What is the full form of PSA as a type of cancer bioelements ?

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#Question id: 10883

#SCPH28 | Zoology

Ecosystem having a three trophic level in which number of species is given in table

 Total 50 number of link among these trophic levels present. What is value of connectance in ecosystem? 

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#Question id: 2972

#SCPH06 I Botany

Match the following attachment (Column I) with definition(Column II).

Column I	Column II
A. Monotelic Attachment	I. When sister kinetochores attach to microtubules emanating from opposite spindle poles, they are stably attached.
B. Syntelic Attachment	II. When one kinetochore attaches to microtubules emanating from two opposite spindle poles.
C. Amphitelic Attachment	III. When both sister kinetochores attach to microtubules emanating from the same spindle pole.
D. Merotelic Attachment	IV. When only one of the two sister kinetochores attaches to microtubules.

Which of the following is correct?

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#Question id: 9566

#SCPH28 | Zoology

Which of the following adaptations helps kangaroo  rats conserve water?

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#Question id: 19222

#SCPH28 | Zoology

Selectable marker, which will eventually be used to detect the presence of the T-DNA inserted into the plant chromosomal DNA, is usually placed next to the

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#Question id: 12750

#SCPH06 I Botany

Bacterial culture was treated with SDS and NAOH then centrifuged, supernatant was decanted and treated with potassium acetate and centrifuged to get a pellet. What is the composition of the pellet?