Here are FOUR stages in the PREPARATION of a microscope ilide to view some ONION cells. Which happens THIRD? Place the slide on the STAGE and set the microscope's OBJECTIVE lens initially to LOW POWER Carefully add a drop of IODINE dye to the slide Using TWEEZERS, peel off thin membrane from a small piece of onion and place it on a glass slide Starting with one edge touching the slide, drop a glass COVER SLIP over the onion by lowering it with a pin to AVOID AIR BUBBLES

Question

Here are FOUR stages in the PREPARATION of a microscope ilide to view some ONION cells. Which happens THIRD? Place the slide on the STAGE and set the microscope's OBJECTIVE lens initially to LOW POWER Carefully add a drop of IODINE dye to the slide Using TWEEZERS, peel off thin membrane from a small piece of onion and place it on a glass slide Starting with one edge touching the slide, drop a glass COVER SLIP over the onion by lowering it with a pin to AVOID AIR BUBBLES

Answer 1

Starting with one edge touching the slide, drop a glass COVER SLIP over the onion by lowering it with a pin to AVOID AIR BUBBLES

Answer 2

This question discusses the stages of preparing a microscope slide, specifically for onion cells. Four stages of the processes of microscope slide preparation usually follow this order:1. Using tweezers, peel off a thin membrane from a small piece of onion and place it on a glass slide.2. Carefully add a drop of iodine dye to the slide.3. Starting with one edge touching the slide, drop a glass cover slip over the onion by lowering it with a pin to avoid air bubbles.4. Place the slide on the stage and set the microscope's objective lens initially to low power. Given that the question is pertaining to which occurs third, the correct option is the one where the glass cover slip is placed over the onion.

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