Some cells secrete chemicals into the extracellular fluid that act on cells in the same tissue. Which of the following refers to this type of regulation?

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#Question id: 4127

#Part-A Aptitude & General Biotechnology

Which one of the following statements about ribosomes is true?

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#Question id: 14331

#Part-B Specialized Branches in Biotechnology

To ensure turbulent conditions and minimum mixing time during agitation with a turbine impeller, the Reynolds number must be at least 10⁴. A stirred laboratory-scale fermenter with a turbine impeller 5 cm in diameter is operated at 800 rpm. If the density of broth being stirred is close to that of water, what is the upper limit for viscosity of the suspension if adequate mixing is to be maintained?

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#Question id: 12916

#Part-A Aptitude & General Biotechnology

Which statement is correct for Zoo blotting?

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#Question id: 12820

#Part-A Aptitude & General Biotechnology

The length of a room floor exceeds its breadth by 20 m. The area of the floor remains unaltered when the length is decreased by 10 m but the breadth is increased by 5 m. The area of the floor (in square metres) is :

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#Question id: 21183

#Part-A Aptitude & General Biotechnology

This PCR have mixtures of similar oligonucleotides that are used in a PCR to amplify unknown sequences of DNA, related to a known DNA sequence is