Final Biology Exam Review

Dehydration reactions ______.

• join polymers to form monomers

• break down polymers to form monomers

• break down monomers to form polymers

• join monomers to form polymers

Monosaccharides are the monomers for ______.

• nucleic acids

• lipids

• proteins

• carbohydrates

Amino acids are the monomers for ______.

• carbohydrates

• lipids

• proteins

• nucleic acids

Which carbohydrates are ONLY in plants?

• starch & cellulose

• cellulose & chitin

• starch & glycogen

• glycogen & cellulose

Muscle and liver cells store energy in the form of ______.

• cellulose

• glycogen

• starch

• peptidoglycan

Which of the following complex carbohydrates DOES NOT provide structure?

• chitin

• peptidoglycan

• cellulose

• starch

Which molecules form the plasma membrane surrounding a cell?

• amino acids

• phospholipids

• triglycerides

• waxes

Which of the following is an amphipathic molecule?

• triglyceride

• phospholipid

• carbohydrate

• wax

What statement about protein structure is FALSE?

• The primary structure is the sequence of its monomers.

• The secondary structure is composed of α-helices and β-sheets.

• The tertiary structure is fully folded and 3-dimensional.

• The quaternary structure is the only functional form of the protein.

Which of the following is a function of proteins?

• defense

• movement

• structure

• all of these