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Biology

Review Questions

BiologyReview Questions

Review Questions

4.

Dehydration synthesis leads to formation of

  1. monomers
  2. polymers
  3. water and polymers
  4. none of the above
5.

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

  1. hydrolysis
  2. dehydration
  3. condensation
  4. covalent bond
6.

An example of a monosaccharide is ________.

  1. fructose
  2. glucose
  3. galactose
  4. all of the above
7.

Cellulose and starch are examples of:

  1. monosaccharides
  2. disaccharides
  3. lipids
  4. polysaccharides
8.

Plant cell walls contain which of the following in abundance?

  1. starch
  2. cellulose
  3. glycogen
  4. lactose
9.

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
10.

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
11.

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
12.

The monomers that make up proteins are called ________.

  1. nucleotides
  2. disaccharides
  3. amino acids
  4. chaperones
13.

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

  1. primary
  2. secondary
  3. tertiary
  4. quaternary
14.

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
15.

The building blocks of nucleic acids are ________.

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