BIOD 151 FINAL EXAM PORTAGE LEARNING
EXAM QUESTIONS WITH CORRECT
ANSWERS 2026/2027 LATEST UPDATE
Which of the following is NOT true concerning a cell wall?
Cell walls are found mainly in plants and bacteria.
Bacteria and plants contain mul!ple layers of cellulose fibers.
Cell walls act as protec!on for bacteria.
Bacterial cell walls contain peptidoglycan structures.
ANS--Bacteria and plants contain mul!ple layers of cellulose fibers.
Fill in the blank: ______ is the diffusion of relatively larger lipid
insoluble (polar) molecules through the cell membrane with the
assistance of integral carrier
ANS--Facilitated Diffusion
Match each term with the correct definition concerning water
solutions in cells.
Osmosis=
, Isotonic=
Hypertonic=
Hypotonic=
ANS--Osmosis=The diffusion of water
Isotonic=Refers to an equal amount of solute on either side of a
membrane
Hypertonic= The solution contains more solute particles than the cell
and has a lower water concentration.
Hypotonic=Solute particles outside of a cell are of lesser
concentration than inside of the cell.
Are the following statements true or false concerning the sodium-
potassium pump in cell membranes?
It requires ac!ve transport.
ANS--True
Define the body movement involved in retraction and protraction.
ANS--retraction is the movement towards the back of the body (ex:
moving your shoulders backwards)
EXAM QUESTIONS WITH CORRECT
ANSWERS 2026/2027 LATEST UPDATE
Which of the following is NOT true concerning a cell wall?
Cell walls are found mainly in plants and bacteria.
Bacteria and plants contain mul!ple layers of cellulose fibers.
Cell walls act as protec!on for bacteria.
Bacterial cell walls contain peptidoglycan structures.
ANS--Bacteria and plants contain mul!ple layers of cellulose fibers.
Fill in the blank: ______ is the diffusion of relatively larger lipid
insoluble (polar) molecules through the cell membrane with the
assistance of integral carrier
ANS--Facilitated Diffusion
Match each term with the correct definition concerning water
solutions in cells.
Osmosis=
, Isotonic=
Hypertonic=
Hypotonic=
ANS--Osmosis=The diffusion of water
Isotonic=Refers to an equal amount of solute on either side of a
membrane
Hypertonic= The solution contains more solute particles than the cell
and has a lower water concentration.
Hypotonic=Solute particles outside of a cell are of lesser
concentration than inside of the cell.
Are the following statements true or false concerning the sodium-
potassium pump in cell membranes?
It requires ac!ve transport.
ANS--True
Define the body movement involved in retraction and protraction.
ANS--retraction is the movement towards the back of the body (ex:
moving your shoulders backwards)
