Bio II- Cell Transport Question Preview (ID: 16641)
Review On Diffusion And Osmosis.
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Passive processes that move substances across membranes:
a) utilize ATP
b) employ protein pumps
c) require no ATP
d) include exocytosis and endocytosis
Osmosis transports water across membranes using:
a) ATP
b) solute pumping
c) vesicles
d) protein channels
What assists the movement of substances by facilitated diffusion?
a) ATP
b) protein carrier or channel
c) lysosomes
d) solute pumps
Which of the following DO NOT involve the movement of molecules from an area of greater concentration to an area of lower concentration?
a) simple diffusion
b) facilitated diffusion
c) osmosis
d) active transport
Which of the following processes require the use of protein carriers or channels?
a) facilitated and simple diffusion
b) bulk transport and facilitated diffusion
c) simple diffusion and osmosis
d) active transport (solute pumping) and facilitated diffusion
Which of the following solutions would cause an animal cell to gain water and potentially burst?
a) hypotonic
b) isotonic
c) hypertonic
d) intravenous
Which of the following solutions would cause an animal cell to lose water and shrivel?
a) hypotonic
b) isotonic
c) hypertonic
d) intravenous
Which of the following solutions is ideal for animal cells?
a) hypotonic
b) isotonic
c) hypertonic
d) intravenous
Which of the following solutions would cause a plant cell's cytoplasm to shrink?
a) hypotonic
b) isotonic
c) hypertonic
d) intravenous
Which of the following solutions would cause a plant cell to become stiff?
a) hypotonic
b) isotonic
c) hypertonic
d) intravenous
Which of the following solutions is ideal for plant cells?
a) hypotonic
b) isotonic
c) hypertonic
d) intravenous
Which of the following structures regulates what enters and leaves a cell?
a) plasma membrane
b) mitochondria
c) endoplasmic reticulum
d) ribosomes
Which of the following is not something that is transported *IN* to the cell through the cell membrane?
a) water
b) oxygen
c) sugars
d) carbon dioxide
Which of the following describes the structure of the plasma membrane?
a) a double phospholipid layer with protein channels
b) two layers of proteins with phospholipid channels
c) a single layer of phospholipids
d) a single layer of proteins
One end of the phospholipid is _____, which means that it attracts water.
a) hydrophobic
b) hydrophilic
c) hydrotonic
d) isotonic
One side of the phospholipid is _____, which means that it repells water
a) hydrophobic
b) hydrophilic
c) hydrotonic
d) isotonic
Simple and facilitated diffusion require ATP.
a) true
b) false
c)
d)
Which of the following materials CANNOT pass through the cell membrane directly?
a) fats
b) oils
c) oxygen
d) sugars
Osmosis is a type of diffusion that deals only with water molecules.
a) true
b) false
c)
d)
Plant cells become stiff, or plasmolyzed, when they take on too much water.
a) true
b) false
c)
d)
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