Measurement of phytoplankton production, take sample of phytoplankton suspended in two bottles in lake. One bottle (D) is dark in colour but second bottle (L) light in colour. After some time productivity measure as follow Where Lo –oxygen concentration in light bottle, Do –oxygen concentration in Dark bottle, Io –oxygen concentration in bottle before incubation    

A)  Lo- Do                     B) Lo- Io  C) Io- Do

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#Question id: 1772

#XL - Q Biochemistry

J chain is present in?

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#Question id: 1773

#XL - Q Biochemistry

How many disulfide bonds are in an antibody?

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#Question id: 1774

#XL - Q Biochemistry

hinge region  provide flexibility to antibody. Which amino acid is responsible for these flexibility?

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#Question id: 1775

#XL - Q Biochemistry

How many CDR region in IgM ?

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#Question id: 1776

#XL - Q Biochemistry

Which is not a function of IgA?

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#Question id: 1777

#XL - Q Biochemistry

Which of the following mediates type 1 hypersensitivity reaction?