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emmaschloegl21x
28.07.2019 •
Biology
List the steps of preparation of temporary mount of a leaf peel to observe stomata.
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Ответ:
Step 2: One leaf piece is gently pulled and we got a transparent leaf peel.
Step 3: The leaf peel of lower epidermis is taken and cut with scissors or a blade into small pieces. These pieces transferred with the help of paintbrush into a petri dish containing water. (Do not keep them without water. They will dry)
Step 4: A piece of leaf peel is selected and transferred into another watch glass containing dilute solution of safranin (a red stain).
Step 5: With the help of paintbrush specimen is transferred back into first water containing petridish/watch glass to remove excess of stain.
Step 6: Specimen is transferred to slide with the help of brush.
Step 7: A drop of glycerine is put on the peel and it is covered carefully with a cover slip by using needle to avoid air bubbles. Excess glycerine is removed with help of a filter paper.
Step 8: The leaf peel is observed under low power of microscope.
Step 9: For inner details, again the leaf peel is observed under high power (45x) of microscope.
Hope this helps!! ;))
Have a grat day!! <3
Ответ:
2. C
3. D
4. D
5. B
Explanation:
2. All living things are made up of MULTIPLE cells, even the smallest creature has multiple cells, the cells are just smaller so that they all fit into that one creature. So the answer is that C: "Some living things are made up of only one cell", because all living things are made up of many, many cells
3. It would be Tissues, what gave it away would be that, not only is Q a long strip, which takes out Bacteria and Muscles, but then S takes out Root's which leaves Tissues. The answer is D: "Tissues", because the Q and S cross out all other answers
4. Their root system is the tissues, which work the most in plants, their tissues also help with eating, breathing, and even standing upright. The answer is D: "Tissues", it works the most for a lot of reasons
5. Connective, Muscular, Nervous, and Epithelial (which is not a part of the question) are all human tissues, so Meristem is not a human tissue, in fact, its a PLANT tissue, also known as Meristematic Cells. The answer is B: "Meristem", because it is a plant cell, not human.
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~~Yours Truly
~~~Akmp