Explain the scanning electron microscope, Biology

Assignment Help:

Explain the Scanning Electron Microscope

It can be used to observe intact cells or cell components directly. Then sections are not necessary. It is used for visualizing surface characteristics rather than intracellular structures. A narrow beam of electrons scan back and forth, producing a three-dimensional image as electrons are reflected off the specimen's surface.

Though a variety of optical instruments are available for routine laboratory work, compound bright field microscope is the one commonly found in all biological laboratories. Let us get to know the different parts of this microscope.


Related Discussions:- Explain the scanning electron microscope

Describe coping strategies, Patient and his family have to cope up with a ...

Patient and his family have to cope up with a critical situation when patient has complications and more so when a patient has to be admitted in a hospital and referred. Some patie

Define determinants of food security - vulnerability, Define Determinants o...

Define Determinants of Food Security - Vulnerability? It is the fourth critical variable and defines the risk factor to which a person, family, community or nation is exposed o

Describe the concept of the gene, Through the year of 1960s, the gene was c...

Through the year of 1960s, the gene was clearly explained as the region of DNA which gives increase to a single polypeptide or to a one RNA for genes whose final product is RNA not

Explain the results of coarctation of aorta, Explain the Results of Coarcta...

Explain the Results of Coarctation of Aorta? Early hospital death in isolated coarctation is around 2 to 10 per cent. In many reports, mortality for older babies approaches 0.

What are sarcomeres, What are sarcomeres? Sarcomeres are the contractil...

What are sarcomeres? Sarcomeres are the contractile units of the muscle tissue formed of alternating actin blocks (thin filaments) and myosin blocks (thick filaments). Various

Explain brifly ribosomes- endoplasmic reticulum , Explain brifly Ribosomes,...

Explain brifly Ribosomes, Endoplasmic Reticulum, Golgi Apparatus ? Ribosomes, Endoplasmic Reticulum, Golgi Apparatus :  The cytoplasm contains many ribosomes, which are sphe

How is the early diagnosis of genetic diseases usually done, How is the ear...

How is the early diagnosis of genetic diseases usually done? Genetic disease might be diagnosed in the prenatal period by karyotype analysis, in case of aneuploidies, or by DNA

Carbon cycle, state 3 ways human activities add carbon to the atmosphere

state 3 ways human activities add carbon to the atmosphere

Explain yellow fever, Yellow Fever  Yellow fever vaccine, a single-dose...

Yellow Fever  Yellow fever vaccine, a single-dose attenuated live virus vaccine prepared in eggs, should be given at least 10 days before travel to endemic areas, which include

Fertilization - pre-embryonic development, Fertilization - Pre-Embryonic De...

Fertilization - Pre-Embryonic Development Ovulation generally takes place between 9th to 14th day after the end of last menstrual period. Fertilization of oocyte initiates dev

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