Biochemistry Review

Biochemistry Review

Exam next time (4/14 & 4/16)

Dehydration Synthesis vs. Hydrolysis

• Dehydration synthesis is how your body assembles many monomers into polymers. The byproduct is water (hence you are dehydrating).

• The opposite is called hydrolysis. The is where you use water to split polymers into monomers.

Multiple Choice

Monosaccharides & Polysaccharides are examples of ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

DNA & RNA are ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

This biomolecule contains the elements C,H,O and is made up of glycerol and fatty acids.

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

This biomolecule is made up of amino acids joined by peptide bonds

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

Nucleotides are building blocks of which biomolecule

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

Found in large amounts in breads, pasta and potatoes

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

Fats, oils, waxes and cholesterol are examples of ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

Glycogen, cellulose, and starch are all ...

• Monosaccharides

• Polypeptides

• Polysaccharides

• Monomers

Multiple Choice

_________ are used for long term energy storage

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

The following are ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

C, H, O, N and P are the five elements that are found in ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

Polypeptides are ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

___________ consists of a phosphate group, 5-carbon sugar, and a nitrogen base

• Monosaccharides

• Nucleotides

• Amino Acids

• Fatty Acids

Multiple Choice

This is a building block for ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

___________ are used for short term (quick) energy

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

Sugars (saccharides) are examples of ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

The following is a ...

• Monosaccharide

• Polysaccharide

• Nucleotides

• Amino Acids

Multiple Choice

The following is ...

• Hydrolysis

• Dehydration Synthesis

• Peptide Bonds

• Hydrogen Bonds

Multiple Choice

Enzymes are used up in a chemical reaction

• True

• False

Multiple Choice

Based on the graph, what temperature range is the enzyme activity the greatest?

• 15 - 25

• 35 - 45

• 25 - 35

• 45 - 55

Multiple Choice

What occurs when an enzyme is denatured?

• The function of the enzyme increases

• The enzyme changes shape

• The substrate changes the shape

• The activation energy changes

Multiple Choice

Which is the MOST valid conclusion based on this graph?

• Enzymes are not affected by temperature

• Enzyme function decreases after a certain temperature

• Enzymes work most effectively at low temperatures

• Raising the temperatures always makes an enzyme work better

Multiple Choice

Which pH will denature the enzyme? (Think about what neutral pH)

• 5

• 6

• 8

• 10

Multiple Choice

Catalysts make chemical reactions happen ________

• Faster

• Slower

Multiple Choice

In living things, many enzymes are _______

• Carbohydrates

• Nucleic Acids

• Lipids

• Proteins

Multiple Choice

Hair, Nails, Muscles and enzymes are examples of ....

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids

Multiple Choice

C, H, O, N are the four elements found in ...

• Carbohydrates

• Proteins

• Lipids

• Nucleic Acids