Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Question
Create a scatterplot showing the change in mass as a function of sucrose concentration.

Transcribed Image Text:Slon/bpmcpldpdmajligpchkicefoigmkfalc/views/app.html
Normal
三三
POTATO OSMOSIS LAB
BACKGROUND:
Molecules are constantly in motion as a result of a cell's stored kinetic energy, which causes them to
bump into each other and move in random new directions. Diffusion is the movement of molecules from
an area of where there are many (high concentration) to an area where there are fewer (low
concentration). Osmosis is the diffusion of water through a semipermeable membrane. It is important to
remember that a semipermeable membrane allows the solvent (usually water) to pass through, but
restricts the movement of a solute (a thing dissolved in the solvent). Water will move across a
semipermeable membrane from an area of lower solute concentration to an area of higher solute
concentration.
When each side of a membrane has equal solute concentration, the solution is said to be isotonic and
water molecules will be equally likely to move in both directions across the membrane. In the case of a
hypertonic solution, there is more solute outside the cell than inside the cell. Hypertonic solutions cause
water molecules to move out of the cell and into the region of higher solute concentration. Conversely,
in hypotonic solutions there is a higher solute concentration inside the cell than outside, and water
molecules move into the cell. Whenever possible, water will always move from an area of high water
concentration/low solute concentration to an area of low water concentration/high solute
concentration.
In this activity, we are going to explore osmosis by looking at a dataset produced with a classic classroom
experiment. The experiment uses pieces of potato that are placed in six different solutions of water each
with a different solute concentration. The solute is sucrose and the concentrations are measured in units
of molarity. The solutions range from no solute to a high concentration of solute and are 0.0 (distilled
water), 0.2, 0.4, 0.6, 0.8 and 1.0 molar sucrose.
Pieces of potato are cut to similar sizes, weighed, and then placed in one of the six solutions overnight.
The next day, the potato pieces are removed from the solutions, blotted dry, and their final masses are
recorded.

Transcribed Image Text:SUCIOse Conoontratbn (Mibrity)
Eb Group Name
The Guna PUs
The Gulna Pts
The Guna PUs
Aral Mass (o)
5.12879
3.7544
3.8141
Intal Ma (0)
MEs Chargo 6)
4.01
27.9
12
0.2
3.8
0.4
4.3
113
27.3
0.6
3.6
The Guna PUs
The Guna Pbs
5
2.6172
0.8
3.1
2.1069
ED.01
The Guna Pus
Team Opportunity
Taam Opporturity
Taam Opporturity
1.
3.9
2.7339
4.75986
29.9
4.2
13.33
4
3.8644
3.39
0.4
4.1
3.32576
10
Toam Opporturity
12 Taam Opportunity
Team Opporturity
4
15 SoBasc
16 SoBasc
17 SoBasc
-8.64
0.6
3.3
2.43441
-25.23
0.8
4.1
3.02088
2.61553
-26.32
13
3.7
-3.31
14
So Basic
3.6
4.13316
4.43088
14.81
0.2
4.8
7.69
0.4
2.9
2.45398
再E 28
0.6
3.5
2.6022
-22.08
18 SoBasic
So Basic
2.1
4.1
3.9
0.8
1.53468
-26.92
19
20 Mghty-chandrias
21 Mighty-chandras
22 Mohty-chandrias
23 Mghty.chandras
24 Mghtychandras
Mghty-chandras
26 M Sdertists
7 Ma Soortists
28 Mad Sdertists
29 Ma Soortists
1
2.83B02
-30.78
4.9062
25.8
0.2
3.3
3.5013
0.4
4.3
4.0506
0.6
3.7
3.5
0.6
2.8046
24.2
0.8
2562
2.0482
26 8
461
3.8
5.54714
4.6
3.8
2.9
0.59
0.2
3.91172
0.4
0.6
2.94
-14.52
2.47892
2.05713
2.62589
2.7
-23.81
30 Mad Soortists
31
0.8
3.7
-29.03
28.33
Mad Sdertists
3.8
2.72346
32 DNAweome
8 DNAwesome
4.1
3.1
4715
3.00886
15
2.94
33
34 DNAweome
DNAweom
0.2
0.4
3.5
2.88225
-17.65
17.18
-20.59
.24
212
35
36 DNAweome
0.6
4.3
4.7
3.56126
3.73227
3.0304
0.8
37 DNAWeome
3Contagoir intaligance
39 Contagou intaligence
40 Contagous Intaligence
41 Contagour Intaligance
42 CantagoLE Intaligence
43 Contagou intaligance
44 SW Got Ths
45 F Got This
1
0.2
3.8
3.1
29
3.6
4.3
4,1
4.0.28
2.7373
2.1895
56
1.7
24.5
229
448
223
0.4
2.3/36
50143
4:0071
02
0.4
0.6
0.8
EWe Got Th5
3.8
3.4
47 SWo Got Tas
48 #Vk Gof Ths
49 Wo Got Ths
50 impocter
51 impater
18.18
334
33
52 impoter
53 impozter
54 impotot
55 impoter
0.4
0.6
0.8
56
58
59
60
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