A new E. coli mutant was tested for auxotrophy. The mutant grows on:

minimal medium (M) + arginine (A) + proline (P)

M + P + histidine (H)

M + A + H + P

but not on M or on M + A + H. The mutant requires

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#Question id: 5746

#XL - T Zoology

A base change resulting in a codon specifying an amino acid which is different than in the wild-type polypeptide

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#Question id: 14991

#XL - S Microbiology

_____I________in the bone, _____II_______in the central nervous system, and _____III_______in the lung and ____IV________in the liver are tissue-specific examples of macrophages with these properties.

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#Question id: 662

#XL - Q Biochemistry

________ received a Nobel Prize in 1964 for determining the structure of vitamin B12. He/she also solved the structure of penicillin in 1947 and developed many techniques used in the study of large proteins.

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#Question id: 10521

#XL - R Botany

Which is an example of a plant-derived DAMP found in tomato that is produced in response to wounding associated with herbivore activity?

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#Question id: 15180

#XL - S Microbiology

A sterilization procedure known as autoclaving can kill bacteria except