Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
21 Cards in this Set
- Front
- Back
|
Activation energy
|
Energy necessary to get a chemical reaction going
|
|
|
Active transport
|
Movement of molecules through the plasma membrane (typically opposite the dictates of osmosis or diffusion) aided by a process that requires energy
|
|
|
Chromatin
|
Clusters of DNA, RNA, and proteins in the nucleus of a cell
|
|
|
Cytolysis
|
The rupturing of a cell due to excess internal pressure
|
|
|
Cytoplasm
|
A jellylike fluid inside the cell in which the organelles are suspended
|
|
|
Cytoplasmic streaming
|
The motion of cytoplasm in a cell that results in a coordinated movement of the cell's contents
|
|
|
Digestion
|
The breakdown of absorbed substances
|
|
|
Egestion
|
The removal of nonsoluble waste materials
|
|
|
Excretion
|
The removal of soluble waste materials
|
|
|
Isotonic solution
|
A solution in which the concentration of solutes is essentially equal to that of the cell which resided in the solution
|
|
|
Middle lamella
|
The thin film between the cell walls of adjacent plant cells
|
|
|
Phagocytosis
|
The process by which a cell engulfs foreign substances or other cells
|
|
|
Plasmolysis
|
Collapse of a walled cell's cytoplasm due to a lack of water
|
|
|
Respiration
|
The breakdown of food molecules with a release of energy
|
|
|
Ribosomes
|
Non-membrane-bounded organelles responsible for protein synthesis
|
|
|
Rough ER
|
ER that is dotted with ribosomes
|
|
|
Smooth ER
|
ER that has no ribosomes
|
|
|
Secretion
|
The release of biosynthesized substances
|
|
|
Chromoplasts
|
Organelles that contain pigments used in photosynthesis
|
|
|
Chromoplasts
|
Organelles that contain pigments used in photosynthesis
|
|
|
Leucoplasts
|
Organelles that store starches or oils
|
