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Glycolipid is defined as ___________ that is bound to a carbohydrate.
any membrane lipid
Facilitated diffusion is the __________ transport of ions and polar molecules through a membrane.
facilitated
A hypotonic solution has __________ solute concentrations than another solution.
lower
An isotonic solution has __________ solute concentrations compared to another solution.
the same
A hypertonic solution has __________ solute concentration than another solution.
higher
Uniport refers to transporting __________ in one direction.
1 molecule
Symport proteins move __________ molecules in the same direction.
2 different
Antiport proteins move __________ molecules in __________ directions.
2 different; 2 different
Integral proteins are embedded in the __________.
lipid bilayer
Peripheral proteins are found on the __________ of the membrane.
surface
Endocytosis involves __________ large molecules into the cell.
bringing
Exocytosis is when vesicles move through the cell and __________ with the cell membrane.
fuse
Pinocytosis is also known as __________.
cell drinking
Phagocytosis refers to __________ by the cell.
cell eating
The functions of the cell membrane include transportation of materials, cell recognition, and __________.
communication between cells
Phospholipids have __________ fatty acid tails linked to a glycerol backbone with a phosphate group.
2
The heads of phospholipids are __________, while the tails are __________.
hydrophilic; hydrophobic
Sterols are known to act as __________ in the membrane.
stabilizers
Active transport requires __________ to move substances against a gradient.
energy (ATP)
Facilitated diffusion allows substances to move __________ their concentration gradient.
down
Passive transport occurs from __________ to __________ concentrations.
high; low
In a hypertonic solution, cells will __________ due to water moving out.
shrivel
In a hypotonic solution, animal cells may __________ due to water moving in.
lyse (burst)
The phospholipids' unsaturated tails lead to greater __________ in the membrane.
fluidity
High temperatures can help keep __________ together in the membrane.
phospholipids
