Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?

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#Question id: 350

#XL - S Microbiology

Cohesion, surface tension, and adhesion are the properties of water molecules that ________.

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#Question id: 4650

#XL - S Microbiology

DDT was once considered a ʺsilver bulletʺ that would permanently eradicate insect pests. Today, instead, DDT is largely useless against many insects. Which of these would have been required for this pest eradication effort to be successful in the long run?

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#Question id: 1727

#XL - Q Biochemistry

Which of the following statements is TRUE of CD4?

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#Question id: 31426

#XL - S Microbiology

What distinguishes the second lag phase from the first in a diauxic growth curve?

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#Question id: 17198

#XL - T Zoology

What is the role of endorphins?