Chapter 5 Macromolecules Part 2

10 Questions | By Laward | Last updated: Mar 21, 2022 | Total Attempts: 120

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1.

The two strands making up DNA
- A.
  
  Can't be separated
- B.
  
  Contain ribose and deoxyribose in opposite strands
- C.
  
  Are held together by hydrogen bonds and Van der Waals forces
- D.
  
  Are attached through a phosphate that holds the strands together
- E.
  
  Contain "U" but not "T"
2.

Polysaccharides, lipids and proteins are similar in that they
- A.
  
  Are synthesized from monomers by the process of hydrolysis
- B.
  
  Are synthesized from monomers by the process of dehydration reactions
- C.
  
  Are synthesized by peptide bonding between monomers
- D.
  
  Are decomposed into their subunits by the process of dehydration reactions
- E.
  
  All contain nitrogen in their monomers
3.

All of the following molecules are proteins except
- A.
  
  Hemoglobin
- B.
  
  Antibodies
- C.
  
  Collagen
- D.
  
  Lysozomes
- E.
  
  Cellulose
4.

Nucleotides are to _________________, as _________________ are to proteins.
- A.
  
  Nucleic acids/amino acids
- B.
  
  Amino acids/polypeptides
- C.
  
  Genes/enzymes
- D.
  
  Polymers/polypeptides
- E.
  
  Glycosidic linkages/polypeptide linkages
5.

To turn a "nucleoside" into a "nucleotide" it would be necessary to
- A.
  
  Combine two nucleosides in dehydration synthesis
- B.
  
  Remove the pentose from the nucleoside
- C.
  
  Replace purine with pyrimidine
- D.
  
  Add phosphate to the nucleoside
- E.
  
  Replace ribose with deoxyribose
6.

If one strand of a DNA molecule has the sequence ATTGCA, the complementary strand is
- A.
  
  TAACGT
- B.
  
  UAACGU
- C.
  
  TUUCGU
- D.
  
  TAAGCT
- E.
  
  TUUGCT
7.

The structural feature that allows DNA to replicate itself is
- A.
  
  Sugar phosphate backbone
- B.
  
  Complementary base pairing
- C.
  
  Phosphodiester bonding between each side of the helix
- D.
  
  Twisting of the molecule to form an alpha helix
- E.
  
  Three part structure of nucleotides
8.

Dehydration reactions are used in the forming of
- A.
  
  Triglycerides
- B.
  
  Polysaccharides
- C.
  
  Proteins
- D.
  
  Triglycerides and proteins only
- E.
  
  All three are correct
9.

Which of the following illustrates hydrolysis?
- A.
  
  Two monosaccharides form a disaccharide and release water
- B.
  
  Two amino acids form a dipeptide using water
- C.
  
  Fat forming glycerol and fatty acids releasing water
- D.
  
  Fat forming glycerol and fatty acids using water
- E.
  
  Making a nucleotide using water
10.

All of the following are carbohydrates except
- A.
  
  Lactose
- B.
  
  Cellulose
- C.
  
  Hemoglobin
- D.
  
  Glycogen
- E.
  
  Starch