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ANATOMY
CELLS chap 3
| Term | Definition |
|---|---|
| HOMEOSTASIS | Is maintaining a constant and appropriate internal environment such as temperature, PH, glucose levels etc |
| Cytoplasm | Watery liquid found inside and outside the organelles but outside the nucleus, BUT outside nucleus |
| What is the plasma cell? | Cytoplasm |
| what are its functions? | Functions of the Plasma Membrane: Movement of materials into and out of cell, acts as a barrier to the external environment Acts as a site for receiving signals from the rest of the body Acts as a site for holding the cell in place |
| What is its double layer made of? | The plasma membrane is made up of 2 layers of molecules=Phospholipid bilayer |
| what are ribosomes? | Make proteins |
| Are ribosomes organelles? | Are not organelles because they do not have a plasma membrane |
| what is Endoplasmic Reticulum (ER)? | A network of channels |
| 2 types of Endoplasmic Reticulum? | Rough ER: Contains Ribosomes Smooth ER: NO ribosomes |
| What is endoplasmic reticulum fuction? | Function is to detoxify chemicals that enter the cell |
| what is the rough Endoplasmic reticulum? RER | endoplasmic=within cytoplasm reticulum=network; rough surface of membrane covered with ribosomes |
| Function of Rough Endoplasmic reticulum? | RER is the synthesis of PROTEINS |
| What is smooth Endoplasmic reticulum? | Detoxifies harmful substances |
| What is the Golgi Complex functions? | Packages proteins made by the ERE and sends them where they need to go. (like a FedEx center) |
| What are Vesicles? | A sphere of membrane w/ something in it |
| What are lysosmes? | Are sacs of powerful digestive enzymes to dissolve an old organelle, bacteria, or commit cell suicide = APOPTOSIS (programmed cell death) |
| What are transport vesicles? | When material needs to move from RER to Golgi complex or from Golgi complex to cell membrane etc |
| What are lipids, cabs, and enzymes stored in a cell? | Storage Vesicles |
| What is the smallest living unit in the body? | Mitochondria Makes ATP for us |
| Where is DNA stored? | Nucleus |
| What is Translation and where does it occur? | Is the process in the RNA communicating w/ a ribosome to tell it what type of protein to make. TRANSLATION IS CHARCACTERIZED BY PROTEIN SYNTHESIS In the cytoplasm |
| What are Centrioles? | Are filaments within the cell that function during metaphase-anaphase of mitosis. |
| What is the function of a Flaelleum? | Tail used to help move (locomotion) example. Sperm cell |
| What is the function of Microvilli? | Increase the surface area of cells |
| What is the function of Cillia? | To sweep substances along across the top of the cell |
| What is Metastasize? | Leave the original site and go somewhere else to grow |
| Carinoma | Epithelial tissue (SKIN) |
| Sarcoma | Connective tissue (bones + muscles) |
Created by:
BriAnnaNM
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