A pure-breeding strain of squash that produced disk-shaped fruits was crossed with a pure breeding strain having long fruits. The F1 had disk fruits, but the F2 showed a new phenotype, sphere, and was composed of the following proportions

Disk  384            

Sphere 96

 Long  32

What is reason for F2 phenotype?

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#Question id: 416

#Unit 1. Molecules and their Interaction Relevant to Biology

The immediate precursors of DNA and RNA synthesis in the cell all contain:

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#Question id: 417

#Unit 1. Molecules and their Interaction Relevant to Biology

Muscle contraction involves the conversion of:

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#Question id: 418

#Unit 1. Molecules and their Interaction Relevant to Biology

Biological oxidation-reduction reactions always involve:

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#Question id: 419

#Unit 1. Molecules and their Interaction Relevant to Biology

Biological oxidation-reduction reactions never involve:

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#Question id: 420

#Unit 1. Molecules and their Interaction Relevant to Biology

The structure of NAD+ does not include:

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#Question id: 421

#Unit 1. Molecules and their Interaction Relevant to Biology

The flow of material through a metabolic pathway is called the ________