Pass (membrane) Go!
Osmosis is an example of (active or passive) transport?
Passive
Which of the following structures are not a part of the endomembrane system? (A) Rough ER (B) Mitochondria (C) Nuclear Envelope (D) Golgi (E)Lysosomes
(B) Mitochondria
What type of solution is defined by equal concentrations of solute on both sides of the membrane, with no net movement of water across the membrane?
Isotonic solution
in faciliated diffusion, ____________ speeds up the passive movement of molecules across the plasma membrane
transport proteins
True or False
Cell membranes rich in unsaturated fatty acids increase membrane fluidity
True
True or False
"Active transport involves the use of energy in order to
move molecules along its concentration gradient across a
selectively permeable membrane."
False
against its concentration gradient
True or False
"Two main functions associated with intermediate
filaments are cytoplasmic streaming and cell division"
False
*microfilaments*
Plant cells prefer to be in a _______ solution to maintain turgor (structure).
hypotonic solution
An Aquaporin is a ________ protein that helps in the diffusion of water molecules across the plasma membrane.
channel
What is the cell process called that engulfs large, solid particles in a vacuole (also called cell eating)
phagocytosis
Which type of molecules would diffuse the quickest across the plasma membrane?
(A) Water (B) Hydrophobic molecules (C) Sucrose Sugar
(B) hydrophobic molecules
What eukaryotic cell organelle consists of membranous sacs called cisternae?
Golgi body / Golgi
What happens to red blood cells when they are placed in a hypertonic solution?
Crenation
Active transport requires what kind of membrane-bound protein to pump molecules against their concentration gradient?
carrier proteins
What type of co-transport that happens when two molecules are transported by one transport protein in the same direction?
symport