Help
Options
Didn't know it?
click below
click below
Knew it?
click below
click below
Don't Know
Remaining cards (0)
Know
retry
shuffle
restart
0:00
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.
Normal Size Small Size show me how
Normal Size Small Size show me how
ch. 7 vocab
| Term | Definition |
|---|---|
| cells | the basic units of living organisms |
| compound light microscopes | use a series of lenses to magnify objects in steps |
| cell theory | made of three main ideas 1.all organisms are composed of one or more cells 2.cell is basic unit of structure &organization for organisms 3.all cells come from preexisting cells |
| electron microscope | uses a beam of electrons instead of light to magnify structures |
| eukaryote | multicellular organism made up of eukaryotic cells |
| nucleus | the central membrane bound organelle that manages or controls cellular functions |
| organells | specialized structures that has a specific function in a cell |
| prokaryotes | unicellular organisms without membranebound organells |
| fluid mosaic model | the model of the plasma membrane |
| phospholipid | Any of various phosphorus-containing lipids, such as lecithin and cephalin, that are composed mainly of fatty acids, a phosphate group, and a simple organic molecule. |
| plasma membrane | The semipermeable membrane that encloses the cytoplasm of a cell. |
| selective permeability | A feature and a function of the plasma membrane that is essential to maintain homeostasis by regulating the passage of some substances while preventing others from entering the cell. |
| transport proteins | protein which serves the function of moving other materials within an organism. |
| cell wall | The rigid outermost cell layer found in plants and certain algae, bacteria, and fungi but characteristically absent from animal cells. |
| chlorophyll | Any of a group of green pigments that are found in the chloroplasts of plants and in other photosynthetic organisms such as cyanobacteria |
| chloroplast | A chlorophyll-containing plastid found in algal and green plant cells. |
| chromatin | A complex of nucleic acids and proteins, primarily histones, in the cell nucleus that stains readily with basic dyes and condenses to form chromosomes during cell division. |
| cilia | short, hairlike, rhythmically beating organelles on the surface of certain cells that provide mobility, as in protozoans, or move fluids and particles along ducts in multicellular forms |
| cytoplasm | The protoplasm outside the nucleus of a cell. |
| cytoskeleton | he internal framework of a cell, composed largely of actin filaments and microtubules |
| endoplasmic reticulum | extensive intracellular membrane system whose functions include synthesis and transport of lipids and, in regions where ribosomes are attached, of proteins |
| flagella | A long, threadlike appendage, especially a whiplike extension of certain cells or unicellular organisms that functions as an organ of locomotion. |
| golgi apparatus | A network of stacked membranous vesicles present in most living cells that functions in the formation of secretions within the cell. |
| lysosome | any of numerous small particles, containing digestive enzymes, that are present in the cytoplasm of most cells |
| microfilament | thinnest filaments of the cytoskeleton, a structure found in the cytoplasm of eukaryotic cells. |
| microtubule | component of the cytoskeleton, found throughout the cytoplasm. |
Created by:
lovemonkey318
Popular Biology sets