Term
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Definition
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Term
| name the components of cell theory?(3) |
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Definition
all living things are made from cells
cells arise from preexisting cell
same basic chemical components ( carbohydrates, proteins, lipids and nucleic acids) |
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Term
| what are photomicrographs |
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Definition
| pictures taken of a microscope image |
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Term
| Name (3) types of microscopes in the book |
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Definition
light microscope
transmission electron microscope
scanning electron microscope |
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Term
| What are the pros and cons of a light microscope? |
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Definition
PROS: cheap, easy to use
CON: low resolution and magnification (only 1200X) |
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Term
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Definition
TEM: can see up to 600000X, 2D black white images
SEM: 3D images, less resolution, cannot see inside ( unless cracked open |
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Term
| name the cell shapes presented in the book(9) |
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Definition
conservative sally says " David please come for supper, Friday"
cubiodial
squamous
stellate
discoid
polygonal
columnar
fibrous
spheriod
fusiform |
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Term
| describe the cell shape: cuboidal |
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Definition
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Term
| describe the cell shape: squamous |
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Definition
| flat with a slightly raised nucleus (like an egg) , skin cells |
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Term
| describe the cell shape:stellate |
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Definition
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Term
| describe the cell shape: discoid |
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Definition
| disc shape, red blood cells |
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Term
| describe the cell shape: polygonal |
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Definition
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Term
| describe the cell shape: columnar |
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Definition
| rectangle columns, stomach lining |
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Term
| describe the cell shape: fusiform |
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Definition
| like french baguette, smooth muscle cells |
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Term
| describe the cell shape: spheroid |
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Definition
| sphere , white blood cells |
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Term
| describe the cell shape: fibrous |
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Definition
| like threads , axons in nerve cells |
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Term
| why can cells not grow to an unlimited size? |
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Definition
| If the cell gets too large it might have too little plasma membrane to support the metabolic needs of the cytoplasm |
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Term
| What are the basic components of a cell |
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Definition
plasma membrane
cytoplasm
cytoskeleton
organelles
inclusions
cytosol (inter-cellular fluid)
nucleoplasm |
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Term
| What is the plasma membrane made of? (2) |
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Definition
membrane lipids
membrane protiens |
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Term
| The membrane lipid is made of phospholipids what are the components of the phospholipid? |
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Definition
HYDROPHILLIC HEAD: nitrogen containing group, phosphate group and glycerol
HYDROPHOBIC TAIL: fatty acid tails |
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Term
| what are some functions of plasma membrane proteins?(6) |
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Definition
RECCCT
receptors
enzymes
channel proteins
transport proteins
cell identity markers
cell adhesion molecules |
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Term
| what is the function of the channel proteins in the plasma membrane? |
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Definition
| have channels that stay open or not selective open/close (gated) that allow (or not allow) ions through!) |
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Term
| what is the function of the receptors in the plasma membrane? |
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Definition
| binds to chemical messengers |
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Term
| what is the function of the enzymes in the plasma membrane? |
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Definition
| carry out chemical reactions at surface of cell or breakdown chemical messages the receptor cell is done with |
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Term
| what is the function of the transport proteins in the plasma membrane? |
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Definition
bind and let go of substance in
side cell |
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Term
| what is the function of the cell identity markers in the plasma membrane? |
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Definition
| genetic ID tags, distinguish what belongs and what does not ( parasites, bacs) |
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Term
| what is the function of the cell adhesion molecule in the plasma membrane? |
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Definition
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