When you treated the onion/Elodea cell with the salt solution, what happened to the cell? the...
When you treated the onion/Elodea cell with the salt solution, what happened to the cell?
|
the cell appeared to shrink |
||
|
the cell expanded in size |
||
|
there was no change in the cell |
Homework Answers
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When you treated the onion/Elodea cell with the salt solution,
what happened to the cell?
the...
Draw the slide under 400X. Indicate the cell type, magnification, and estimate the cell size. 14....
Draw the slide under 400X. Indicate the cell type, magnification, and estimate the cell size. 14. Elodea 1. Prepare a wet mount of an Elodea leaf (Anarcharis). You will use one glass slide and cover slip for this entire lab. After preparing each slide, remove the specimen and throw it into the trash. Wash the slide in the sink. Dry the slide with a paper towel very carefully and pat the cover slip dry so that the plastic does not...
A voltaic cell is made with a salt bridge of NaNO3 and Fe(NO3)2 for the anode cell and AgNO3 for the cathode cell. a. When constructing the cell, what impact odes the volume of solution in each of the...
A voltaic cell is made with a salt bridge of NaNO3 and Fe(NO3)2 for the anode cell and AgNO3 for the cathode cell. a. When constructing the cell, what impact odes the volume of solution in each of the beakers have on the cell potential? b. If you were to add deionized water to the solution that contains Ag+(aq), would this have any effect on the cell voltage? If so, Explain how the cell voltage would change and why. c....
when the elodea cells were olaces in 10% NaCl solution need help with 6&7 Part IV...
when the elodea cells were olaces in 10% NaCl solution
need help with 6&7
Part IV 6. When the Elodea cells were placed in 10% NaCl solution: a. Describe any visible change you observed that took place in the cells. b. Describe the direction of movement (NOT net movement) of water. c. Describe the direction of net movement of water across the plasma membrane. Then, explain why it occurred in that direction. 7. When the Elodea cells were placed back...
When 5% NaCl solution is used to mount red onion cells, what do you expect to...
When 5% NaCl solution is used to mount red onion cells, what do you expect to see under a microscope? Also the phenomenon happening in the above cells is called as Briefly explain what emulsification is.
Which of the two micrographs shown below is from the red onion epidermis cells before and...
Which of the two micrographs shown below is from the red onion epidermis cells before and which one is after the plasmolysis? Please label accordingly. Next, please label the cytoplasm and the nucleus on both images. To observe the plasmolysis with the red onion epidermis cells shown above, the specimen should be treated with a _______ (hypertonic or hypotonic) solution. What is meant by the terms hypertonic, hypotonic, and isotonic ? Explain the expected results when animal cell is placed...
A red blood cell is placed in a solution of 5% NaCl. What will happen to...
A red blood cell is placed in a solution of 5% NaCl. What will happen to the cell in this solution? a. it will shrink b impossible to tell with the given information c no change in volume d it will expand
2. In wh o were most of the onion roat tp 7 Based on what you...
2. In wh o were most of the onion roat tp 7 Based on what you know about all oyole division, what does this imply about the life span of noel? 3. Were there any stages of the cell cycle that you did not observe? How can you explain this using evidence from the cell oyale? 4. As a cell grows, what happens to its surface area to volume ratio? (Hint Think of a balloon being blown up). How does...
Font Paragraph 1. A cell is placed into an unknown solution and allowed to come to...
Font Paragraph 1. A cell is placed into an unknown solution and allowed to come to equilibrium. The volume of the cell is ultimately found to have increased. Which of the following statements is DEFINITELY TRUE concerning the original unknown solution? Assume all solutes inside the cell are not permeable to the cell membrane. (4 points) a. The original solution was hyposmotic to the cell b. The original solution could have been hyposmotic or isosmotic to the cell but not...
A cell is found with the following concentrations of solutes inside 2. A cell is found...
A cell is found with the following concentrations of solutes
inside
2. A cell is found with the following concentrations of solutes inside: 300 mM glucose and 150 mM Cach. The cell membrane of these cells is made with pores which are permeable to glucose but not to ions. These cells are isolated and then placed in a 150 mM CaCl2. What happened to the cells after the solution and the cells come to equilibrium? (4 Points) a. They cells...
Bromination of Cinnamic Acid- What is the chemical reaction that happened when you added a few...
Bromination of Cinnamic Acid- What is the chemical reaction that happened when you added a few drops of cyclohexene to remove the color in the product solution? Give a complete balanced chemical equation with proper stereochemistry.
Draw the slide under 400X. Indicate the cell type, magnification, and estimate the cell size. 14. Elodea 1. Prepare a wet mount of an Elodea leaf (Anarcharis). You will use one glass slide and cover slip for this entire lab. After preparing each slide, remove the specimen and throw it into the trash. Wash the slide in the sink. Dry the slide with a paper towel very carefully and pat the cover slip dry so that the plastic does not...
when the elodea cells were olaces in 10% NaCl solution
need help with 6&7
Part IV 6. When the Elodea cells were placed in 10% NaCl solution: a. Describe any visible change you observed that took place in the cells. b. Describe the direction of movement (NOT net movement) of water. c. Describe the direction of net movement of water across the plasma membrane. Then, explain why it occurred in that direction. 7. When the Elodea cells were placed back...
When 5% NaCl solution is used to mount red onion cells, what do you expect to see under a microscope? Also the phenomenon happening in the above cells is called as Briefly explain what emulsification is.
Which of the two micrographs shown below is from the red onion epidermis cells before and which one is after the plasmolysis? Please label accordingly. Next, please label the cytoplasm and the nucleus on both images. To observe the plasmolysis with the red onion epidermis cells shown above, the specimen should be treated with a _______ (hypertonic or hypotonic) solution. What is meant by the terms hypertonic, hypotonic, and isotonic ? Explain the expected results when animal cell is placed...
2. In wh o were most of the onion roat tp 7 Based on what you know about all oyole division, what does this imply about the life span of noel? 3. Were there any stages of the cell cycle that you did not observe? How can you explain this using evidence from the cell oyale? 4. As a cell grows, what happens to its surface area to volume ratio? (Hint Think of a balloon being blown up). How does...
Font Paragraph 1. A cell is placed into an unknown solution and allowed to come to equilibrium. The volume of the cell is ultimately found to have increased. Which of the following statements is DEFINITELY TRUE concerning the original unknown solution? Assume all solutes inside the cell are not permeable to the cell membrane. (4 points) a. The original solution was hyposmotic to the cell b. The original solution could have been hyposmotic or isosmotic to the cell but not...
A cell is found with the following concentrations of solutes
inside
2. A cell is found with the following concentrations of solutes inside: 300 mM glucose and 150 mM Cach. The cell membrane of these cells is made with pores which are permeable to glucose but not to ions. These cells are isolated and then placed in a 150 mM CaCl2. What happened to the cells after the solution and the cells come to equilibrium? (4 Points) a. They cells...
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