Cells are most sensitive to penicillin during which phase of the growth curve?

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#Question id: 15882

#Section 6: Plant, Animal and Microbial Biotechnology

Selection of culture media depends on___

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#Question id: 292

#Section 2: General Biology

Which of the following types of non-covalent bonds or interactions is responsible for forming the α helix and β sheet secondary structural motifs of a protein:

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#Question id: 15177

#Section 6: Plant, Animal and Microbial Biotechnology

Several mechanisms in alkalophiles for the maintenance of a neutral cytoplasmic pH have been proposed. The plasma membrane may be

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#Question id: 15737

#Section 6: Plant, Animal and Microbial Biotechnology

The basic event of development in higher organisms is

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#Question id: 20044

#Section 4: Fundamentals of Biological Engineering

In a batch sterilization process if ∇overall , ∇heating & ∇cooling are 32.2, 9.8 & 10.1 respectively, THEN the holding time at 121ºC of the process is (given that the specific death rate (k) of microorganisms at 121ºC is 2.54 min^-1 ):