Which of the following statements regarding covalent bond is not true?

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#Question id: 7070

#Unit 5. Developmental Biology

The phenomenon, whereby animals change the relative time of appearance and rate of development of characters present in their ancestors, is called 

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#Question id: 16496

#Unit 12. Applied Biology

Neomycin phosphotransferase  gene is used as a selectable marker. It provides resistence against which antibiotic ?

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#Question id: 24274

#Unit 2. Cellular Organization

Nucleosome DNA wraps around the histone protein 1.65 times, so create a writhe of –1.65 and so DLk should be -1.65. But when the change in linking number associated with each nucleosome was measured, the number was lower than this, approximately –1.2 for each nucleosome added. This discrepancy is referred to as the 

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#Question id: 369

#Unit 1. Molecules and their Interaction Relevant to Biology

Calculate the pH of a 2.0 L solution containing 10 mL of 5 M acetic acid and 10 mL of 1 M sodium acetate. (pKa = 4.76)

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#Question id: 14854

#Unit 13. Methods in Biology

If the sum of the mean and the variance of a Binomial distribution for 5 trials is 1.8 find the distribution.