Biomolecules

The enzymes that catalyze cellular reactions are macromolecules made of organic compounds composed of carbon, hydrogen, oxygen, and nitrogen. These types of macromolecules are known as -

• starches

• sugars

• proteins

• fats

Tags

NGSS.HS-LS1-1

Which biomolecule's function is least likely to be affected by the order of its single-molecule units?

• DNA

• Starch

• RNA

• Protein

One function of the carbohydrate macromolecule is to store energy. Which other macromolecule also functions in storing energy?

• DNA

• Protein

• RNA

• Lipid

Many plants that grow on land store energy in the form of starch. When the plants need energy, the molecules of starch can be broken down.

Which of the following does this chemical reaction produce?

• Amino acids

• Monosaccharides

• Lipids

• Enzymes

Tags

NGSS.HS-LS1-7

Which of the following macromolecules is a prominent part of animal tissue that functions in insulation, helping animals conserve heat?

• Carbohydrates

• Lipids

• Proteins

• Nucleic acids

Which of the following is a function of a carbohydrate?

• Forms the cell wall

• Insulation

• Gene expression

• Regulates enzymes

Which of the following elements are common to all biomolecules?

I. Carbon

II. Nitrogen

III. Hydrogen

IV. Potassium

• I, III

• II, IV

• I, II, III

• I, II, III, IV

Tags

NGSS.HS-LS1-6

Large biological molecules are made up of smaller subunits. What are these smaller subunits called?

• Enzymes

• Polymers

• Monomers

• Cells

Which statement best describes the function of nucleic acids?

• Stores genetic information and helps to make proteins

• Increases the rate of chemical reactions

• Stimulates metabolism in all body cells

• Activates secretion of the body's hormones

Tags

NGSS.HS-LS1-1

NGSS.HS-LS3-1

A macromolecule is composed of glycerol and fatty acids and functions as a hormone. This molecule is a -

• phosphate

• lipid

• polysaccharide

• carbohydrate