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BJU Press - Life Science 7 - Chapter 3 Test
Terms in this set (30)
Which of the organelles usually appear green?
Selectively permeable membranes allow _____ to pass through.
only certain molecules
Who is known for grinding his own lenses to view tiny organisms?
Active transport requires a cell to use...
its own energy
If a cell needed to store some food, it would most likely use a ...
The compound light microscope is called compound because...
it uses to sets of lenses.
A plant with crisp, stiff leaves has _____ turgor pressure.
All of these organisms are made of eukaryotic cells except for...
A cell membrane is found in...
plant, animal, eukaryotic, and prokaryotic cells.
Chloroplasts are found in...
A nucleus is found in...
plant, animal, and eukaryotic cells.
water and a selectively permeable membrane.
Function in breaking down sugar molecules to release energy for the cell
store materials in a cell
contain enzymes for digesting substances that are no longer needed
a series of folded membranes founded in the cytoplasm that allows substances to move from one part of the cell to another
function in protein synthesis
packages substances that are then released from the cell
contain substances for photosynthesis
True/False: Flagella are generally shorter and found in greater numbers on a cell than cilia are.
true/false The spread of the odor of ammonia throughout a room is an example of diffusion.
True/False: In a cell membrane, the lipids' hydrophobic ends point toward the interior of the membrane.
True/False: In active transport, molecules move from higher to lower concentration.
True/False: Bacteria are prokaryotic organisms.
True/False: Most eukaryotic cells are essentially the same.
True/False: According to the fluid mosaic model, a cell membrane is composed of a lipid bilyaer with proteins embedded in it.
The movement of molecules from a region of high concentration to a region of low concentration is called....
Chlorophyll is to chloroplast as DNA is to _____.
The think fluid inside the cell membrane where the organelles are located is the _____.
The parts of a cell are so dependent on each other that if just one part does not work right, the entire cell may not function properly. This is an example of ________ _________.
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