21) Which of the following is not primarily used for attachment?
A. glycocalyx
B. flagella
C. pili
D. fimbria
E. S layer
30) You have isolated DNA from an E. coli bacteria. The DNA would originate from what structures? (CIRCLE ALL THAT APPLY)
A. inner plasma membrane
B. mitochondria
C. microcompartments
D. nucleus
E. plasmids
31) Many cellular reactions require multiple enzymes. For efficiency, bacteria will package these enzymes together within:
A. fimbria
B. inclusion bodies
C. lysosomes
D. microcompartments
E. vesicles
32) Why can archaea be considered a separate domain from bacteria?
(CIRCLE ALL THAT APPLY)
A. Archaea ribosomal structure and protein synthesis are similar to eukaryotes.
B. They exhibit a novel method of DNA compaction.
C. Like eukaryotes, they contain simple, membrane-bound organelles.
D. Their cell walls are composed of different substances than bacterial or eukaryotic cell walls.
E. They contain a circular chromosome.
33) How are eukaryotic flagella different from bacterial flagella?
A. They are much bigger in size.
B. They move in a whip-like fashion, as opposed to a circular fashion.
C. They are covered by the plasma membrane.
D. A & B only
E. all of the above
36) The primary function of of the rough endoplasmic reticulum is:
A. aerobic respiration
B. the breakdown of phagocytized material
C. assembly of ribosomal subunits
D. polysaccharide and lipid modification of proteins
E. protein synthesis of membrane-bound and secreted proteins
