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;
46 Cards in this Set
- Front
- Back
|
Cell (discovered by? ,def) |
Robert hooked Basic unit of structure and function f living things |
|
|
Protoplasm |
Colorless material composing living part of cell includes organelles Surrounded by cell membrane |
|
|
Nucloeplasm |
Protoplasm inside nucleus |
|
|
Cytoplasm |
Protoplasm outside nucleus |
|
|
Cell membrane (surrounds,aka,seperates) |
Surrounds cell Plasma membrane Seperates cell from extercellulae fluid and neighboring cells |
|
|
Selective semipermable membrane |
Regulates passage/transport of molecules in/out of cells (prevent others) |
|
|
Phospholoid (looks,def) |
Composed of 2 layers with proteins embedded in layer Look like balloons |
|
|
Hydrophollic |
Attraction to water |
|
|
Hydrophobic |
Repels water |
|
|
Nucleus(function,contains) |
Most Important organelles within cell Function:control activities of cells Facilitate cell division Contains dna and protein |
|
|
Chromatin(def,shape) |
Dna and protein arranged in loose state Condensed ro rodlike form |
|
|
Nuclear membrane (aka,function,) |
Nuclear envelope Function:regulates transport of substances in and out of cells |
|
|
Ribisomes |
Serve as site for protein synthesis |
|
|
Centrosome(mitosis,functional,def) |
Made of 2 centrioles perpendicular to each other.funtional during animal division During mitosis centrioles seperate |
|
|
Endoplasmic reticulum |
Function: provides passage for transport of substances in cytoplasm. 2types |
|
|
Rough endoplasmic reticulum |
Ribisomes on outer layer (sites of protein synthesis) |
|
|
Smooth endoplasmic reticulum |
Role in cholesterol synthesis fat, metabolism and detoxification of drugs. |
|
|
Mitochondria(supplies,stores,aka,purpose) |
Supplies cell woth energy Store atp Serve as site of cellular respiration and energy production Aka power house |
|
|
Lysosme(aka,function) |
Suicide bags Help digest cell bacteria and worn out cells. |
|
|
Perioxisomes |
Helps eat fats and detoxify stuff |
|
|
Cytoskeleton |
Forms internal framework if cell Filaments provide support for the cell |
|
|
Pinocytic vessels |
Provides mechanism by which large molecules can enter the cell |
|
|
Pinocytosis |
Cell drinking |
|
|
Cell division |
2 purposes: Growth maintenence of cells (mitosis) reproduction (meiosis) |
|
|
Meiosis |
Involves reproduction |
|
|
Mitosis |
Involves growth and maintenence of cells |
|
|
Mitosis interphase |
Resting stage |
|
|
Chromatid |
Strand of replicated chromosome 2 chromatid are joined by a structure |
|
|
Cell death |
Necrosis and apoptosis |
|
|
Passive transport |
Does not require energy |
|
|
Active transport |
Requires energy source |
|
|
Tumor |
Cell division does not occur in usual pattern aka neoplasm |
|
|
malignant tumors |
Cancerous Continue to grow crowding healthy cells draw nutrients away from body |
|
|
Atrophy |
Decrease in size |
|
|
Hypertrophy |
Increase in size |
|
|
Hyperplasia |
Increase in number (relates to hormonal stimulation) |
|
|
Dysplasia |
Change to size shape and organization of cell |
|
|
Neoplasia |
Changes in cell structure that occur in uncontrolled growth pattern |
|
|
Hypoxia |
A decrease in amount of oxygen in blood flow to cellular structure |
|
|
Anoxia |
Lack of oxygen flow to cellular structure most common in cause of death cells |
|
|
Sarcoma |
Cancers that occur in supportive tissue and connective tissue Occurs in plasma cells or bone marrow |
|
|
Leukima |
Cancer of bone marrow |
|
|
Lymphoma |
Develops in glands or nodes in lymphatic system |
|
|
Golgi apparatus |
Storing and packing secretions |
|
|
Diffusion |
Molecules move from high concentration to low |
|
|
Osmosis |
Diffusion of water molecules |
