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Review Questions

BiologyReview Questions


Dehydration synthesis leads to formation of

  1. monomers
  2. polymers
  3. water and polymers
  4. none of the above

During the breakdown of polymers, which of the following reactions takes place?

  1. hydrolysis
  2. dehydration
  3. condensation
  4. covalent bond

An example of a monosaccharide is ________.

  1. fructose
  2. glucose
  3. galactose
  4. all of the above

Cellulose and starch are examples of:

  1. monosaccharides
  2. disaccharides
  3. lipids
  4. polysaccharides

Plant cell walls contain which of the following in abundance?

  1. starch
  2. cellulose
  3. glycogen
  4. lactose

Lactose is a disaccharide formed by the formation of a ________ bond between glucose and ________.

  1. glycosidic; lactose
  2. glycosidic; galactose
  3. hydrogen; sucrose
  4. hydrogen; fructose

Saturated fats have all of the following characteristics except:

  1. they are solid at room temperature
  2. they have single bonds within the carbon chain
  3. they are usually obtained from animal sources
  4. they tend to dissolve in water easily

Phospholipids are important components of ________.

  1. the plasma membrane of animal cells
  2. the ring structure of steroids
  3. the waxy covering on leaves
  4. the double bond in hydrocarbon chains

The monomers that make up proteins are called ________.

  1. nucleotides
  2. disaccharides
  3. amino acids
  4. chaperones

The α helix and the β-pleated sheet are part of which protein structure?

  1. primary
  2. secondary
  3. tertiary
  4. quaternary

A nucleotide of DNA may contain ________.

  1. ribose, uracil, and a phosphate group
  2. deoxyribose, uracil, and a phosphate group
  3. deoxyribose, thymine, and a phosphate group
  4. ribose, thymine, and a phosphate group

The building blocks of nucleic acids are ________.

  1. sugars
  2. nitrogenous bases
  3. peptides
  4. nucleotides
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