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Explain the Body Tube of Microscope?
Above the stage and attached to the arm is the body tube, to which eye piece(s) or ocular lens and revolving nosepiece is attached. Microscopes having eyepieces for both eyes are called binocular microscopes.
Nosepiece contains three to five objective lenses of different magnifying power, which can be rotated at will. Microscope should be parfocal, i.e., the image should remain in focus when objectives are changed. The objectives are nearer the specimen and it produces the real magnified image of the specimen at focal plane. This image is further magnified by ocular lens to produce the final image.
Which of the following is true for the following spanning membrane proteins? A. The mAChR (muscarinic Acetylcholine Receptor) is a spanning membrane protein located in the memb
Define GHRH Receptors (Growth Hormone Releasing Hormone Receptors)? A. GHRH Receptors are only located in the plasma membranes of cells in the hypothalamus. B. GHRH Receptor
What are the scopes of Zoology?..
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Define role of Zinc in controlling Gene Expression? Zinc atoms have specific structural roles in enzyme molecules, as well as, in many other proteins and in bio membranes. Thes
1. The Combination Of Rapid Industrial Growth, Lack Of Regulations, Inadequate Supervision Of Safety Measures By The Authorities And Lack Of Sufficient Opportunities For The L
The vagus gives of one superior cervical cardiac branch and an inferior cervical cardiac branch in the neck. These branches descend into the thorax and take part in performing the
Fatty acids have four main biological roles: 1. They are used to create sphingolipids and glycerophospholipids which are necessary elements of biological membranes; 2. Nume
Which of the following serves as a controlled variable in a negative feedback system? A. Levels of hydrogen ions in the interstitial spaces of the brainstem. B. Blood plasma
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