AP Biology Biochemistry Review

Which of the following is not a property of carbon?

• carbon to carbon bonds are limited to single bonds

• carbon has four valence electrons

• carbon can form bonds to various other atoms

• carbon to carbon bonds are strong

Tags

NGSS.HS-PS1-1

Carbohydrate molecules:

• Serve as structural components of human cell walls

• form the regulatory compounds known as enzymes

• are a source of energy

• carbon to carbon bonds are strong

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NGSS.HS-LS1-6

NGSS.HS-LS1-7

The process illustrated in the figure is called:

• condensation

• protein synthesis

• hydrolysis

• dehydration synthesis

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NGSS.HS-LS1-6

The products of the process in the figure shown are:

• monosaccharides

• molecules of glycerol

• representative of a glycoside linkage

• enzymes

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NGSS.HS-LS1-6

In which of the following reactions must the equivalent of a water molecule be added in order to break a bond?

• fatty acids + glycerol --------> fat

• glucose + fructose ----------> sucrose

• glycogen ------------> glucose

• alanine + glycine ----------> dipeptide

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NGSS.HS-PS1-4

Which of the following illustrated hydrolysis?

• The reaction of two monosaccharides to form a disaccharide

• the reaction of two amino acids to form a dipeptide

• the reaction of a hydrogen atom and a hydroxide ion to form water

• the reaction of fat to form glycerol and fatty acids

Tags

NGSS.HS-PS1-2

A molecule of saturated triacylglycerol (aka triglyceride) contains:

• the maximum number of double bonds between carbons in the fatty acid chains

• the maximum number of triple bonds between carbons in the fatty acid chain

• the maximum number of hydrogen atoms in the fatty acid chain

• alternating single and double bonds between carbons in the fatty acid chain

In the figure shown, ionic attractions would form between the R groups of which amino acids?

• 1 and 3

• 2 and 4

• 3 and 5

• none of the above

Which of the following is responsible for the alpha-helical structure of proteins?

• hydrophobic interactions

• nonpolar covalent bonds

• ionic interactions

• hydrogen bonds

At which level of protein structure are peptide bonds most important?

• primary

• secondary

• quaternary

• globular