Honors Biology Final A

A fat that contains only single bonds is called a(n)...

• unsaturated fat
• saturated fat
• sterol
• phospholipid

What is the ratio of carbon atoms, hydrogen atoms, and oxygen atoms in a carbohydrate?

• 1:1:1
• 1:3:1
• 2:2:2
• 1:2:1

What type of lipid makes up cell membranes?

• saturated fat
• sterol
• phospholipid
• unsaturated fat

How many elements make up the majority of an organism's weight?

• 2
• 4
• 6
• 8

What type of bond is defined by the transfer of electrons?

• ionic
• covalent
• peptide
• hydrogen

What is a byproduct of creating a polypetide chain?

• CO₂
• H₂O
• C₆H₁₂O₆
• O₂

Lipids are composed of monomers called...

• monosaccharides
• polypeptides
• amino acids
• none of the above

Which of the following water properties helps organisms avoid overheating?

• polarity
• high specific heat
• high heat of vaporization
• cohesion

Water skippers are able to stand on top of the water because of...

• water skippers are less dense than water
• adhesion
• surface tension
• high specific heat

Proteins are composed of monomers called...

• monosaccharides
• polypeptides
• triglycerides
• amino acids

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