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: 68

#SCPH06 I Botany

Match the following functional groups given in column I with their respective representatives given in column II.

COLUMN I               COLUMN II

1. Anhydride               a. RCOOR

2. Ether                       b. ROCOCH3

3. Acetyl                     c. ROR

4. Amido                     d. RCOOCOR

5. Ester                        e. RCONH2

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#Question id: 8942

#SCPH06 I Botany

Which group contains diploblastic organisms?

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#Question id: 9170

#SCPH28 | Zoology

Which of the following is an important feature of most terrestrial biomes?

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#Question id: 2937

#SCPH01 Biochemistry

Separase initiates sister chromatid segregation at anaphase by cleaving:

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#Question id: 5764

#SCPH28 | Zoology

A wild-type chromosome can be represented as ABC * DEFGH, and from this a chromosomal aberration arises that can be represented AFED * CBGH. This is known as (* = centromere)