Anatomy & Physiology: The Cell Membrane And Organelles
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A quiz testing knowledge of cell membrane and organelles
- 1.List some of the general characteristics of the cell membrane. What is it's function within the cell?
- 2.Briefly explain the process of G-Proteins on the cell membrane. How does GDP release? How does GTP attach? What is it made up of? How does the protein change shape?
- 3.
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The ______________ acts as a packaging and processing center in the cell to process proteins. (hint: see picture above) - 4.Proteins embedded in the cell membrane function to
- A.
Transport materials in and out of the cell
- B.
Carry genetic information
- C.
Store excess water
- D.
Produce energy for the cell
- 5.Which of the following is an enzyme filled organelle for the breaking down of waste in the cell?
- A.
Mitochondria
- B.
Centriole
- C.
Lysosome
- D.
Perioxisome
- 6.
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This drawing illustrates the important aspect of the cell membrane which is its __________________.- A.
Carboyhydrate bi-layer
- B.
Layer of proteins
- C.
Phosolipid bi-layer
- 7.The Fluid Mosaic Model suggests that the cell membrane can only have certain fluids pass through it, due to its phosolipid bi-layer.
- A.
True
- B.
False
- 8.The _______________________ are used in cell division and are located inside the centrosome. They are arranged in a 9+0 array in which microtubules line up in a circle and the two sit perpindicular to one another in the centrosome.
- 9.The Rough Endomplasmic Reticulum serves as the main site for synthesis of adenosine triphosphate for the cell.
- A.
True
- B.
False
- 10.These are membranous bubbles that may be formed by the Golgi apparatus, or by the pinching inward of the cell membrane to engulf external substances.
- A.
Microvilli
- B.
Vesicles
- C.
Ribosomes
- D.
Cytosol
- 11.Identify all of the lipids/steroids below that play a role in the cell membrane. After identifying, briefly explain what thier role is.
- A.
Phospholipids
- B.
Adipose
- C.
Sphingolipids
- D.
Glycerolipids
- E.
Glycocalyx
- F.
Cholesterol
- 12.Membrane proteins can be classified in two ways, by _________ and by ___________.[separate answers with a comma]
- 13.
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This structual element of the cell membrane aids in the rapid depolarization of the cells through ion transfer. It serves as a site of communication between cells. What is this structural element called?- A.
Desmosome
- B.
Ligand-gated channel
- C.
Gap junction
- D.
Hemi-desmosome
- 14.Desmosomes connect cells to other cells.
- A.
True
- B.
False
- 15.______________________ are a structural element that attach cells to the membrane underneath.
- 16.Some substances can pass through the cell membrane without facilitation. What sorts of substances can move through?
- A.
Small, non-polar
- B.
Large, polar
- C.
Small, polar
- D.
Small, ionic
- 17.There are three different types of gated channels. Check the channels below that are gated channels and then give an example of what flows through each one.
- A.
Ligand
- B.
Receptor
- C.
Voltage
- D.
Mechanical
- E.
Antiport
- 18.Which of the options below is not a physical trigger that triggers gated channel proteins?
- A.
Change in pressure
- B.
Change in tension
- C.
Change in salinity
- D.
Change in orientation
- 19.There are several different types of carrier proteins. Carrier proteins that only carry through one type of molecule at a time are called ______________ proteins. Carrier proteins that can carry through two types of molecules at a time are called _________________ proteins. Carrier proteins that can carry through molecules headed in opposite directions are called ________________ proteins.[separate answers with a comma]
- 20.Saturation moves substances UP their concentration gradient.
- A.
True
- B.
False
- 21.ATP is needed when a cell is trying to move _______________ the concentration gradient.
- 22.____________________ is "cell drinking" and __________________ is "cell eating".[separate answers with a comma]
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