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5
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.......................... electrons are passed, or transmitted, through a specimen to a fluorescent screen
Transmission electron microscope (TEM )
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5
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....................... : stick out from the plasma membrane to define the cellโs identity and help cells identify chemical signals
carbohydartes
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5
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The two cells that control the opening and closing of stomata are .............
Guard cells
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banana
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gold
Win 50 points!
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gift
Win 10 points!
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thief
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25
5
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........................ small openings on leaves through which carbon dioxide, water, oxygen, and other gases pass.
stomata
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What kind of diffusion by which some sugars can pass through the membrane ?
Simple diffusion
Exocytosis
Osmosis
facilitated diffusion
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5
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......................... Increases in root and stem diameters
Lateral meristem
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What kind of solution is this ?
Hypertonic
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............................. helps to prevent the fatty-acid tails of the phospholipid bilayer from sticking together
Cholesterol
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thief
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25
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seesaw
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shark
Other team loses 25 points!
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banana
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5
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............................... are specialized structures that carry out specific cell functions
Prokaryotic
Organelles
plasma membrane
Cellular structure
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5
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What kind of plant cell responsible for photosynthesis
parenchyma cells
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......................... reduce water loss from plants and prevent bacteria and other disease-causing organisms from entering the plant
Cuticle
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banana
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gift
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rocket
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banana
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5
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Which of those are the basic principles of cell theory?
All of the above
Cells are the basic unit of structure of all living organism
All living organisms are composed of one or more cells
Cells arise only from previously existing cells
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5
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................................ the regulation of the internal environment of a cell or organism to maintain conditions suitable for life
Homeostasis
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