Pre-Lab Questions
1. Identify three major similarities and differences between prokaryotic and eukaryotic cells.
Similarities –
1.
2.
3.
Differences –
1.
2.
3.
Experiment 1: Cell Structure and Function
Label each of the arrows in the following slide image:
A –
B –
C –
D –
Post-Lab Questions
1. What organelle
a. is composed of RNA and protein?
b. is composed of a system of canals for transport of molecules through the cell?
c. is the site where the most energy is obtained from carbohydrates?
d. is the site of packaging of cellular secretions?
e. is not found in animal cells?
f. is found in the nucleus?
g. is a fluid-filled sac that stores food and water?
h. contains enzymes for intracellular digestion?
1. Would a cell be able to survive without mitochondria? Why or why not?
2. Do you think that a plant cell, which already has a stiff, strong cell wall, still really needs a cell membrane? Explain why or why not.
3. What is the largest animal cell? Why aren’t there cells one (1) foot in diameter or larger?
Experiment 2: Osmosis – Direction and Concentration Gradients
|
Table 3: Sucrose Concentration vs. Tubing Permeability |
|||||
|
Band Color |
% Sucrose in Beaker |
% Sucrose in Bag |
Initial Volume (mL) |
Final Volume (mL) |
Net Displacement (mL) |
|
Yellow |
|
|
|
|
|
|
Red |
|
|
|
|
|
|
Blue |
|
|
|
|
|
|
Green |
|
|
|
|
|
Post-Lab Questions
1. For each of the tubing pieces, identify whether the solution inside was hypotonic, hypertonic, or isotonic in comparison to the beaker solution in which it was placed.
Yellow –
Red –
Blue –
Green –
2. Which tubing increased the most in volume? Explain why this happened.
3. What would happen if the tubing with the yellow band was placed in a beaker of distilled water?
4. If you wanted water to flow out of a tubing piece filled with a 50% solution, what would the minimum concentration of the beaker solution need to be?
5. Based upon what you observed in this experiment, why is being adrift in the middle of the ocean on a raft equivalent to being lost in the middle of the desert?
At 111papers.com, we value all our customers, and for that, always strive to ensure that we deliver the best top-quality content that we can. All the processes, from writing, formatting, editing, and submission is 100% original and detail-oriented. With us, you are, therefore, always guaranteed quality work by certified and experienced writing professionals. We take pride in the university homework help services that we provide our customers.
As the best homework help service in the world, 111 Papers ensures that all customers are completely satisfied with the finished product before disbursing payment. You are not obligated to pay for the final product if you aren’t 100% satisfied with the paper. We also provide a money-back guarantee if you don’t feel that your paper was written to your satisfaction. This guarantee is totally transparent and follows all the terms and conditions set by the company.
Read moreAll products that we deliver are guaranteed to be 100% original. We check for unoriginality on all orders delivered by our writers using the most advanced anti-plagiarism programs in the market. We, therefore, guarantee that all products that we submit to you are 100% original. We have a zero-tolerance policy for copied content. Thanks to our strict no plagiarized work rule, you can submit your homework to your professor without worrying.
Read moreTThis is one of the most cherished courtesy services that we provide to help ensure that our customers are completely satisfied with our finished products. Delivering the best final product to our customers takes multiple inputs. 111papers.com prides itself on delivering the best university homework help services in the writing industry. And, in part, our free revision policy is how we do it. What’s more, all our revisions are 100% free without any strings attached.
Read moreClient privacy is important to use. We know and understand just how important customers value their privacy and always want to safeguard their personal information. Thus, all the information that you share with us will always remain in safe custody. We will never disclose your personal information to any third party or sell your details to anyone. 111 Papers uses the most sophisticated, top-of-the-line security programs to ensure that our customers’ information is safe and secured.
Read morePlacing your order with us means that you agree with the homework help service we provide. We, in turn, will endear to ensure that we do everything we can to deliver the most comprehensive finished product as per your requirements. We will also count on your cooperation to help us deliver on this mandate. Yes, we also need you to ensure that you have the highest-quality paper.
Read more