Define dark field microscope, Biology

Assignment Help:

Define Dark Field Microscope

In this microscope, condenser system is modified, so that only reflected and refracted light by specimen forms an image. Here, the object is brightly illuminated while the field surrounding the object appears black. This microscope can be used to observe live unstained cells and organisms.


Related Discussions:- Define dark field microscope

Influence of associated ions, Influence of Associated Ions The second i...

Influence of Associated Ions The second important factor influencing the plant uptake of a given cation is the effects of the ions held in association with it. For instance, as

Heart in reptiles, Reptiles  Heart is incomplete 4 chambered, ventri...

Reptiles  Heart is incomplete 4 chambered, ventricles are not divided completely 2 auricels & 2 ventricles. Sinus venosus present, Truncus artiorsus absent [In lizzard fo

Explain demography and demographic transition, Explain Demography, Demograp...

Explain Demography, Demographic Transition and Demographic Cycle We know that population of different countries in the world is always changing. For some countries like India a

What is a pipette and how is it used, What is a pipette and how is it used?...

What is a pipette and how is it used? There are lots of types of pipettes (or pipette), but most are basically a fancier version of a medicine dropper or eye dropper. They are

What is population density, Q. What is population density? The Populati...

Q. What is population density? The Population density is the relation between the number of individuals of a population and the area or volume they occupy. For instance, in 200

Phylum annelida to arthropods, Q. What is the morphological characteristic ...

Q. What is the morphological characteristic that evolutionarily approximates the beings of the phylum Annelida to arthropods? The metameric feature that is the body segmentatio

Composition of blood, Composition of blood: Take few ml. of fresh bl...

Composition of blood: Take few ml. of fresh blood in a test tube and before collecting the blood add a few drops of sodium oxalate or sodium citrate solution to prevent clot

Explain the anatomic variability of long buccal nerve, Anatomic variability...

Anatomic variability of long buccal nerve demands caution during surgery. Discuss Long buccal nerve, a branch of the mandibular division of trigeminal nerve emerges deep to the

Determine the food sources of vitamin a, Determine the Food Sources of Vita...

Determine the Food Sources of Vitamin A? Vitamin A or retinol performed vitamin A), as you may already know, is found only in foods of animal origin, such as milk, cheese, crea

Show the difference between sperm and spermatids cells, Q. What is the diff...

Q. What is the difference between sperm and spermatids cells? What is the name of the transformation of spermatids into sperm cells? Sperm cells (the male gametes) are matured

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd