Cells homeostasis
diffusion
active transport
facilitated diffusion
ribosomes
nucleus
1. According to the cell theory, all cells come from previously existing
cells
2. Depending on whether they have a
unicellular organisms are cassified as either eukaryotes or
prokaryotes.
3.Cells that need to make a lot of protein are expected to have a large number of
4. Molecules tend to move from an area where they are more concentrated to an area where they are less concentrated. This process is
called
5. Large molecules, such as glucose, that cannot cross the membrane can still move across the membrane through a type of passive
transport called
6. Some materials can move across the cell membrane against a concentration gradient by
7. A cell's relatively constant internal physical and chemical conditions are called
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