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Proteins are sensitive to environmental changes. In this video we demonstrate how easy it is to modify their molecular configuration.
Don’t smoke! This video demonstrates what happens in the lungs when a person smokes.
If bile contains no digestive enzymes, why does it play such an important role in digestion? How does it work?
Examination of long, rectangular onion epidermal cells under the microscope at 100x magnification.
Purifying a solution coloured with fuchsine dye with finely ground activated carbon granules and a filter.
Sound localisation is an important element in orientation. A sound reaches the ear closest to it first.
Through mild physical exercise, even a trained body doubles the number of breaths it takes within a set amount of time.
Demonstrating a method to determine where exactly the blind spot is in our visual field.
When the patellar tendon is lightly tapped, the extensor muscle stretches slightly.
In strong light the pupil contracts, while in low light it dilates.
A combination of fungal hyphae and algal cells viewed under a light microscope at a hundred times magnification.
For good spatial vision, we need information from both eyes at the same time.
Calcium oxalate and calcium sulphate crystals, found in the spathe of an onion, are examined at a magnification of 100x.
Let’s see what a plant cell nucleus looks like under the microscope.
We will use the epidermis of an onion to examine the process of plasmolysis.
The surface of an eelgrass leaf observed under an optical microscope at medium magnification.
Producing calcium carbonate using the carbon dioxide content of the air blown into a calcium hydroxide solution.
Examine starch inclusions covered by Lugol’s solution with an optical microscope.
Thalloid plants do not have real organs. Let’s take a closer look at their structure.
Let’s observe how milk fat is broken down using pancreatic lipase in the presence of phenolphthalein indicator.
Examination of filamentous plant and fungus species with an optical microscope.
Let’s observe the effect of the amylase enzyme on a starch solution in the presence of Lugol’s solution.
In this video, you can see how the water, coloured with eosin solution, moves upwards in a carnation.
Examination of the cells and stomas on the epidermis of a pelargonium at 100x magnification.