BIO201 Lab 4
.docx
keyboard_arrow_up
School
Straighterline *
*We aren’t endorsed by this school
Course
201
Subject
Biology
Date
Jun 18, 2024
Type
docx
Pages
10
Uploaded by BrigadierDiscovery18367
Lab 4 Diffusion and Osmosis
BIO201L
Student Name:
Kadesha Alawar-Taylor.
Access Code (located on the lid of your lab kit):
AC-920H4U.
Lab Report Format Expectations
Utilize college level grammar and professional formatting when completing this worksheet. Submissions without proper formatting, all required photos or sufficient responses will be rejected. Pre-
lab Questions
1.
Define the following terms.
a.
hypertonic solution:
Hypertonic solution is one with a higher solute concentration than the solute concentration on the opposite side of the permeable embrane.
b.
hypotonic solution:
A solution with a lower solute concentration than the solute concentration on the opposite side of the permeable membrane.
c.
isotonic solution:
a solution with equal solute and concentration of both sides.
2.
Define osmotic pressure.
Osmotic pressue is the force required to prevents osmosis or lyse of cells. It is the pressure in cels due to the concentration levels of solutes and solvents.
3.
Explain what would happen to a cell placed in a hypertonic solution.
Because the concentration os olutes is greater than the concentration of solvents in the cell, if a cell was placed into a hypertonic soluton, the water from nside the cell would diffuse to the outside and cause the cell to shrink.
Lab 4 Diffusion and Osmosis
BIO201L
EXPERIMENT 1: DIFFUSION THROUGH A LIQUID
Introduction Questions
1.
State the molecular weight of the blue dye in grams per mole.
Click here to enter text.
2.
State the molecular weight of the red dye in grams per mole. Click here to enter text.
3.
Why does this experiment require two dyes of different molecular weights? Answer this question, ensuring you explain the purpose of these two dyes in relation to the experiment. Click here to enter text.
Lab 4 Diffusion and Osmosis
BIO201L
Data and Observations
Record the diameters you observed for both dyes in the table below. Table 1: Rate of Diffusion in Corn Syrup
Time (sec)
Blue Dye
Red Dye
10
Input
Input
20
Input
Input
30
Input
Input
40
Input
Input
50
Input
Input
60
Input
Input
70
Input
Input
80
Input
Input
90
Input
Input
100
Input
Input
110
Input
Input
120
Input
Input
Calculate the speed of diffusion and present this, along with the required data, for both dyes below in Table 2. To calculate the hourly diffusion rate, multiply the total distance diffused by 30
. Table 2: Speed of Diffusion of Different Molecular Weight Dyes
Structure
Molecular Weight
Total Distance
Traveled (mm)
Speed of Diffusion
(mm/hr)*
Blue Dye
Input
Input
Input
Red Dye
Input
Input
Input
Results and Discussion
1.
Examine the plot below. How well does it match the data you took in Table 1?
Lab 4 Diffusion and Osmosis
BIO201L
Click here to enter text.
2.
Which dye diffused the fastest?
Click here to enter text.
3.
How does the rate of diffusion correspond with the molecular weight of the dye?
Click here to enter text.
4.
Does the rate of diffusion change over time? Why or why not? Click here to enter text.
EXPERIMENT 2: DIFFUSION - CONCENTRATION GRADIENTS AND MEMBRANE PERMEABILITY
Introduction Questions
1.
What is the purpose of Step 5 in this experiment? Click here to enter text.
2.
Why is it necessary to have positive and negative controls in this experiment?
Click here to enter text.
Your preview ends here
Eager to read complete document? Join bartleby learn and gain access to the full version
- Access to all documents
- Unlimited textbook solutions
- 24/7 expert homework help
Related Questions
Hello, I hope you're doing great!
I need help with these worksheets.
I need to know the function and the cell form(columnar, Cuboidal, and
Squamous, and where the nucleus is located(in the center or the edge of the cell).
Ignore my answers, they might be wrong!
I am sorry if this is a lot to ask for, but I need to know for my exam
Thank you!
arrow_forward
Question: Name Class Date Scientific Method Review
arrow_forward
Direction: Read and analyze the following laboratory experiment and answer the
following question.
PART 1: SURFACE AREA AND CELL SIZE
Materials: Agar containing NaOH, and the pH-indicator dye phenolphthalein
cured into cubes of various size, 3 plastic cups, HCl, metric ruler, paper towels.
