Cells Flashcards
(36 cards)
Who discovered bacteria?
Leeuwenhoek.
Who concluded that all plant parts were mad if cells?
Schleiden.
Who concluded that all animal tissue was made of cells?
Schwann.
Who said that all cells come from existing cells?
Virchow.
What kind of cells have cell walls?
Plants and fungi.
What are the three parts to the cell theory?
All organisms are made of cells.
The cell is the basic unit of all living things.
All cells come from preexisting cells.
Is a chicken egg a cell?
Yes.
Why can a chicken egg grow so large?
It does not need to take in nutrients.
What limits cells to a very small size?
The surface area to volume ratio.
How can you calculate the surface area to volume ratio?
Calculate the surface area, calculate the volume, then divide the surface area over the volume.
What part of the cell gives support to the cell?
Cell wall
What does the cell membrane do?
Controls what enters and exits the cell
What in a cell supports and protects the organelles?
The cytoplasm.
What controls the cell and holds the DNA?
The nucleus.
What does the nucleolus do?
Makes ribosomes.
What does the vacuole do?
Stores food and water in plants.
What creates food for plants in sunlight or uses photosynthesis?
Chloroplast.
What do Ribosomes do?
Make proteins
What does mitochondria do?
Produces the cell’s energy.
What takes out the wast in a cell?
The Lysosome.
Is the cell wall in plants or animals?
Plants
Is the cell membrane in plants or animals?
Both.
Is cytoplasm in plants or animals?
Both.
Is the nucleus in plants or animals?
Both.
