Chapter 4, Section 1 A Question Preview (ID: 2597)
The Cell In Action.
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When particles are moved through a membrane from a region of low concentration to a region of high concentration, the process is called ___.
a) diffusion
b) passive transport
c) active transport
d) fermentation
Food particles move through proteins in the cell membrane without using energy in a process called ___.
a) osmosis
b) passive transport
c) active transport
d) endocytosis
When wilted celery is soaked in water, it becomes crips again due to ___.
a) exocytosis
b) active transport
c) vesicle movement
d) osmosis
The exchange of materials between a cell and its environment takes place across cell ___.
a) mitochondria
b) membranes
c) nucleus
d) nucleolus
Because the cell membrane is made of ___, water can diffuse right through the membrane.
a) cellulose
b) ATP
c) phospholipid molecules
d) lysosomes
How would sugar enteering a cell that already contains a high concentration of sugar get throuogh a cell membrane and into a cell?
a) osmosis
b) active transportation
c) passive transportation
d) the sugar will no go from an area of low concentration to an area of high concentration
When a cell membrane surrounds a particle, enclosed it in a vesicle, and bring the particle into the cell, this is called ___.
a) osmosis
b) active transportation
c) endocytosis
d) exocytosis
When vesicles are formed at the ER or Golgi complex and they carry particles to the cell membrane for export, this is called ___.
a) osmosis
b) active transportation
c) endocytosis
d) exocytosis
The term that means "outside the cell" is ___.
a) osmosis
b) active transportation
c) endocytosis
d) exocytosis
Diffusion can take place if the two substances are ___.
a) solid
b) liquid
c) gas
d) all of the answers
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