Methodology:
1. Safety: Wear goggles and nitrile gloves while completing this lab.
2. Obtain three different size blocks of pink or blue agar. Using a ruler,
measure the length, width, and height of the three blocks given below. Cut
the agar according to the given dimension.
Small = 1 cm x 1 cm x 1 cm
Medium = 2 cm x 2 cm x 2 cm
•
• Large = 1 cm x 1 cm x 6 cm
3. Record your data.
4.
Pour HCl or vinegar into two small cups. Place the one larger "cell" into one
cup and the two smaller cells in the other cup. Start timing 30 minutes.
5. After 30 minutes, remove the cells and blot them dry with a paper towel.
6. Using your ruler, measure the distance the HCl has diffused into the blocks
as shown on the…
arrow_forward
Please do the experiment and use it as help to complete this activity.
Please upload all the answers with explanations and fill in the table.
arrow_forward
3:53 1 + t A
42.0
KB/S
7i ul l 62
chegg.com/homework-h
1
home / study / science / anatomy and physiology / anatomy and physiology questions and answers / asked with an image
Your question has been posted.
We'll notify you when a Chegg Expert has answered. Post another question.
O Next time just snap a photo of your problem. No typing,
no scanning, no explanation required.
Get Chegg Study App
Question:
O Edit question
Nerve
Origin Movements muscles
innervated
Cutaneous or sensory
innervation
allary
radial
Muscilo-cutaneous
ulnar
median
obturator
Femoral nerve
tibial
Common fibular
nerves
Deep fibular nerve
Superficial fibular
nerve
Sciatic nerve
Gluteal nerves
Pudendal nerves
Mioinguinal nerve
Lumbosacral nerves
Expert Answero
This question hasn't been answered
COMPANY
LEGAL & POLICIES
CHEGO PRODUCTS AND SERVICES
CHEGO NETWORK
About Chegg
Chegg For Good
College Marketing
Mobile Apps
EasyBib
Internships.com
Advertising Choices
Cheap Textbooks
Cookie Notice
Chegg Coupon
Sell Textbooks…
arrow_forward
Highlight any text to hear
text-to-voice speech.
Course Progress: 99%
Powered by Google Trahsiate
To translate this page, select a language:
Highlight any text to hear text-to-voice speech.
Go to next question on answer
Time Left: 85 Min.
Question 10 of 25
10. Which of the following is a disorder in which red blood cells are found in
urine?
OA. Uremia
OB. Polyuria
OC. Anuria
OD. Hematuria
Back
Review
Grade/Exit
Next
arrow_forward
I am struggling with drawing and annotating of dissected sheep's heart. I would like to see how experts draw and annotate sheep heart and answer the questions.
arrow_forward
PLEASE ANSWER IT ASAP FOR AN UPVOTE. THANKS.
arrow_forward
question: Can you summarize and explain for me what you want to tell in the article below? Can you explain the figure? When I read it myself, I do not understand exactly what is meant by the article. It would be nice if you could highlight the important points. You can use them in a figure or diagram to explain. thank you and hava a nice day :)
Article:
Nanotechnology Tools to Detect SARS-CoV-2
Standard procedures for detecting the virus from nasopharyngeal and/or oropharyngeal swabs have been reviewed recently and are primarily based on reverse transcription polymerase chain reaction (RT-PCR). Here, we would like to mention some preliminary ideas on nanotechnology-based assays to monitor the presence of SARS-CoV-2. A simplified test and variants thereof to detect viral proteins (e.g., HIV or influenza virus) without the need for expensive equipment is based on the color change of Au NPs bound to antibodies. Similar to the enzyme-linked immunosorbent assay (ELISA) antibodies coupled…
arrow_forward
d Quiz: Apartic X
+
.com/courses/42082/assignments/271401
Guidelines
h the lecture video below and take notes. Complete the embedded quiz by Due Date..
Technical Support
a help using Kaltura Quizzes? If so, please review the following guide:
altura Video Quizzes - How to Take a Quize
Atanzavir inhibits HIV-protease by mimicking the transition state of the hydrolysis
reaction
true
false
Next
evious
MacBook Pro
Q Search Secure Search
(
)
*
&
2$
%3D
5
6
7
9
arrow_forward
Questions:
For the first two questions, refer to this photo of a
SDS PAGE of ladder and antibody.
