Activities Quiz
1.

What is the function of Structure E? (Activity 8A)

question #1

transport across the plasma membrane
stabilization of the phospholipids
cell-cell communication
structural support of the cell
detection of environmental change


2.

Identify Structure D. (Activity 8A)

question #2

glycoprotein
cholesterol
phospholipid bilayer of membrane
extracellular matrix
protein


3.

Identify Structure A. (Activity 8A)

question #3

glycoprotein
cholesterol
phospholipid
extracellular matrix
protein


4.

Click on structure A to see an animation of its function. Structure A is a(n) _____. (Activity 8B)

receptor molecule
antibody
structural protein
enzyme
transport protein


5.

Which of these cannot pass directly through the phospholipids of the plasma membrane? (Activity 8B)

question #5

A
B
C
D
B, C, and D


6.

Click on the art to see an animation. What name is given to the process? (Activity 8C)

sodium-potassium pump
turgor
active transport
osmosis
diffusion


7.

What name is given to the process by which water crosses a selectively permeable membrane? (Activity 8D)

diffusion
passive transport
phagocytosis
pinocytosis
osmosis


8.

This cell is in a(n) _____ solution. (Activity 8D)

hypotonic
hypertonic
isotonic
hypotonic and isotonic
hypertonic or isotonic


9.

You know that this cell is in a(n) _____ solution because the cell _____. (Activity 8D)

question #9

hypertonic ... lost water
hypertonic ... gained water
isotonic ... neither lost nor gained water
hypotonic ... shrunk
hypotonic ... swelled


10.

Click on the cell to start the animation. This plant cell is _____. (Activity 8D)

lysing
in a hypotonic solution
hypertonic solution
in an isotonic solution
losing water


11.

You know that this cell is in a(n) _____ solution because it _____. (Activity 8D)

question #11

hypotonic ... is turgid
hypotonic ... lysed
hypertonic ... lysed
hypertonic solution ... lost water
hypertonic ... gained water


12.

Click on the membrane protein to begin the animation. This process is referred to as _____. (Activity 8E)

phagocytosis
facilitated diffusion
osmosis
pinocytosis
active transport


13.

Structure A is a _____. (Activity 8E)

question #13

water molecule
phospholipid
transport protein
solvent
solute


14.

Structure B is a _____. (Activity 8E)

question #14

water molecule
phospholipid
transport protein
solvent
solute


15.

Click on the membrane transport protein to start the animation. Which of these is TRUE with regard to this animation? (Activity 8F)

Sodium ions are transported down their concentration gradient.
An electrochemical gradient forms across the plasma membrane.
The cell does not expend ATP.
The cell is not expending energy.
Potassium ions are transported down their concentration gradient.


16.

Endocytosis moves materials _____ a cell via _____. (Activity 8G)

into ... facilitated diffusion
into ... membranous vesicles
into ... a transport protein
out of ... diffusion
out of ... membranous vesicles


17.

Click on the vesicle. This is an animation of _____. (Activity 8G)

facilitated diffusion
exocytosis
phagocytosis
endocytosis
osmosis


18.

Click on the brown debris. This is an animation of _____. (Activity 8G)

facilitated diffusion
exocytosis
phagocytosis
diffusion
receptor-mediated endocytosis


19.

Click on the extracellular fluid. You know that this process is _____ because _____. (Activity 8G)

phagocytosis ... the cell is engulfing a large particle
pinocytosis ... the cell is engulfing a large particle
phagocytosis ... the cell is engulfing extracellular fluid
receptor-mediated endocytosis ... a receptor protein is involved
pinocytosis ... the cell is engulfing extracellular fluid


20.

Click on the receptor protein. This is an animation of _____. (Activity 8G)

facilitated diffusion
exocytosis
phagocytosis
diffusion
receptor-mediated endocytosis


21.

A white blood cell engulfing a bacterium is an example of _____. (Activity 8G)

pinocytosis
receptor-mediated endocytosis
exocytosis
phagocytosis
facilitated diffusion



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publishing as Benjamin Cummings