Principles of light microscopy: With a compound light microscope, we can examine very small specimens as well as some of their fine detail. A series of finely round lenses form a clearly focused image that is many times larger than the specimen itself. The magnification is achieved when light ...
The compound microscope is one of the most important instruments found in laboratories engaged in the examination of cells and microorganisms. We will examine mouse blood stained with Giemsa stain to identify red blood cells (erythrocytes), white blood cells (leukocytes) and platelets (thrombocytes...
Apolarizing microscopeis another type of compound microscope. Polarizing microscopes use both an analyzer and polarizer to cross-polarize the light and pick up differences in the colors in the optical path of the specimen being examined. Polarizing compound microscopes are used to examine chemicals in...
A student of general biology observes a microbiology student using immersion oil and asks why the oil is used. 'To increase the magnification of the microscope' is the reply. Do you agree or disagree? Why? Explain what is wrong in the statement and correct it: Adding oil increases the magn...
Learn How to Use a Microscope There are a few tips to follow for safely using a microscope. When usingmicroscope slides, be sure to place acover slipover your sample. This will flatten your sample, which is necessary when using acompound microscope. The cover slip will also contain fluid wi...
On a compound light microscope, what part concentrates light on the object? What part of the microscope will allow the maximum amount of light to pass through the slide? What parts of the cell, both plant and animal is visible by using the light micr...
Significance was determined using a two-tailed Student’s t-test with α = 0.05. Calcium imaging of dissociated cells For neurons, C57BL/6J (N = 3 mice) nodose neurons were dissociated and plated as previously described14. Briefly, nodose ganglia were dissected and immediately placed ...
Compound microscopes in particular work using an arrangement of lenses for refracting light to zoom in on cells and other specimens to take you into a micro-sized world. A microscope is called a compound microscope when it consists of more than one set of lenses. ...
values were used and were calculated using Prism version 9 software (GraphPad Software) using distinct biological samples, and two-tailed Student’ t test was used for comparison of groups. A p value of <0.05 was deemed significant. During establishment and optimization of the conjugation procedure...
The student found that to obtain a sharp image he has to move the lens away from the screen. From this finding we may conclude that both the lenses given to the student were: [Delhi 2014] (a) Concave and f1 < f2 (b) Convex and f1 < f2 (c) Convex and f1 > f2 (d) Concave ...