Cells Flashcards
Cells are the _______ unit of life.
(Select one answer)
- largest
- smallest
- smallest
A cell is…
the structural and functional unit of life.
How well the entire organism functions depends on….
individual and combined activities of all of its cells.
How do cells arise?
Cells can arise only from other preexisting cells.
What are the cells that connect body parts, form linings, or transport gases?
Fibroblasts, erythrocytes, epithelial cells.
Skeletal and smooth muscle cells are what sort of cells?
Cells that move organs and body parts.
What is the cell that stores nutrients?
Fat cells.
What is the function of a ‘macrophage’?
A macrophage is a cell that fights disease.
The cell that gathers information and controls body functions is called?
Nerve cells.
What sort of cell is sperm?
The cell of production.
What are the 3 basic parts of a human cell?
- Plasma membrane: flexible outer boundary
- Cytoplasm: intracellular fluid containing organelles
- Nucleus: DNA containing control center
Fill in the blanks:
Eukaryote cells are cells that are found in _______ and prokaryote cells are cells that are found in ________ and _______.
Eukaryote cells are cells that are present in ANIMALS and prokaryote cells are cell that are present in BACTERIA and FUNGI.
What is the main difference between eukaryote and prokaryote cells?
In a eukaryote cell, the nucleus is membrane-bound. In a prokaryote cell, the nucleus it is not.
What is it meant by ‘membrane-bound’?
It means that the organelles (e.g. mitochondria, lysosome, etc) are surrounded by a phospholipid bilayer (membrane).
What does the plasma membrane hold?
The plasma membrane holds all the different components in a cell, together.
