Human Physiology: From Cells to Systems (MindTap Course List)
Human Physiology: From Cells to Systems (MindTap Course List)
9th Edition
ISBN: 9781285866932
Author: Lauralee Sherwood
Publisher: Cengage Learning
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Orte
ent
movement when thermal motion or
How can pressure, size of the molecule, and viscosity affect the rate of diffusion,
respectively?
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Transcribed Image Text:Orte ent movement when thermal motion or How can pressure, size of the molecule, and viscosity affect the rate of diffusion, respectively?
Analyze Figure 3.7 and come up with comparisons regarding the difference in the
concentration of water surrounding the red blood cell. Describe its overall effect on the cell.
Complete the table below.
Relative Concentration
Effect on Cell from Having
This Environment
Hypertonic
H₂O
Hypertonic
Isotonic
(high, low, equal) (shrink, enlarge, same)
ele, Jeaune
Isotonic
1.916 C
H₂O
H₂O
Hypotonic
Figure 3.7. Effect of different solutions on blood cells.
Hypotonic
(shrink, enlarge,
same)
Since a plant cell is surrounded by a cellulose-rich cell wall and its inside has a large
central vacuole, what will happen when it is placed in a hypotonic solution?
Active Transport
When the cell needs nutrients at a higher concentration than it typically receives or at a
faster rate than what simple diffusion can offer, it utilizes additional metabolic energy against
the concentration gradient to move molecules across the membrane. This process is known as
active transport.
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Transcribed Image Text:Analyze Figure 3.7 and come up with comparisons regarding the difference in the concentration of water surrounding the red blood cell. Describe its overall effect on the cell. Complete the table below. Relative Concentration Effect on Cell from Having This Environment Hypertonic H₂O Hypertonic Isotonic (high, low, equal) (shrink, enlarge, same) ele, Jeaune Isotonic 1.916 C H₂O H₂O Hypotonic Figure 3.7. Effect of different solutions on blood cells. Hypotonic (shrink, enlarge, same) Since a plant cell is surrounded by a cellulose-rich cell wall and its inside has a large central vacuole, what will happen when it is placed in a hypotonic solution? Active Transport When the cell needs nutrients at a higher concentration than it typically receives or at a faster rate than what simple diffusion can offer, it utilizes additional metabolic energy against the concentration gradient to move molecules across the membrane. This process is known as active transport.
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