BIO UNIT 2 Section 1
Card Set Information
BIO UNIT 2 Section 1
BIO UNIT 2
What does a Phospholipid contain.
Phosphate, glycerol and is polar (Hydrophilic)Head
Fatty acid tail (Hydrophobic) tail
What makes has regions that are hydrophilic and others hydrophobic and makes up the cell membrane.
O2, CO2, & N2 are ____ permeability in the cellular membrane.
Na+, Cl-, & K+ have ___ permeability in the cellular membrane.
H2O & Glycerol are _____ permeable in the cellular membrane.
______ of fatty acid tails lowers permeability in the cellular membrane.
_____ in cell membranes lowers fluidity
______ lower fluidity w/ reduced temp due to pack of fatty acid tails.
_______ tails increase permeabilty
_____ is when molecules tend to move spontaneously from high concentration to low concentration.
______ is the diffusion of water molecules.
When there is A LOT of a solute around a cell the cell is in a ______ _______ solution and will _____
Hyper Tonic, Shrivel
When there is TO LITTLE of a solute around a cell the cell is in a ______ _______ solution and will _____
Hypo Tonic, Burst
When there is A EQUAL amount of a solute around a cell the cell is in a ______ _______ solution and will _____
Iso Tonic, be ok
What are the 4 components of the cell membrane?
___ help large molecules and charged ions move through the cell membrane
What 2 proteins help with Facilitated Diffusion
____ _____ is the movement of molecules up/ against concentration gradient (low to high) that always requires ATP & the help of a protein.
The nucleus membrane is just like the cell membrane just with more pores called ____ _____ and move large amounts of what 4 things.
RNA, Hormones, Nucleotides & Proteins
Proteins that enter the nucleus contain a ____ ______ ______
Nuclear Localization Signal
A chaperone protein called ______ binds the NLS and guides the protein through the nuclear pore complex.
Proteins that enter the ER have a special tag called an____ _____ ______ ______ which is always at the ___ of the protein.
Endoplasmic Reticulum Signal Sequence.
When sugar tags are added to the protein in the tertiary shape in the smooth ER it is called:
____ face is the front of the Golgi Apparatus and the ____ face is the back.
Once the proteins are in the Golgi App. they will be given additional tags and then sorted into ____ ______ with tags that interact with the right proteins.