Biological Molecules

The framework of all organic macromolecules is made of straight chains, branched chains, and rings of

• Hydrogen

• Carbon

• Oxygen

• Phosphorous

• Nitrogen

Which of the following represents the correct ranking of terms from smallest to largest

• Polymer→monomer→carbon atom

• Carbon atom→polymer→monomer

• Monomer→carbon atom→polymer

• Carbon atom→monomer→polymer

Protein's function is

• makes membranes

• controls chemical reactions

• provides energy

• contains genetic material

Tags

NGSS.HS-LS1-1

Nucleic acid's function is

• makes membranes

• controls chemical reactions

• provides energy

• contains genetic material

Which of the following is NOT considered to be one of the large groups of biomolecules?

• Carbohydrates

• Enzymes

• Lipids

• Nucleic Acids

• Proteins

The Benedicts test shows an orange color when a simple sugar is present. Why would sucrose not show a positive (orange) result with the Benedict's test?

• It's not any type of sugar

• It is a polysaccharide

• It's not a simple sugar

• It's an enzyme

Which of the following is false about enzymes?

• each enzyme can digest more than one substrate

• enzymes are required in small amounts

• enzymes help to speed up reactions

• enzymes do not change after a reaction

Which of the following statements are FALSE about enzymes?

• 1 and 2

• 1 and 3

• 2 and 3

• 1, 2 and 3

Which of the following are uses of carbohydrates?

provides energy

transport nutrients

make cellulose cell wall

• and 2

• and 3

• and 3

• , 2 and 3

Tags

NGSS.MS-LS2-3

The most abundant molecule in most living things is

• hydrogen

• carbon

• carbon dioxide

• water