BioClass

DNA extracted from peas

Looks like the moon on a dark night? Well yeah, but actually, it’s not. It’s a picture of green peas DNA  that I took during our Cell Biology class (third year first semester). It was viewed under a Compound Light Microscope’s High Power Objective with a magnification of 1,250x. This was extracted by my classmates Poll and Jencel. I and Chai was not able to extract a whole DNA but damaged ones instead.

Human Cheek Cell

My cheek cell actually. Viewed under a Compound Light Microscope. High Power Objective.
Magnification of 1,250x. Stained by Methylene Blue. Nucleus visible as a dark circle at the center.

Stomata of San Francisco Leaf

Midrib. Longitudinal Section. Viewed under a Compound Light Microscope. High Power Objective.
Magnification of 1,250x. Stained by Methylene Blue.

Xylem and Phloem of San Francisco Leaf

Midrib. Cross Section. Viewed under a Compound Light Microscope. High Power Objective.
Magnification of 1,250x. Stained by Methylene Blue.

Onion Skin Cells

Nucleus, cytoplasm and cell walls visible. Viewed under a Compound Light Microscope. High Power Objective.
Magnification of 1,250x. Stained by Methylene Blue.

Extracts from various leaves

The leaves were pounded and extracted into test tubes.

Paper Chromatography

This was an activity we performed for Organic Chemistry. The purpose of this experiment was to separate the pigments in a plant extract.