During which phases of the cell cycle do the chromosomes exist in a doubled state?

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#Question id: 4918

#SCPH12 I Genetics

The two organelles responsible for cytoplasmic inheritance among eukaryotes are

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#Question id: 15478

#SCPH01 Biochemistry

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: 4954

#SCPH06 I Botany

If natural selection in a particular environment favored genetic systems that permitted the production of daughter ʺcellsʺ that were genetically dissimilar from the mother ʺcells,ʺ then one should expect selection for

I. polynucleotide polymerase with low mismatch error rates.

II. polynucleotide polymerases without proofreading capability.

III. batteries of efficient polynucleotide repair enzymes.

IV. polynucleotide polymerases with proofreading capability.

V. polynucleotide polymerases with high mismatch error rates.

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#Question id: 3640

#SCPH28 | Zoology

Which of the following is true for the mechanism of excision repair?

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#Question id: 19705

#SCPH06 I Botany

Which of the following normally has a slowly depolarizing “prepotential”?