Biomolecules Test Review

What is the primary function of carbohydrates?

• Long term energy storage

• To send chemical signals to cells

• To create barriers around cells

• Short term energy source

Carbohydrates are made up of what three elements?

• Carbon, hydrogen, and nitrogen

• Carbon, hydrogen, and oxygen

• Carbon, oxygen, and phosphorus

• Hydrogen, oxygen, and potassium

The simplest carbohydrates are known as __________, meaning “one sugar”.

• Monosaccharide

• Disaccharide

• Polysaccharide

• Enzyme

What type of molecule is created when two sugars are bonded together?

• Monosaccharide

• Disaccharide

• Polysaccharide

• Enzyme

What two types of biomolecules contain the same types of atoms, but have different structural formulas?

• Carbohydrates & Proteins

• Proteins & Lipids

• Lipids & Carbohydrates

What elements are present in every lipid?

• Carbon, hydrogen, and nitrogen

• Carbon, hydrogen, and oxygen

• Carbon, oxygen, and phosphorus

• Hydrogen, oxygen, and potassium

What carbohydrate makes up the cell wall of plants?

• Glycogen

• Cellulose

• Triglyceride

• Enzyme

Which biomolecule is responsible for enzyme activity in your body?

• Carbohydrates

• Lipids

• Proteins

Which biomolecule provides long term energy storage for your body?

• Carbohydrates

• Lipids

• Proteins

What is one of the differences between saturated and unsaturated fat?

• Saturated is liquid at room temperature

• Unsaturated is solid at room temperature

• Saturated has a double bond in a fatty acid

• Unsaturated has a double bond in a fatty acid