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;
58 Cards in this Set
- Front
- Back
|
Abiogenesis |
Lige forms arise from non living matter. |
|
|
Biogenesis |
Living organisms come from other living organisms |
|
|
Schwann & Schleiden |
All living things are made of cells. Advancement in lenses. |
|
|
Hooke |
Cork & tiny rooms = cells |
|
|
Leeuwenhoek |
Single celled organisms Matter scraped from teeth Homemade microscope |
|
|
Redi |
Flies & meat = maggots Spontaneous generation |
|
|
Cell theory |
Organisms composed one or more cells Smallest unit of life Produced from other cells |
|
|
Cell membrane |
Container Phospholipid bilayer and proteins Proteins interact with other cells |
|
|
Nucleus |
Control center DNA controls cell functions Cite of ribosome production |
|
|
Ribsosomes |
Proteins Composed of rrna Reads and translates messages which makes proteins |
|
|
Endoplasmic Reticulum |
Highway Transport network of tubes |
|
|
Rough ER |
Ribosomes Protein |
|
|
Smooth ER |
Lipids Packages large molecules into vesicles |
|
|
Golgi Apparatus |
Factory Molecules modified by enzymes Recieved sorts and packages them |
|
|
Lysosomes |
Store enzymes Digest contents |
|
|
Vaculoles |
Storage Food water Waste Minerals |
|
|
Mitochondria |
Powerhouse Provide energy = ATP Break down glucose |
|
|
Cell wall |
Plant cells Rigid for support Made if cellulose |
|
|
Chloroplasts |
Solar panels Photosynthesis |
|
|
Hydrophobic |
Fears water |
|
|
Hydrophilic |
Loves water |
|
|
Fluid mosaic model |
Membrane constant motion Which helps membrane proteins function |
|
|
Carbohydrates |
Make cells unique Attached to lipids and proteins on outer surface |
|
|
Semi-permeable |
Allow water to pass Exclude other molecules |
|
|
Solute |
Substance being dissolved |
|
|
Solvent |
Water |
|
|
Osmosis |
Movement of water across membrane |
|
|
Isotonic |
Same concentration of solutes |
|
|
Hypotonic |
Lower concentration solute Water moves in |
|
|
Hypertonic |
High concentration solute Water moves out |
|
|
Concentration gradient |
With - high to low - down Against - low to high - up |
|
|
Active transport |
Against concentration gradient Requires energy |
|
|
Passive transport |
Along gradient No energy |
|
|
Facilitated diffusion |
Transport proteins to assist diffuse |
|
|
Carrier proteins |
Change shape Certain molecules |
|
|
Channel proteins |
Water filled Small dissolved ions can diffuse |
|
|
Endocytosis |
Absorbs material and transports through cell |
|
|
Phagocytosis |
Ingest food |
|
|
Pinocytosis |
Fluid |
|
|
Exocytosis |
Dispose of waste |
|
|
Surface area to volume |
Relative magnitude of surface area to volume Volume faster than area Greater surface area = more efficient |
|
|
Multicellular |
Add more cells rather than make larger |
|
|
Epidermis |
Protection |
|
|
Cuticle |
Prevents evaporation |
|
|
Palisade tissue |
Photosynthesis |
|
|
Spongy tissue |
Gas exchange Photosynthesis |
|
|
Stomata |
Allows gases in and out |
|
|
Guard cells |
Regulate stomata size |
|
|
Xylem |
Water and minerals up (dead) |
|
|
Phloem |
Sugars up and down |
|
|
Transpiration |
Evaporation of water from leaves |
|
|
Turgor pressure |
Water pressure in plant cells Allows to remain rigid Low water = cell deflates |
|
|
Root pressure |
Turgor pressure inside root xylem |
|
|
Cohesion |
Stick to other water molecules |
|
|
Adhesion |
Stick to certain surfaces |
|
|
Auxin |
Plant growth hormone produced in plant tips |
|
|
Gravitropism |
Response of plant to gravity |
|
|
Phototropism |
Growth of plant toward light source |
