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Cells and Cell Functions Unit Test
Terms in this set (19)
only CERTAIN MATERIALS may enter or exit a cell
cell parts INSIDE the cell membrane floating in cytoplasm
How do mitochondria regulate energy in a cell?
Mitochondria CONVERT energy in nutrients into usable energy
the cells are SPECIALIZED
What happens when the cell of a unicellular organism dies?
the WHOLE organism DIES
Cell Theory states that
all cells come only from other cells and all living things are made of one or more cells
MULTICELLULAR (made of many cells)
Mitochondria is like
a school cafeteria where students get fuel for their ENERGY
chloroplasts are like
mini solar cells, because they CAPTURE ENERGY from SUNLIGHT
Ribosomes are in
ALL cells, including: BACTERIA, ANIMAL, and PLANT
Plant cell wall
PROTECTS the cell and helps the cell keep its SHAPE
Molecules move AGAINST the concentration gradient, and need to USE energy
Examples of Passive transport
osmosis and diffusion
part of a cell that has a specific function or job
All living things
GROW and DEVELOP, and can be UNICELLULAR or MULTICELLULAR
Why is a bacteria characterized as a prokaryote?
it DOES NOT have a NUCLEUS
Mistaken theory that states all living things just APPEAR from non-living things
What do endocytosis and exocytosis have in common?
both processes involve the FOLDING of the cell membrane to TAKE IN or PUSH OUT molecules
have a cell wall, have chlorophyll/chloroplasts, and have a large central vacuole
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