitrogen, Hydrogen

• Carbon, Oxygen, Sulfur

• Phosphorus, Oxygen, Hydrogen

Tags

NGSS.HS-LS1-6

Which of the elements that are important for living things are also found in water?

• Carbon

• Hydrogen

• Oxygen

Sugars and starches are examples of lipids.

• True

• False

An enzyme helps speed up a chemical reaction.

• True

• False

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-5

Proteins are part of cell membranes and store energy.

• True

• False

Water makes up one-third of the human body.

• True

• False

Carbohydrates direct cell functions.

• True

• False

Tags

NGSS.MS-LS1-7

NGSS.MS-LS1-2

Meat, dairy products, fish, nuts, and beans are all foods that are high in protein.

• True

• False

Which one of these is an inorganic compound?

• Oxygen

• Carbohydrate

• Water

• Carbon

Which one of these is an element found in water?

• Oxygen

• Carbohydrate

• Water

• Carbon