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Chapter 7: Cell Structure


Across
Small organelles filled with digestive enzymes.
Device that uses light focused through a lens to magnify an object.
Strong supporting layer around the cell membrane. Found in plants, fungi, and prokaryotes.
Using special protein channels to cross a cell membrane.
All living things are made of cells and cells only come from other cells. A fundamental concept of biology.
Basic Unit of Life
Thin, flexible, layer that surrounds cells.
Manufactures proteins and lipids for the cell. Continuous with the nucleus.
The portion of the cell outside of the nucleus.
Contains the DNA and controls the cell.
Located near the nucleus and help organize cell division.
Down
Means that some substances can pass through the cell membrane while others cannot.
Group of tissues that work together.
The process of a cell releasing substances through its plasma membrane.
Group of similar cells that performs a specific function.
Cells possessing a nucleus and membrane bound organelles.
Microscopes that use a stream of electrons to image either the surface or the internal structures of a cell.
Found in plant cells. Capture sunlight for photosynthesis.
Moving across the plasma membrane. Requires energy.
Stack of flattened membranes. Packages substances for the cell.
Convert chemical energy store in food into ATP. The "powerhouse of the cell."
Two solutions that are in equal concentration of either side of a membrane.
Small structures composed of RNA and proteins. Manufacture proteins using an RNA template.
Network of protein filaments that give cells their shape.
Gives cells their flexible structure. Forms a boundary between the cell's contents and the external environment.
The process of moving from a higher concentration of particles to a lower one.
Store materials like water, salts, and proteins.