Biology 204 , Athabasca U units 1-2 QUESTIONS WITH ANSWERS

Biology 204 , Athabasca U units |\ |\ |\ |\ |\ |\




1-2 QUESTIONS WITH ANSWERS
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cell theory - CORRECT ANSWERS ✔✔idea that all living
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things are composed of cells, cells are the basic units of
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structure and function in living things, and new cells are
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produced from existing cells |\ |\ |\




cell membrane - CORRECT ANSWERS ✔✔A cell structure
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that controls which substances can enter or leave the cell.
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Eukaryote - CORRECT ANSWERS ✔✔A cell that contains a
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nucleus and membrane bound organelles
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Nucleoid - CORRECT ANSWERS ✔✔A dense region of DNA
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in a prokaryotic cell.
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Nucleus - CORRECT ANSWERS ✔✔A part of the cell
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containing DNA and RNA and responsible for growth and
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reproduction


Prokaryote - CORRECT ANSWERS ✔✔A unicellular |\ |\ |\ |\ |\ |\



organism that lacks a nucleus and membrane bound
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organelles

, Amyloplast - CORRECT ANSWERS ✔✔Unpigmented |\ |\ |\ |\ |\



plasids that store starch grains, abundent in cells of
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stems, tubers, and seeds
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anchoring junctions - CORRECT ANSWERS ✔✔fasten cells
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together into sheets |\ |\




bacterial flagellum - CORRECT ANSWERS ✔✔Bacterial
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flagella can define as the twisted and hair-like filament
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that give swimming motility in certain groups of bacteria.
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capsule - CORRECT ANSWERS ✔✔A sticky layer that
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surrounds the cell walls of some bacteria, protecting the
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cell surface and sometimes helping to glue the cell to
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surfaces.


Cell wall - CORRECT ANSWERS ✔✔A rigid layer of
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nonliving material that surrounds the cells of plants and
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some other organisms.
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Centrosome - CORRECT ANSWERS ✔✔A structure in |\ |\ |\ |\ |\ |\ |\



animal cells containing centrioles from which the spindle
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fibers develop.
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