Cell Theory
Cells come from ____________
Other pre-existing cells
Larger, more complex cells are: __________ cells
Eukaryote
Organelle that controls the cell
Nucleus
Movement of molecules high → low
Diffusion
Why cells need membranes
Controls what enters/exits and maintains homeostasis
Invention that led to discovery of cells
The microscope
Type of cell with no nucleus
Prokaryote
Organelle that makes proteins
Ribosomes
Movement of water across membrane
Osmosis
When a cell brings something in its called:__________
Endocytosis
Who was the person who discovered cells?
Robert hooke
Type of Proto Nucleus in Prokaryotic cells
Nucleoid
The "Special region" of the Nucleus
Nucleolus
What happens when a cell goes in a hypertonic solution
Cell shrinks / loses water
Why don't plant cells burst in fresh water?
Cell wall prevents bursting
Three parts of the cell theory
All living things are made of cells
Cells are the basic unit of structure & function
All cells come from pre-existing cells
Cilia and cell wall
The 2 Cell organelles that are only in plant Eukaryotic cells
Chloroplast and cell wall
Cell membrane is made of a: ____________
Phospholipid bilayer
The inside of the phospholipid Bilayer is: _________, causing water to have a hard time getting through even though it is small enough.
Non-Polar
Viruses are not considered alive because they lack what 2 major characteristics of life?
Cells and having the parts to be able to reproduce on their own
All 4 organelles both cell types have
Both have DNA, ribosomes, cytoplasm, cell membrane
The motor system in some prokaryotic cells
Flagellum
What protein allows water to flow easily through the cell?
Aquaporins
In both simple diffusion and facilitated diffusion, molecules follow the ____________
Concentration gradient