Diversity Of Cells Flashcards
What is Cytoplasm?
Cytoplasm is Fluid inside the cell .(all cells)
What is a Cell membrane ?
It is a protective layer that covers the cells surface .(all cells)
What are Organelles ?
They are Structures that perform specific jobs in the cell. (All cells)
What is DNA?
DNA is genetic material that carries information needed to make a new cells.(all cells)
What is the nucleus ?
Some cells have a nucleus . A nucleus contains DNA.
What two kind of cells are there ?
The two kinds of cells are prokaryotic and eukaryotic.
What is a prokaryotic cell?
A prokaryotic cell is a cell without a nucleus .
What is a eukaryotic cell ?
A eukaryotic cell has a nucleus .
What are the features of a bacteria cell?
- they have the smallest cells
- circular DNA
- no membrane covered organelles
- bacteria have ribosomes
- have a strong exterior cell wall
- unicellular organism
- live almost everywhere
What are the feature of an archaea cell ?
- circular DNA
- no membrane bound organelles
- have different kind of ribosomes
- have different kind of exterior cell wall
- unicellular organism
- they live in extreme conditions
- salt-loving,methane-making and heat loving
- extremophiles
What are the features of a eukaryotic cell?
- have a nucleus .
- larger then prokaryotic cells.
- have other membrane -bound organelles.
- can be multi-cellular or uni -cellular .
- animals, plants and mushrooms are multicellular eukaryotes .
- some protists and yeast are unicellular eukaryotes .