Multiple choice

Which of the following statements is correct refarding the fact that “water is essential for life”?

  1. The high dielectric constant of water helps in maintaining the fluidity of membranes.

  2. The electrical conductivity of water enhances the nerve signal transduction in the cells.

  3. The hydrogen bonding of water molecules helps in coiling of chromatin fibre on nucleosomes.

  4. The buffering capacity of water helps in maintaining the homeostasis.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Water is majorly used as a buffer for all types of reactions in the cell that accepts an electron through hydroxyl ion and donates an electron through hydronium ion. Rest of the statements are incorrect owing to the mismatch in functions and properties.

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