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Definition
1) All living things are made of cells 2) Cells are the basic unit of life 3)Cells come from cells 4) Cells pass genetic info |
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Definition
1)Microsopy 2)Centrofugation 3)Autoradiography |
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Definition
Differentiation of two close objects |
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How to determine the magnification of a microscope |
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Definition
eyepeice mag X objective lens mag |
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Definition
controls the amount of light that passes through the slide |
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3 types of microscopes and their use |
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Definition
compound: dead things electron: live cells phase: super close and dead |
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how does autoradiography work |
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Definition
a radioactive material tags the object. incubate it to allow for radioactive decay. see a silver grainy image. |
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what is autoradiography really good for? |
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Definition
seeing amino acids and protien synthesis. |
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Definition
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two main types of prokaryotes |
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Definition
cyanobacteria and bacteria |
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Term
compare prokaryotic and eukaryotic ribosomes |
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Definition
pro:30 and 50 S subunits euk: 40 and 60 S subunits |
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what is the outide of prokaryotic cells like? |
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Definition
cell wall...ALL OF THEM have this |
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Term
what is the cytoskeleton composed of |
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Definition
microtubules, microfilaments, and intermediate fibers. |
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what makes the hydrophobic part of the cell membrane hyrdophobic? |
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Definition
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Definition
cellular adhesion molecules. Help cells stick together |
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Definition
complex glycoproteins that recieve outside things |
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what is the cell mem. status of permeability for the following things: Oxygen, small charged particles, H20 |
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Definition
O: anytime small charged particles: need a protein H20: anytime |
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Definition
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what happens in the nucleolus? |
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Definition
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special skills of smooth and rought ER |
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Definition
Smooth: makes lipids and detoxes cell Rough: protein synthesis |
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Definition
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Definition
organelles that eat things. |
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Definition
they have enzymes that digest certain cellular junk |
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Definition
cellular suicide. cell ruptures it's lysosomes and the inside enzymes eat the cell from within. |
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Term
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Definition
membrane bound organelles for metabolic activities |
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Term
what are the most common microbodies and what do they do? |
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Definition
1.peroxisomes:oxidate to make peroxide 2.glyoxisomes:detox to break fat. fat->sugar in plant seedlings 3.lysosomes |
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Term
where would you find circular DNA? |
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Definition
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how to mitochondria replicate? |
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Definition
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main molecule of the cell well |
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Definition
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microtubules: composition and use |
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Definition
made of tubulin make centrioles, flagella and cilia |
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Term
microfilaments: composition and use |
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Definition
actin and mysosin contraction, movement, expansion |
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Term
ways to do movement across a membrane |
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Definition
1. diffusion 2. fascilitated diffusion 3. active transport 4. endocytosis 5. exocytosis |
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Term
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Definition
movement down a concentration gradient |
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Term
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Definition
simple diffusion of water |
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Term
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Definition
when solute concentration is the same inside and outside a cell |
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Term
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Definition
movement down a conc. gradient with the help of proteins. NO ENERGY NEEDED. |
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Term
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Definition
movment against a concentration gradient with the use of proteins and some form of energy. |
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what is active trasport used for mostly? |
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Definition
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endocytosis and exocytosis |
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Definition
endo:taking materials into the cell exo:releasing materials from the cell |
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Definition
1. epithelial 2. connective 3. nervous 4. muscle |
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Term
epitheleal tissue location and use |
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Definition
covers surface and lines cavities protection, absorption, secretion, sensation |
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Term
connective tissue location and use |
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Definition
bone, blood, cartilage, tendons, ligaments, adipose tissue
body support and functions |
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nervous tissue location and use |
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Definition
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muscle tissue types and main skill of muscle tissue |
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Definition
types:cardiac, skeletal, smooth has great contractile capability |
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Term
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Definition
nucleic acid and protein coat called capsid |
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Term
What is the name of parasites that can express genes and reproduce only within a host cell? |
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Definition
obligate intracellular parasites |
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