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Virtual Lab – Operation of Bright Field Microscope What is the difference between resolution and contrast?

Virtual Lab – Operation of Bright Field Microscope What is the relationship between objective, magnification power and the field of view?

Virtual Lab – Diffusion Across a Selective Permeable Membrane Diffusion is a passive process that moves substances from an area of [word1] concentration to an area of [word2] concentration.

Dialysis tubing is a selectively permeable membrane made with the macromolecule, cellulose. Starch, glucose, water and the IKI reagent arecontained within the dialysis membrane in solution B shown below. Solution A in the beaker, at the start of the experiment in panel (a) contains just water. Diffusion of these molecules occurs, over time, from panels (a)-(c). The only selective criterion for diffusion across a dialysis membrane is the size of the molecule. Which of these molecules will diffuse the fastest? 

Virtual Lab – Microscopy – Wet Mount (Euglena) What organelle assists the Euglena in osmoregulation?

Virtual Lab – Osmosis – Tonicity in Red Blood Cells (Animal Cells) Which osmotic conditions will result in cloudy blood solutions? Why?

Virtual Lab – Microscopy – Wet Mount (Euglena) Here are the four steps to creating a wet mount, listed in proper order: Place a Small Drop of Liquid Apply the Cover Slip Adjust and Examine Position the Specimen

Virtual Lab – Operation of Bright Field Microscope How do you bring a specimen into focus quickly?

Virtual Lab – Microscopy – Wet Mount (Euglena) In a wet mount preparation: The glass piece that forms the base is called the cover slip. The glass that covers the top of the specimen is called the slide.

Virtual Lab – Osmosis – Tonicity in Red Blood Cells (Animal Cells) One major structural difference between animal cells and plant cells is that plant cells have a rigid cell wall made of cellulose.