Multiple Choice
This scientist first used the term "cell."
A. Hooke
B. Pasteur
C. Virchow
Who is Hooke?
This organelle stores cell material.
What is the vacuole?
The scientist who first named cells was...
A. Pasteur
B. Hooke
Who is Hooke?
The diffusion of water across the selectively permeable membrane of an alga cell is called ...
A. Cilia
B. Osmosis
What is osmosis?
The cell theory states that
* all living things are composed or one or more cells
* cells are the basic structure of all living things
* Cells can be created spontaneously
What is false?
* all living things are composed or one or more cells
* cells are the basic structure of all living things
* cells can only arise from pre-existing cells
This organelle manufactures (makes) ribosomes.
What is the nucleolus?
This produces protein for the cell.
What is ribosomes?
This instrument is used to magnify thin slices of cells ...
A. Compound microscope
B. Electron microscope
What is the electron microscope?
Name 3 substances that enter a cell...
What are water, oxygen and glucose?
A hypertonic solution is one where there is more water inside the cell.
What is true?
The process of the plasma membrane pumping excess sodium out of a cell into an environment where there is lower concentration of sodium is called...
What is active transport?
Controls cell division.
What is the nucleus?
Large, complex cells that contain a nucleus are called...
A. eukaryotic
B. prokaryotic
What is eukaryotic?
Name to substances that exit a cell.
What are carbon dioxide and wastes?
A cytoskeleton is a network of long protein strands in the cytosol that helps support the cell.
What is true?
The result if the electron microscope had not been invented...
What is microscope magnification would be limited to 1000x?
Acts as a distribution center for cell proteins.
Substances that move wastes and other materials through the plasma membrane are called...
A. Hooke
B. transport proteins
What are transport proteins?
Describe what happens in an isotonic solution.
What is water is equal inside and outside of the cell?
A phospholipid is a double layer of phospholipids that makes up plasma and organelle membranes.
What is false?
The result of smooth endoplasmic reticulum being damaged in liver cells by excess alcohol consumption...
What is the inability to detoxify harmful substances?
This organelle breaks down excess microtubules.
What is lysosome?
The organelles that allow a unicellular paramecium to sweep food towards its mouthlike opening are called...
A. flagella
B. cilia
What are cilia?
Describe what causes a cell to shrivel.
What is a hypotonic solution- there is more water outside of the cell than inside the cell?
Both prokaryotic and eukaryotic cells have membrane-bound organelles.
What is false-prokaryotic cells do not have membrane-bound organellse?