Given the following monoploid operons, which would not synthesize lactose permease under any circumstance?

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#Question id: 23047

#Unit 12. Applied Biology

Which of the following process involves super aeration of groundwater?

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#Question id: 12221

#Unit 7. System Physiology – Animal

Juvenile (type I) diabetes mellitus is often diagnosed because of polyuria (high urine flow) and polydipsia (frequent drinking) that occur because of which of the following?

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#Question id: 3045

#Unit 2. Cellular Organization

Which one of the following combinations Mac-Conkey Agar allows to growth of gram negative bacteria?

(P) Bile salts                          (Q) Sodium chloride

(R) Methylene blue                  (S) Crystal violet

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#Question id: 5395

#General Aptitude

The arithmetic mean of a set of 50 numbers is 38 . If two numbers, namely ,45 and 55, are discarded , the mean of the remaining set of numbers is:

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#Question id: 4712

#Unit 11. Evolution and Behavior

Which of these conditions are always true of populations evolving due to natural selection? Condition 1: The population must vary in traits that are heritable.

Condition 2: Some heritable traits must increase reproductive success.

Condition 3: Individuals pass on most traits that they acquire during their lifetime.