Chapter 5 Macromolecules Part 2
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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
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