S1 Review: Cell Transport & Water Properties Question Preview (ID: 12052)
S1 Review: Cell Transport & Water Properties.
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Which of the following is a role of water in cells?
a) storing energy
b) regulating enzymes
c) providing immunity
d) stabilizing temperatures
Which of the following is best described as pumping ions against the concentration gradient?
a) diffusion
b) active transport
c) exocytosis
d) osmosis
Which of the following is best described as vesicles fusing with the cell membrane to release materials out of the cell?
a) phagocytosis
b) pinocytosis
c) osmosis
d) exocytosis
Which of the following is an example of passive transport?
a) facilitated diffusion
b) receptor-mediated endocytosis
c) phagocytosis
d) cotransport
Which of the following is an example of passive transport?
a) pinocytosis
b) phagocytosis
c) diffusion
d) cotransport
Which of the following is best described as two substances crossing the cell membrane together through coupled channels?
a) diffusion
b) osmosis
c) cotransport
d) phagocytosis
What similarity do phagocytosis and pinocytosis share?
a) Both processes move molecules out of cells without using energy.
b) Both processes move molecules into cells without using energy.
c) Both processes move molecules out of cells by using energy.
d) Both processes move molecules into cells by using energy.
What similarity do endocytosis and exocytosis share?
a) Both processes require energy.
b) Both processes do not require energy.
c) Both processes bring molecules into cells.
d) Both processes take molecules out of cells.
Oxygen molecules move freely across membranes until they reach equilibrium. Which of the following best describes this transport mechanism?
a) active transport
b) exocytosis
c) cotransport
d) diffusion
Which of the following are the building blocks of cell membranes?
a) water molecules
b) channels
c) phospholipids
d) membrane receptors
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