16568855
Description
Flashcards by Kimia mansouri, updated more than 1 year ago
|
Created by Kimia mansouri
over 6 years ago
|
|
| Question | Answer |
| Summarize Cell Theory in 4 points | 1. All living organisms are made up of cells 2. Cells are the most basic unit of life 3. All cells come from the division of pre-existing cells 4. All cells have DNA |
| The study of cell structure | Cytology |
| The study of tissues’ structures | Histology |
| The study of cell functions | 1. Cell physiology 2. Biochemistry 3. Cytogenetics |
| What is Fixing and what chemicals are used? | Fixing the structure means that they will not be altered by staining or slicing. Usually done by Alcohol and Formaldehyde. |
| Name the microscopes and their resolutions | 1. Compound Light Microscope: 200 nm 2. Transmission Electron Microscope: 2.0 nm 3. Scanning Electron Microscope: 3D, less magnification than TEM |
| Name the cell membrane functions | 1. Transports material in and out of cell 2. Cellular recognition 3. Communication 4. Homeostasis |
| Chromosomes’ functions | 1. Packaging of DNA during Nuclear Division 2. Control of gene expression |
| What does the Nucleus determine? | 1. Metabolism 2. Structure 3. Growth 4. Differentiation 5. Reproduction Of cell |
| Name three major types of RNA | 1. rRNA 2. mRNA 3. tRNA |
| Endoplasmic Reticulum Functions | Rough Endoplasmic Function : Protein Synthesis Smooth Endoplasmic Reticulum: synthesis of lipids( hormones, phospholipids, Cholesterol) and also detoxify drugs and chemicals |
| Name the Golgi Apparatus functions | 1. Modification 2. Assembly 3. Packaging 4. Storage 5. Secretion |
| What are Vesicles or Vacuoles formed by? What are their functions? | 1. Pinching off from the Golgi Apparatus 2. Endocytosis of the cell membrane 3. Extension of the ER Membrane Used for Transport and Storage of materials |
| Plant Cells Central Vacuole functions | 1. Water storage 2. Food storage 3. Waste storage 4. Cell support |
| Lysosomes Functions | 1. Cellular digestion 2. Autodigestion or disposal of damaged cell components like Mitochondria 3. Breakdown of a whole cell 4. Help destroy invading Bacteria |
| Functions of Mitochondria | 1. Cellular respiration 2. Controlling the concentration of water, Calcium and other charged particles |
| Draw the structure of Chloroplast and name the parts |
Enter text here...
Image:
Mobile upload (image/jpeg)
|
| What do Centrioles do? | 1. They give rise to basal bodies 2. Direct the formation of Flagella and Cilia 3. Assist in the formation of the spindle apparatus in cell division |
| Microtubules qualities and functions | Hollow, cylindrical, tubelike structure that help give the cell shape and form, and serve in moving materials within the cell. |
| Microfilaments qualities and functions | Long, thin, contractile rods, double filaments, helical pattern. Responsible for the movement of cells ( internal and external) |
| As the size of a cell ___________, its surface to volume ratio _____________ . | Increases Decreases |
| How do cells get around the limits of the surface to volume ratio? | 1. Divide 2. Become multicellular 3. Get long and thin 4. Fold |
| Three ways to increase the rate of Diffusion | 1. Increase temperature 2. Increase concentration 3. Decrease size of molecules |
| Osmotic pressure | Pressure due to the flow of water from where the solution has less solute to where to solution has more solute in it. |
| Isotonic solution | Solutions that contain the same number of solute molecules per volume ad the cell. |
| Hypertonic solution | A greater number of solute molecules per volume. |
| Hypotonic solution | A lesser number of solute molecules per volume than the cell. |
0 comments
Want to create your own Flashcards for free with GoConqr? Learn more.