Organelles
What is the main job of the nucleus?
What are the three different "threads" of the cytoskeleton?
Microfilaments, Microtubules, and Intermediate Filaments
Why is it called "passive transport"?
Because no energy is required to move particles across the cell membrane
Why is it called "active transport?"
Energy is needed to move particles across the plasma membrane
The current model of the plasma membrane is the ______________ ____________________ __________.
Fluid Mosaic Model
What is the equivalent of the nucleus in prokaryotic cells?
Nucleoid
What are the two cell appendages made up of microtubules?
Cilia and Flagella
In passive transport, particles will move __________ their ___________________ gradient.
Down their concentration gradient
In active transport, particles will move __________ their ___________________ gradient.
Membrane carbohydrates that are bound to proteins are called...
Glycoproteins
What organelle do lysosomes bud off of?
The golgi apparatus
Microfilaments are also called...
Actin Filaments
What are the 3 different types of passive transport?
Diffusion, Facilitated Diffusion, and Osmosis
One of the most important pumps in active transport for the human body is the......
Sodium-Potassium Pump
What is the definition of amphipathic?
Having both hydrophilic and hydrophobic parts.
Primary: to sort and process proteins for transport
Secondary: to metabolize and synthesize lipids
Microtubules are also involved in the separation of chromosomes during cell division as...
Centrosomes and Centrioles
What happens to animal cells in each of the different types of solution: hypotonic, hypertonic, isotonic
Hypotonic:the cell will lyse
Hypertonic: the cell will shrivel
Isotonic: the cell is normal
-50 to -200 milivolts
What is the most important property of the cell membrane?
The ability to regulate transport across cellular boundaries
What are the primary and secondary functions of the rough endoplasmic reticulum?
Primary: Protein Synthesis
Secondary: Protein Quality Control
The most permanent "thread" of the cytoskeleton is...
What are the two types of stimuli that can activate a gated channel?
Chemical stimuli and Electrical Stimuli
The main electrogenic pump of plants, fungi, and bacteria is a...
Proton Pump
Name 3 of the 6 functions of membrane proteins.
Transport, Cell to Cell Communication, Enzymatic Activity, Signal Transduction, Intercellular Joining, Attachment to the Extracellular Matrix (ECM)