In fluorescence microscopy, which of the following controls the removal of all light except blue light?

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#Question id: 18779

#Unit 13. Methods in Biology

Flow-cytometric analysis for the detection and measurement of subpopulations of leukocytes, including those of leukaemia, is usually performed using monoclonal antibodies. Why is this the case?

Choose whether each of the following statements is true 

a) Indirect immunofluorescence is a more sensitive technique than direct immunofluorescence

b) Most antigens induce a polyclonal response. 

c) For precipitation to occur, both antigen and antibody must be multivalent.

d) ELISA tests using chemiluminescence are more sensitive than chromogenic ones and precipitation tests are more sensitive than agglutination tests

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#Question id: 18225

#Unit 7. System Physiology – Animal

________ refers to the long-term wear and tear on the body caused by the many simultaneous changes that need to occur to maintain homeostasis.

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#Question id: 23036

#Unit 12. Applied Biology

Which of the following enzyme helps in methane oxidation?

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#Question id: 18651

#Unit 13. Methods in Biology

Which of the following factors does not influence electrophoretic mobility?

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#Question id: 15888

#Unit 12. Applied Biology

Most commonly used gelling agent in media for plant tissue culture and is obtained from red algae,