Anatomy & Physiology: The Cell Membrane And Organelles

22 Questions  I  By Carlyh
A quiz testing knowledge of cell membrane and organelles

  
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Question Excerpt

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1.  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?
2.  The Fluid Mosaic Model suggests that the cell membrane can only have certain fluids pass through it, due to its phosolipid bi-layer.
A.
B.
3.  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.
B.
C.
D.
4.  This drawing illustrates the important aspect of the cell membrane which is its __________________.
A.
B.
C.
5.  Which of the following is an enzyme filled organelle for the breaking down of waste in the cell?
A.
B.
C.
D.
6.  Some substances can pass through the cell membrane without facilitation. What sorts of substances can move through?
A.
B.
C.
D.
7.  ____________________ is "cell drinking" and __________________ is "cell eating".[separate answers with a comma]
8.  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?
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B.
C.
D.
9.  Saturation moves substances UP their concentration gradient.
A.
B.
10.  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]
11.  The ______________ acts as a packaging and processing center in the cell to process proteins. (hint: see picture above)
12.  ATP is needed when a cell is trying to move _______________ the concentration gradient.
13.  Proteins embedded in the cell membrane function to
A.
B.
C.
D.
14.  Identify all of the lipids/steroids below that play a role in the cell membrane. After identifying, briefly explain what thier role is.
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B.
C.
D.
E.
F.
15.  List some of the general characteristics of the cell membrane. What is it's function within the cell?
16.  Which of the options below is not a physical trigger that triggers gated channel proteins?
A.
B.
C.
D.
17.  The Rough Endomplasmic Reticulum serves as the main site for synthesis of adenosine triphosphate for the cell.
A.
B.
18.  Desmosomes connect cells to other cells.
A.
B.
19.  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.
B.
C.
D.
E.
20.  Membrane proteins can be classified in two ways, by _________ and by ___________.[separate answers with a comma]
21.  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.
22.  ______________________ are a structural element that attach cells to the membrane underneath.
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