Escherichia coli preferentially utilizes glucose by preventing the uptake of lactose and switching off transcription of the lac operon. This mechanism is known as 

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#Question id: 11925

#XL - R Botany

The chloroplasts of land plants are thought to have been derived according to which evolutionary sequence?

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#Question id: 19833

#XL - P Chemistry

Correct structure of SF₄ is

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#Question id: 27350

#XL - T Zoology

CRISPR can edit DNA. What organisms naturally has CRISPR?

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#Question id: 4182

#XL - T Zoology

If the anticodon on tRNA is GTC (tyrosine)(5ʹ → 3ʹ), the sequence of the 5ʹ → 3ʹ template strand of the gene in DNA that specifies this amino acid is

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#Question id: 5522

#XL - T Zoology

In reptiles, birds, and mammals, mesoderm is made by invagination and involution into the