The lane on the left (1) shows a protein ladder and the
lane on the right (2) shows antibody.
Question
1a. How many different proteins are in the protein ladder?
1b. Ladder and antibody samples are loaded into different
the gel.
1c. The approximate size (in kDa) of "Heavy Chain" is:
1d. The approximate size (in kDa) of "Light Chain" is:
on
Answer
188
kDa
93-
38-
28-
18-
14
6-
3-
12
-heavy chain
-light chain
arrow_forward
I’m not sure if I am correct or not
arrow_forward
testnavclient.psonsvc.net/#/question/3c84727c-923f-43e6-b886-7a4df16a5c34/87dc7a9e-4def-4dd2-8ad8-724b9a914198
Review -
A Bookmark
tete, edilmar
AKE S2 Bio Unit 5B Common Unit Assessment / 1 of 9
II Pau
Use the picture to answer the following question.
Plant Grasshopper Frog
Snake
Eagle
Suppose 10,000 units of energy are available at the level of the plants. How many energy units would be passed from the
frog to the snake?
O A. 100 units
O B. 1,000 units
O C. 10 units
D. 10,000 units
Sign out
arrow_forward
Adaptive Learning by PrepU
Question 2 of 5
A 3-year-old child is to receive 500 ml of dextrose 5% in normal saline (D5NSS) solution over 8
hours. At what rate (in milliliters/hour) would the nurse set the infusion pump? Record your
answer using one decimal place.
arrow_forward
Please help me answer correctly the table this is my assignment in biochem lab
Procedure:
1. Prepare 5 test tubes. Place 1 ml of 1% starch and add 10 drops of saliva to
each tube. Mix thoroughly.
2. Place the first tube in ice water, the 2nd
tube leave at room temperature, the 3rd
tube in 40°C , the 4th
tube at 60°Cwater bath and the 5th
tube boil for 2
minutes..
3. Leave the 4 tubes in their respective temperatures for 30 minutes. The 4th
tube
allows to stand for 30 minutes after heating for 2 minutes.
4. Test the contents of each tube with iodine and benedict’s tests.
arrow_forward
I need answers
arrow_forward
question: Can you summarize and explain for me what you want to tell in the article below? When I read it myself, I do not understand exactly what is meant by the article. It would be nice if you could highlight the important points. You can use them in a figure or diagram to explain. thank you and hava a nice day :)
Article:
Nanotechnology Tools to Inactivate SARS-CoV-2 in Patients
The main target of SARS-CoV-2 is the respiratory tract (upper airways, lung), although other organs might also be infected (e.g., gut, kidney) and vasculature also appears to be a prime target. The expression of ACE2 probably determines uptake by different tissues.
In addition to discussing immune-based approaches, because the lung is the most critically affected organ, we will center our discussion on the various options to inactivate the virus in the deep lung and to target the essential host cells for drug delivery. The virus reaches the alveoli and enters alveolar epithelial type II cells (AECII), due…
arrow_forward
question: Can you summarize and explain for me what you want to tell in the article below? Can you explain the figure? When I read it myself, I do not understand exactly what is meant by the article. It would be nice if you could highlight the important points. You can use them in a figure or diagram to explain. thank you and hava a nice day :)
Article:
Nanotechnology Tools to Inactivate SARS-CoV-2 in Different Environments Outside the Patient
SARS-CoV is highly stable at room temperature and at 4 °C, but it is inactivated by ultraviolet light at 254 nm, highly alkaline or acidic conditions of pH >12 or pH <3, respectively, or by brief (e.g., 5 min) heat treatment at 65 °C. SARS-CoV-2 is expected to be similarly sensitive. Several human coronaviruses can be inactivated by classical disinfectants, including bleach, ethanol, povidone-iodine, chloroxylenol, chlorheximide, and benzalkonium chloride, so we expect similar inactivation with SARS-CoV-2. The virus stability on surfaces…
arrow_forward
please help me with question
arrow_forward
Topic:
Recombinant pharmaceuticals (for the production of insulin, human growth hormone or blood clotting factors)
Questions:
Give a research scientist (not a company) who laid the foundation for this process OR is currently working in an area involving this process.
arrow_forward
courses/49703/quizzes/244266/take/questions/4605424
at is cieariy outside tne scope or our iecture fiotes anid labs Tor any reason, your score W
ro.
ote***You are allowed to use blank scratch paper to help you on the exam.
nank you for your cooperation everyone, and good luck!
