Cell Transport
Cell Transport
Cellular Processes
Energy
Mis'cell'aneous
100
Passive process of transport across a membrane along a concentration gradient
What is diffusion?
100
Term for cellular eating
What is phagocytosis?
100
Term that describes building large molecules from smaller ones
What is anabolism?
100
1st Law of Thermodynamics
What is "Energy cannot be created or destroyed, it can only be converted from one form into another."
100
Two environmental factors which may affect enzyme function
What are temperature and ph?
200
The diffusion of water
What is osmosis?
200
Term for cellular drinking
What is pinocytosis?
200
Term that describes breaking down large molecules into smaller ones
What is catabolism?
200
Low quality form of energy produced as a result of numerous energy conversions (2nd Law of TD)
What is heat...lost to the environment?
200
Term describing a change in the proper folding of proteins
What is denaturation?
300
Transport that requires the expenditure of ATP
What is active transport?
300
THESE structures, similar in function to plasmodesmata in plant cells, are found in animal cells
What are gap junctions?
300
Type of chemical reaction resulting in a release of energy
What is exergonic?
300
Term used to describe a measure of disorder and randomness (the opposite of order)
What is entropy?
300
Term which encompasses all of the reactions within an organism
What is metabolism?
400
Channel protein that transports water across cell membranes
What is an aquaporin?
400
Term for the voltage across a membrane
What is membrane potential?
400
Biological catalysts - these molecules speed up reactions by lowering the activation energy
What are enzymes?
400
All __?__ are proteins
What are enzymes?
400
Term to describe a chemical reaction in which the products have MORE total energy than the reactants
What is endergonic?
500
Characteristics of molecules which easily pass unaided through a cell membrane
What are small and hydrophobic?
500
Which functional group gives a phospholipid hydrophilic properties?
What is a phosphate group?
500
THIS is required to power the sodium-potassium pump
What is ATP?
500
Definition of Energy
What is the ability to do work?
500
Feature of cells that determines the maximum size for successful function
What is the surface area:volume ratio?
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