Questions: 1. Peel a section of thin onion skin membrane and place on slide. 2. Place a few drops of iodine solution on the onion skin and cover with a cover slip. 3. Observe and sketch under lower and higher magnification. 4. Label - Cell Wall, Nucleus 1.Why does a specimen viewed under the microscope need to be thin? 2. Why did we add methylene blue to the cheek cells? 3.What structures are visible in your cheek cells? 4. What structures were visible in the Elodea cell? 5. What are some major structural differences between the plant and

1. Peel a section of thin onion skin membrane and place on slide.
2. Place a few drops of iodine solution on the onion skin and cover with a cover slip.
3. Observe and sketch under lower and higher magnification.
4. Label - Cell Wall, Nucleus
1.Why does a specimen viewed under the microscope need to be thin?
2. Why did we add methylene blue to the cheek cells?
3.What structures are visible in your cheek cells?
4. What structures were visible in the Elodea cell?
5. What are some major structural differences between the plant and

Transcript text: 1. Peel a section of thin onion skin membrane and place on slide. 2. Place a few drops of iodine solution on the onion skin and cover with a cover slip. 3. Observe and sketch under lower and higher magnification. 4. Label - Cell Wall, Nucleus 1.Why does a specimen viewed under the microscope need to be thin? 2. Why did we add methylene blue to the cheek cells? 3.What structures are visible in your cheek cells? 4. What structures were visible in the Elodea cell? 5. What are some major structural differences between the plant and

Solution

Solution Steps

Step 1: Understanding the need for thin specimens

To answer the first question, we need to understand why specimens viewed under a microscope need to be thin.

Step 2: Explanation of light passage

Thin specimens are necessary because they allow light to pass through them easily. This is crucial for clear visibility under a microscope.

Step 3: Detailed reasoning

If the specimen is too thick, light cannot penetrate it effectively, resulting in a blurry or dark image. Thin sections ensure that the cellular structures can be observed clearly.