2. To focus a microscope using the high power lens you must first in low power center the specimen and make sure it is in focus. Then switch to high power and adjust using the fine adjustment or the smaller knob.
3. It prevents dust from settling on the scope and in the lenses.
Explanation:
Conjunctivitis is the inflammation of the transparent mucous membrane, that covers the white part of the eye.
- Bacterial conjunctivitis can be cure with the help of antibiotics, but viral cannot.
- The discharge from eye is clearer and less thick in viral conjunctivitis as compared to bacterial.
- Viral conjunctivitis is self-limited, while bacterial is not.
- Viral can cause painful swelling in lymph node nearest the ear, which is not there in bacterial conjunctivitis.
Cell sap is the liquid contained within a plant cell vacuole.<span> The chemical composition of this liquid differs significantly from the materials contained outside the vacuole in the surrounding cytosol. This difference aids in the transfer of materials across the vacuole's membrane, called the tonoplast.</span>
