2.3.1 Passive Transport
Quiz by Zhao
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- Q1
______is a state of relatively constant internal physical and chemical condition.
homeostasis
30s - Q2
The process by which particles move from an area of higher concentration to an area of lower concentration is know as _________
diffusion
30s - Q3
The movement of molecules across the cell membrane without using cellular energy is called __________________.
passive transport
30s - Q4
In ____________, molecules that cannot directly diffuse across the membrane pass through special protein channels.
facilitated diffusion
30s - Q5
Proteins in the cell membrane act as carriers, or ________, making it easy for certain molecules to cross.
channels
30s - Q6
Many cells contain water channel proteins, known as ___________ , that allow water to pass right through them.
aquaporins
30s - Q7
___________ is the diffusion of water through a selectively permeable membrane.
osmosis
30s - Q8
_______________ = above strength,
hypertonic
30s - Q9
______________ = below strength.
hypotonic
30s