Cell Theory
what tool allowed scientists to discover cells?
microscopes!
True or False: Viruses are cells
False
What organelle is the control center of the cell and houses DNA?
Nucleus
What are the two types of cell transport?
passive and active
If a cell dies in a unicellular organism, what happens to the organism.
It dies because it is only made up of one cell.
True or False: Cell theory applies to both unicellular and multicellular cells.
True
What are 2 examples of unicellular organisms?
Bacteria
Archaea
What organelle is responsible for turning nutrients into energy?
Mitochondria
What type of cell transport requires energy?
active transport
Viruses are spread through...
transmission (spray particles, blood, body fluid exchange)
What two things are determined by the cell?
Structure and function
What type of organism has cells that are specialized (meaning different cells do different jobs)
What cell organelle allows particles to enter and exit the cell?
Cell membrane
osmosis
Chloroplasts
True or False: Cells spontaneously generate
False
What type of organism can survive complet alone and must perform all functions within only one cell?
Unicellular Organisms
Chloroplasts
Cell Wall
(larger central vacuole)
isotonic or equilibrium
If cells grow too large, they_________
divide
What are the 3 "rules or laws" of cell theory?
1. all living things are made of cells
2. cells determine the structure and function of a living thing
3. All cells come from existing cells.
Plant and Animals are _____________ organisms
What 4 organelles do all cells have in common?
Cell membrane
Ribosomes
Cytoplasm
DNA
Give two examples of active transport.
Give two examples of passive transport.
Active: exocytosis, endocytosis (phagocytosis, pinocytosis)
Passive: Diffusion, Facilitated diffusion, Osmosis
Why and how do you treat a virus and bacteria differently?
Virus nonliving-antibiotics do nothing. Must preemptively get a vaccine
Bacteria-antibiotics because it is living