Question 4
What term is most closely associated with the term "differentiation"?
new growth
O taking on a cellular fate
O mitosis
O genetic mutation
O translation
« Previous
No new data to save. Last checked at 9:42.
FEB
23
arrow_forward
answer properly and Please show work.
arrow_forward
b My Questions | bar
Bb Instruction-final-ex: X
Bb Bioimaging-homew x
Bb Bioimaging-homew x
Bb Homework #3-202 x
Homework #2 - sol X
Bb Course Materials
+
final-exam-bme-42 x
A mycourses.binghamton.edu/bbcswebdav/pid-1863657-dt-content-rid-17777488_1/courses/1Q202120/final-exam-bme-424-526-bioimaging-2021%281%29.pdf
final-exam-bme-424-526-bioimaging-2021(1).pdf
7 |7 | -
100%
Specify the resolution in [mm] of each medical imaging modality.
Resolution in [mm]
Medical imaging modality
1: X-ray projection radiography
2: X-ray CT
3: SPECT/PEТ
4: MRI
7:36 AM
O Type here to search
5/24/2021
arrow_forward
INSTRUCTIONS:
Please do not copy here in Bartleby or in Google.
QUESTIONS :
1. What is the importance of the aseptic technique? Explain.
arrow_forward
SEE MORE QUESTIONS
Recommended textbooks for you
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education
Related Questions
- Hello, I hope you're doing great! I need help with these worksheets. I need to know the function and the cell form(columnar, Cuboidal, and Squamous, and where the nucleus is located(in the center or the edge of the cell). Ignore my answers, they might be wrong! I am sorry if this is a lot to ask for, but I need to know for my exam Thank you!arrow_forwardQuestion: Name Class Date Scientific Method Reviewarrow_forwardDirection: Read and analyze the following laboratory experiment and answer the following question. PART 1: SURFACE AREA AND CELL SIZE Materials: Agar containing NaOH, and the pH-indicator dye phenolphthalein cured into cubes of various size, 3 plastic cups, HCl, metric ruler, paper towels. Methodology: 1. Safety: Wear goggles and nitrile gloves while completing this lab. 2. Obtain three different size blocks of pink or blue agar. Using a ruler, measure the length, width, and height of the three blocks given below. Cut the agar according to the given dimension. Small = 1 cm x 1 cm x 1 cm Medium = 2 cm x 2 cm x 2 cm • • Large = 1 cm x 1 cm x 6 cm 3. Record your data. 4. Pour HCl or vinegar into two small cups. Place the one larger "cell" into one cup and the two smaller cells in the other cup. Start timing 30 minutes. 5. After 30 minutes, remove the cells and blot them dry with a paper towel. 6. Using your ruler, measure the distance the HCl has diffused into the blocks as shown on the…arrow_forward
- Please do the experiment and use it as help to complete this activity. Please upload all the answers with explanations and fill in the table.arrow_forward3:53 1 + t A 42.0 KB/S 7i ul l 62 chegg.com/homework-h 1 home / study / science / anatomy and physiology / anatomy and physiology questions and answers / asked with an image Your question has been posted. We'll notify you when a Chegg Expert has answered. Post another question. O Next time just snap a photo of your problem. No typing, no scanning, no explanation required. Get Chegg Study App Question: O Edit question Nerve Origin Movements muscles innervated Cutaneous or sensory innervation allary radial Muscilo-cutaneous ulnar median obturator Femoral nerve tibial Common fibular nerves Deep fibular nerve Superficial fibular nerve Sciatic nerve Gluteal nerves Pudendal nerves Mioinguinal nerve Lumbosacral nerves Expert Answero This question hasn't been answered COMPANY LEGAL & POLICIES CHEGO PRODUCTS AND SERVICES CHEGO NETWORK About Chegg Chegg For Good College Marketing Mobile Apps EasyBib Internships.com Advertising Choices Cheap Textbooks Cookie Notice Chegg Coupon Sell Textbooks…arrow_forwardHighlight any text to hear text-to-voice speech. Course Progress: 99% Powered by Google Trahsiate To translate this page, select a language: Highlight any text to hear text-to-voice speech. Go to next question on answer Time Left: 85 Min. Question 10 of 25 10. Which of the following is a disorder in which red blood cells are found in urine? OA. Uremia OB. Polyuria OC. Anuria OD. Hematuria Back Review Grade/Exit Nextarrow_forward
