______________ refers change to the DNA that affects expression of a gene but is not inherited.

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#Question id: 4611

#XL - S Microbiology

Given what we know about evolutionary biology, we expect to find the largest number of endemic species in which of the following geological features, which have existed for at least a few million years?

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#Question id: 12918

#XL - S Microbiology

Name the enzyme which helps in the DNA synthesis in the PCR.

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#Question id: 2229

#XL - Q Biochemistry

The difference between pinocytosis and receptor-mediated endocytosis is that:

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#Question id: 2668

#XL - T Zoology

The toxic shock syndrome toxin is produced by some Salmonella species when there is not sufficient iron present. When iron is present, it prevents transcription of the TSS-toxin gene. Iron therefore serves as __________.

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#Question id: 20109

#XL - P Chemistry

The occurrence of a reaction is impossible if