BIO250Y Spring Lecture questions (1-48):
All questions of equal weight. Choose the
best answer. There is one and ONLY ONE correct answer per question.
1. Which statement is CORRECT?
a) Prokaryotic cells have cell walls but eukaryotic cells do not.
b) Prokaryotic cells have a very small nucleus.
c) Prokaryotic cells never have internal membranes.
d) All prokaryotic and eukaryotic cells have a plasma membrane that controls which
organic molecules and ions can enter the cell.
e) Gram-positive bacteria have an inner membrane that functions as the plasma
membrane and an outer membrane outside of the cell wall.
2. Which statement is CORRECT?
a) The largest organelle in a typical cell of a multicellular plant is the nucleus.
b) Plant cells differ from animal cells because they do not have mitochondria.
c) Plant cells differ from animal cells because they do not have a cytoskeleton.
d) Gap junctions and plasmodesmata have the same structure but are given different
names in plant and animal cells.
e) In eukaryotic cells, the endoplasmic reticulum is connected to the outer membrane of
3. Which statement is FALSE?
a) Phospholipids, glycolipids, and sphingomyelin are all polar lipids found in natural