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| moves the body tube or stage up and down |
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| used to tilt, lift and carry microscope |
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| support, carry microscope with one hand under the base and one hand around the arm |
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| to view and help magnify the object |
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| for initial viewing of an object. usually 4x or 5x |
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| for powerful detailed magnification usually 40x-43x |
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| place for viewing the slide |
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| regulates teh light coming through the stage opening |
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| light comes/shines through to visualize the clip |
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| the brighter the field of view is |
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| When the slide is moved to the right of a microscope it moves |
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| When the slide moved to the left of the microscope it moves |
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| When the slide is moved up on the microscope it looks |
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| When the slide is moved down on the microscope it appears |
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subduction volcanism occurs in the ocean, a chain of colcanoes are produced(numerous in the pacific)
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| intraplate basaltic magma comes from rising plumes of hot mantle material-these hot plumes, which may extend to the core-mantle boundary, produce volcanic regions a few hundred kilometers across |
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more dense goes under and melts/ heats up and rises towards the surface
-cold hardens and cools |
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| How have scientists figured out the past locatiosn fo the continents? |
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Definition
1.plate tectonics-happen on plate boundaries that move, even when fomed on hot spots the plate moves while the hot spot stays
2.fossil evidence-supported that the southern continents were joined(plants and animals)
3.sea floor spreading-pangea(supercontinent)
4.mountain chains- show similarities across South Am., Africa, Antartica, and Australia |
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| a crack in the Earth's crust |
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| compared to sediment found farther fromt a ride, sea-floor sediment closer toa ridge is |
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| the German scientist Alfred Wegener proposed a hypothesis now called |
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| the mechanism that causes the continents to move |
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| the mechanism that verifies Wegener's hypothesis of continental drift is |
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| the study of the magnetic properties of rocks |
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| Wegnener hypothesized that the continents formed part of a single land mass |
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| undersea mountain ranges with steep, narrow valleys in the center |
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| is a layer of "plastic" rock jsut below the lithosphere/like putty/slow |
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| earth's crust and the rigid, upper part of the mantle form a layer of Earth |
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| is the theory that explains why and how Continents move and is the study of the formation of features in earth's crust |
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| dense and is made of rock that is rich in iron and magnesium |
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| has a low densly and is made of rock that is rich in silica |
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| The German Scientist alfred Wegener proposed a hypothesis now called |
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| undersea mountain ranges with steep, narrow valleys in the center |
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| compared to rocks farther form a ridge rocks closer to a ridge |
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| describe sea-floor spreading |
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| new ocean lithosphere forms as magma rises to earth's surface and solidifies at a mid ocean ridge |
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| continents move over earth's surface |
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| by the widening sea floor, which acts as a conveyor belt |
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| the mechanism that verifies wegeners hypothesis of continental dirft |
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| boundary between tectonic plates that are moving away from each other |
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| the boundary between tectonic plates that are colliding |
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| boundary between tectonic plates taht are sliding past each other horizontally |
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| region where one plate moves under another |
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| short segments of a mid-ocean ridge that are connected by transform boundaries |
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| 8 characteristics of life |
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Definition
MADE OF ONE OR MORE CELLS
DISPLAYS ORGANIZATION
MAINTAINS HOMEOSTASIS
ADAPTIONS EVOLVE OVER TIME
REPRODUCES
RESPONDS TO STIMULI
REQUIRES ENERGY
GROWS AND DEVELOPS
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Definition
1.All living organisms composed of cells
2.Cells are the basic unit of structure and organization of all living organisms
3.Cells arise only form previously existing cells |
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| Compound Light Microscopes |
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| dead specimen,translucent,tiny,blurs image |
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| dead spicemen/three demensiional |
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| Scanning Tunneling electron microscope |
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| special boundary helps control what enters and leaves the cell |
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| no nucleus/no other membrane bound organelles |
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| have nucleus and other organelles that are bound by membranes |
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| resoponsible 4 homeostasis/thin, flexible boundary between cell and environment |
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| allows some substances to pass thru while keeping others out(filter)/contains lipids,phospholipid, phopholipid bilayer |
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| attracts to water hydrophilic |
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| nonpolar-hydrophobic(barrier) |
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| net movement of particles from area of high con. to low con. |
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| diffusion of water across a selective permeable membrane |
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| a cell is in a solution with same concentration of water and solutes/iso_same |
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| solution has higher solute conen. than inside cell(hypo_more than) |
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| force exerted outward on a plant cell wall by the h2o conatined in cell |
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| environment inside the p.m. is a semifluid material |
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| supporting netwrok of long, thin protein fibers that form a framework for the cell and provide an anchor for th eorganelles inside the cells |
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| contains most of cells DNA/surrounded by a double membrane called the nuclear envelope |
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| Ribosomes(protein synthesis) |
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| help manufature proteins (nucleolus) |
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| Rough Endoplasmic Reticulum |
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Definition
| ribosome are attaches that produce proteins for export to other cells(bumps) |
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| Smooth endoplasmic reticulum |
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| no ribosomes/proviedes a memberane surface (carbs, lipids) |
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| Golgi apparatus(shipment trucks) |
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| flattented stack of membranes that modifies sorts, and packages proteins into sacs called vesicles |
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| Vacuole(store materials/waste) |
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| sac used to store food, enzymes, othe rmaterials needed by a cell(waste) |
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| are vesicles taht contain sub. taht digest excess or worn-out organelles and food particles |
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| are organelles made of microtubules that function during cell division |
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| capture light nrg and convert it to chemical engry thru photosynthesis |
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| thick,rigid, mesh of fibers that surrounds the outside of the p.m./protects and gives support |
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| REVIEW DIFFUSION PROBLEMS FOR THIS FLASHCARD |
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| REVIEW DIFFUSION PROBLEMS FOR THIS FLASHCARD |
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| DNA carries out 2 mRNA in cuclus |
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| mRna goes to ribosomes to meet tRNA in which mRNA that carries te code 4 protein translates to tRNA amino acid |
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| list three components of a dna nucleotide |
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Definition
| phosphate,deoxyribose, and bases |
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| adenine, thymine, cytosine, and guanine |
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| GO OVER MITOSIS BOOK FOR THIS FLASHCARD |
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| GO OVER MEIOSIS booklet FOR THIS FLASHCARD |
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| offspring of crosses between parents with different traits |
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| TT or tt-two identical-same |
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-neither allele is dominant over other
-heterozygous genotype produces blened phenotype
(look at cross) |
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| 2 traits, 2 separate genes |
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many genes control a trait like
homozygous dominant-AABBCCDD
homozygous recessive-aabbccdd |
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| 2 alleles in a gene that are dominant together(look at cross) |
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| female-xx, male-xy(look at cross) |
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