- I am struggling with drawing and annotating of dissected sheep's heart. I would like to see how experts draw and annotate sheep heart and answer the questions.arrow_forwardPLEASE ANSWER IT ASAP FOR AN UPVOTE. THANKS.arrow_forwardquestion: Can you summarize and explain for me what you want to tell in the article below? Can you explain the figure? When I read it myself, I do not understand exactly what is meant by the article. It would be nice if you could highlight the important points. You can use them in a figure or diagram to explain. thank you and hava a nice day :) Article: Nanotechnology Tools to Detect SARS-CoV-2 Standard procedures for detecting the virus from nasopharyngeal and/or oropharyngeal swabs have been reviewed recently and are primarily based on reverse transcription polymerase chain reaction (RT-PCR). Here, we would like to mention some preliminary ideas on nanotechnology-based assays to monitor the presence of SARS-CoV-2. A simplified test and variants thereof to detect viral proteins (e.g., HIV or influenza virus) without the need for expensive equipment is based on the color change of Au NPs bound to antibodies. Similar to the enzyme-linked immunosorbent assay (ELISA) antibodies coupled…arrow_forward
- d Quiz: Apartic X + .com/courses/42082/assignments/271401 Guidelines h the lecture video below and take notes. Complete the embedded quiz by Due Date.. Technical Support a help using Kaltura Quizzes? If so, please review the following guide: altura Video Quizzes - How to Take a Quize Atanzavir inhibits HIV-protease by mimicking the transition state of the hydrolysis reaction true false Next evious MacBook Pro Q Search Secure Search ( ) * & 2$ %3D 5 6 7 9arrow_forwardQuestions: For the first two questions, refer to this photo of a SDS PAGE of ladder and antibody. The lane on the left (1) shows a protein ladder and the lane on the right (2) shows antibody. Question 1a. How many different proteins are in the protein ladder? 1b. Ladder and antibody samples are loaded into different the gel. 1c. The approximate size (in kDa) of "Heavy Chain" is: 1d. The approximate size (in kDa) of "Light Chain" is: on Answer 188 kDa 93- 38- 28- 18- 14 6- 3- 12 -heavy chain -light chainarrow_forwardI’m not sure if I am correct or notarrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Human Anatomy & Physiology (11th Edition)BiologyISBN:9780134580999Author:Elaine N. Marieb, Katja N. HoehnPublisher:PEARSONBiology 2eBiologyISBN:9781947172517Author:Matthew Douglas, Jung Choi, Mary Ann ClarkPublisher:OpenStaxAnatomy & PhysiologyBiologyISBN:9781259398629Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa StouterPublisher:Mcgraw Hill Education,
- Molecular Biology of the Cell (Sixth Edition)BiologyISBN:9780815344322Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter WalterPublisher:W. W. Norton & CompanyLaboratory Manual For Human Anatomy & PhysiologyBiologyISBN:9781260159363Author:Martin, Terry R., Prentice-craver, CynthiaPublisher:McGraw-Hill Publishing Co.Inquiry Into Life (16th Edition)BiologyISBN:9781260231700Author:Sylvia S. Mader, Michael WindelspechtPublisher:McGraw Hill Education
Human Anatomy & Physiology (11th Edition)
Biology
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:PEARSON
Biology 2e
Biology
ISBN:9781947172517
Author:Matthew Douglas, Jung Choi, Mary Ann Clark
Publisher:OpenStax
Anatomy & Physiology
Biology
ISBN:9781259398629
Author:McKinley, Michael P., O'loughlin, Valerie Dean, Bidle, Theresa Stouter
Publisher:Mcgraw Hill Education,
Molecular Biology of the Cell (Sixth Edition)
Biology
ISBN:9780815344322
Author:Bruce Alberts, Alexander D. Johnson, Julian Lewis, David Morgan, Martin Raff, Keith Roberts, Peter Walter
Publisher:W. W. Norton & Company
Laboratory Manual For Human Anatomy & Physiology
Biology
ISBN:9781260159363
Author:Martin, Terry R., Prentice-craver, Cynthia
Publisher:McGraw-Hill Publishing Co.
Inquiry Into Life (16th Edition)
Biology
ISBN:9781260231700
Author:Sylvia S. Mader, Michael Windelspecht
Publisher:McGraw Hill Education