Biological and Chemical Label

Which of the following biological molecules contains the elements carbon, hydrogen and oxygen?

I. carbohydrates

II. proteins

III. fats

• I and II only

• I and III only

• II and III only

• I, II and III

Which of the following biological molecules contains the element nitrogen?

• carbhydrates

• proteins

• fats

• all of the above

What is the function of protein in the body?

• cell growth and repair

• energy storage

• quick energy

• pushes food through the digestive system

Tags

NGSS.MS-LS3-1

Which of the following biological molecules has a role in energy storage?

• protein

• carbohydrate

• fat

• vitamins

Which of the following molecules is a quick source of energy?

• carbohydrate

• fat

• protein

• water

Which of the following is a good solvent in the body?

• fat

• protein

• carbohydrate

• water

Water acts as a solvent in the body.

Which of these body processes are possible because water is a solvent?

I. transport of materials

II. digestion

III. excretion of waste

• I and II only

• I and III only

• II and III only

• I, II and III

Which carbohydrate strengthens plant cell walls?

• glucose

• starch

• glycogen

• cellulose

Which carbohydrate is stored in animal cells?

• glycogen

• starch

• glucose

• cellulose

Which carbohydrate is used for respiration?

• cellulose

• glucose

• starch

• glycogen

Tags

NGSS.HS-LS1-7