Biochemistry Quizizz Rview

Amino acids are building blocks of proteins just as

• lipids are building blocks of DNA
• DNA is building block of RNA
• monosaccharides are a building block of polysaccharides
• enzymes are building blocks of carbohydrates
• none of the above

A covalent bond is formed as the result of

• transferring electrons
• sharing electrons
• transferring protons
• sharing protons
• none of the above

A chemical bond formed by the transfer of electrons is a(n) _______________ bond.

• ionic
• covalent
• hydrogen
• helium
• none of the above

What are the building blocks for carbohydrates?

• disaccharides
• polysaccharides
• elements
• monosaccharides
• none of the above

The main function of a carbohydrate for living organisms is to…

• provide a protectice waterproof coating around the cell
• store genetic information
• provide energy
• transport materials in and out of the cell
• none of the above

What is an ion?

• only a positively charged ion
• only a negatively charged ion
• an atom with a charge
• a neutral atom
• none of the above

Carbohydrates are made up of:

• Carbon, Hydrogen, Nitrogen
• Carbon, Oxygen, Phosphorus
• Oxygen, Hydrogen, Nitrogen
• Carbon, Oxygen, Hydrogen
• none of the above

When we consume disaccharides, what must our cells do first before energy can be obtained?

• Leave the disaccharide as is because we can obtain energy in this form
• The disaccharide is too small, so our cells must make the disaccharide a polysaccharide
• The disaccharide is too big, so the cells must break the disaccharide down to a monosaccharide
• Throw the disaccharide out
• none of the above

Plants store excess carbohydrates as

• Cellulose
• Starch
• Glucose
• Glycogen
• none of the above

Humans and animals store excess sugar in the liver and muscles in the form of

• Glycogen
• Glucose
• Starch
• We don't store sugar
• none of the above