Microscopes and Cell Parts

Flashcards about microscopes and cell parts.

How do you focus on low power with a microscope?

Use the coarse focusing knob.

How do you focus on medium power with a microscope?

Use the fine focusing knob.

How do you focus on high power with a microscope?

Use the fine focusing knob.

What is the function of the lenses in a microscope?

Magnify the specimen/image.

What do the focusing knobs on a microscope do?

Move the stage to focus the image.

What is the function of the stage on a microscope?

Holds the specimen.

What is the purpose of stains like iodine when using a microscope?

Increase contrast to make the specimen easier to see.

What is the function of the Nucleus in animal Cells?

Enclosed by the nuclear membrane and contains chromosomes (made from DNA).

What is the function of the Cytoplasm in animal Cells?

Where chemical reactions take place.

What is the function of the Mitochondria in animal Cells?

Site of cellular respiration.

What is the function of the Cell Membrane in animal Cells?

Controls what enters and leaves the cell.

What is the function of the Cellulose Cell Wall in plant Cells?

For shape and support.

What is the function of the Permanent Vacuole in plant Cells?

Contains cell sap (water, sugar, and mineral solution).

What is the function of the Chloroplasts in plant Cells?

Contain chlorophyll for photosynthesis.