MICR 350 Exam 1 Practice Questions
and Answers
d. more than one - Answer-Means of motility in Cyanobacterium sp.
a. flagella
b. gliding
c. gas vesicles
d. more than one
e. b and c
f. a and c
d. O-specific polysaccharide - Answer-Antigenic portion of the lipopolysaccharide layer
a. lipid A
b. core polysaccharide
c. glycocalyx
, d. O-specific polysaccharide
e. All of these choices - Answer-The proton motive force (PMF) across a cell membrane can be used for
which of these processes?
a. Generate ATP
b. Propel the flagella
c. Transport nutrients into the cell
d. Transport molecules out of the cell
e. All of these choices
b. the alpha-helix and beta-sheet are both flexible secondary structures - Answer-Not true about
proteins. (This was not covered in class, BUT, is in "Macromolecules" ppt.)
a. primary structure affects all levels of structure
b. the alpha-helix and beta-sheet are both flexible secondary structures
c. tertiary structure is globular-shaped
d. have parts that are hydrophobic and parts that are hydrophilic
b. polar, hydrophilic heads of fatty acids point towards each other - Answer-All are components or
properties of the cytoplasmic membrane of Bacteria except
a. flexible, yet stable structure
b. polar, hydrophilic heads of fatty acids point towards each other
c. integral proteins
d. peripheral proteins
and Answers
d. more than one - Answer-Means of motility in Cyanobacterium sp.
a. flagella
b. gliding
c. gas vesicles
d. more than one
e. b and c
f. a and c
d. O-specific polysaccharide - Answer-Antigenic portion of the lipopolysaccharide layer
a. lipid A
b. core polysaccharide
c. glycocalyx
, d. O-specific polysaccharide
e. All of these choices - Answer-The proton motive force (PMF) across a cell membrane can be used for
which of these processes?
a. Generate ATP
b. Propel the flagella
c. Transport nutrients into the cell
d. Transport molecules out of the cell
e. All of these choices
b. the alpha-helix and beta-sheet are both flexible secondary structures - Answer-Not true about
proteins. (This was not covered in class, BUT, is in "Macromolecules" ppt.)
a. primary structure affects all levels of structure
b. the alpha-helix and beta-sheet are both flexible secondary structures
c. tertiary structure is globular-shaped
d. have parts that are hydrophobic and parts that are hydrophilic
b. polar, hydrophilic heads of fatty acids point towards each other - Answer-All are components or
properties of the cytoplasmic membrane of Bacteria except
a. flexible, yet stable structure
b. polar, hydrophilic heads of fatty acids point towards each other
c. integral proteins
d. peripheral proteins
