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Define Proteins in the immune system?
Proteins such as γ-globulin serve to protect the body against foreign cells. The immunoglobulin produced by lymphocytes is the large polypeptides having more than one basic monomeric unit. These proteins differ in their amino acid structure, which in turn, affect their secondary, tertiary and quaternary structures. Just as the amino acid sequence of an enzyme determines substrate specificity, the amino acid sequence of the immunoprotein assures antigen-antibody specifically. The initiation of synthesis of particular immunoglobulins by the lyinphocytes requires the binding of LW antigen (a foreign protein) to the cell surface at particular locations called 'antigen receptors'. The immunoglobulin synthesized binds with the foreign protein immobilizing it.
Define Precautions for Testing Quality of Water? 1. Handle the sewage water with care as it may contain enteric pathogens. 2. Sewage and pond water should be shaked before i
Limb Regeneration in Anuran Amphibians We are already aware that the limb of adult frogs does not regenerate later than amputation. Though, some regeneration has been found to
Which type of cell came first in evolution the eukaryotic cell or the prokaryotic cell? Ans) This is an interesting problem of biological evolution. The most accepted hypothesis
Pre-procedural mouth rinse Patients' use of a an anti-microbial mouthwash of 0.12% chlorhexidine gluconate solution for 30 seconds prior to intra-oral procedures will reduce th
keel is the characteristic feature of flower of 1.tomato 2. tulip 3.ubdugifera 4.aloe
Conjugation - Patterns of Sexual Reproduction Conjugation is a temporary union among two individuals of the same species, during which the original macronucleus disintegrates,
Q. How does poliomyelitis affect the neural transmission in the spinal cord? The poliovirus destroys and parasites spinal motor neurons causing paralysis of the muscles that de
feeding habit of branchiostoma?
Q. What are the hydrophobic molecules (or hydrophobic molecular regions)? What are the hydrophilic molecules? How can they be characterized in relation to their polarity? Hydro
please give us this phylem''s example...
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