Sucrose is replace by another sugar in tobacco callus medium without effecting callus growth. This sugar is an osmotic agent and is not taken into the plant cells or metabolized because of its molecular size.

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#Question id: 27252

#Section 3: Genetics, Cellular and Molecular Biology

Messelsen and Stahl model of replication was called

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#Question id: 10765

#Section 3: Genetics, Cellular and Molecular Biology

Degree of freedom is (where n is phenotype)

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#Question id: 2107

#Section 2: General Biology

All the following statements describe biomembranes except:

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#Question id: 14879

#Section 1: Engineering Mathematics

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#Question id: 3762

#Section 3: Genetics, Cellular and Molecular Biology

Why does a new DNA strand elongate only in the 5' to 3' direction during DNA replication?