1. Asbestosis is a disease that results in damage to the lungs because (there ma
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Question
1. Asbestosis is a disease that results in damage to the lungs because (there may be more than one answer)
a. the asbestos gets broken down by the lysosomes
b. the asbestos gets broken down by the lysosomes
c. the lysosomes that absorb the asbestos release enzymes that kill the lung tissue cells
d. the lung tissue becomes scarred and can nolonger function to bring oxygen into the blood
2. Which of the phases of cellular respiration breaks down the glucose molecule?
a. glycolysis
b. transition reaction
c. citric acid cycle
d. electron transport chain
3. Which of the following is NOT a function of the plasma membrane?
a. allows all substances to enter the cell
b. helps bind cells to eachother so that they can form tissues and organs
c. allows the cell to recognize other cells
d. allows cells to "talk" to eachother
4. Which of the following mechanisms of transport across the cell requires energy?
a. osmosis
b. endocytosis
c. facilitated diffusion
d. active transport
5. Which of the following organelles acts as the "powerhouse" of the cell, i.e. it produces the cell's energy.
a. nucleus
b. mitochondria
c. smooth endoplasmic reticulum
d. rough endoplasmic reticulum
6. Figure 3.9 in your textbook demonstrates what happens to a red blood cell when it is put into varying solutions. The bags in the beakers represent a single red blood cell.
What happens to a red blood cell when it is put into a hypertonic solution?
a. stays the same and is fully functional
b. shrinks and no longer functions the way it's supposed to
c. gets larger and no longer functions the way it's supposed to
d. the shape stays the same but the red blood cell is no longer functional
7. Which of the following real-life situations would result in the blood (note that this is referring to the liquid part of the blood, not the blood cells - the accurate name for this would actually be "blood plasma") becoming too hypotonic?
a. getting stranded in the middle of a dessert and becoming severely dehydrated
b. drinking gatorade to replenish fluids during a basketball game
c. drinking too much water so that your body can't get rid of the water quickly enough to maintain the appropriate blood plasma tonicity
d. being stranded in the middle of the ocean, drinking the salty ocean water
8. The golgi complex acts as the "UPS" of the cell - it processes and packages materials and sends them to their destinations.
True
False
9. The lysosome acts as the "stomach" of the cell; it digests particles that are no longer needed in the cell or have been taken up into the cell to be broken down.
True
False
10. We need oxygen to survive because oxygen is needed to break down glucose to form ATP. When we are deprived of oxygen, our cells suddenly stop producing ATP and we can only survive for a few minutes with whatever ATP remains in our cells.
True
False
Explanation / Answer
1)
Asbestosis is a disease that results in damage to the lungs because the lysosomes that absorb the asbestos release enzymes that kill the lung tissue cells. The lung tissue becomes scarred and can no longer function to bring oxygen into the blood.
Thus, the correct options are (c) and (d).
2)
The phase of cellular respiration break down the glucose molecule is called glycolysis. Thus, the correct option is (a).
3)
Allows all substances to enter the cell is NOT a function of the plasma membrane. Thus, the correct option is (a).
4)
The active transport requires energy transport across the cell. Thus, the correct option is (d).
5)
The mitochondria is called powerhouse of the cell. Thus, the correct option is (b).
6)
When RBC placed in hypertonic solution shrinks and no longer functions the way it's supposed to. Thus, the correct option is (b).
7)
The real-life situations would result in the blood becoming too hypotonic is being stranded in the middle of the ocean, drinking the salty ocean water. Thus, the correct option is (d).
8)
The Golgi complex acts as the "UPS" of the cell - it processes and packages materials and sends them to their destinations is a True statement.
9)
The lysosome acts as the "stomach" of the cell; it digests particles that are no longer needed in the cell or have been taken up into the cell to be broken down is a True statement.
10)
We need oxygen to survive because oxygen is needed to break down glucose to form ATP. When we are deprived of oxygen, our cells suddenly stop producing ATP and we can only survive for a few minutes with whatever ATP remains in our cells is a True statement.
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