A molecule cannot be tasted or smelled until it has been

A molecule cannot be tasted or smelled unit it has been

A molecule cannot be tasted or smelled unit it has been

A molecule cannot be tasted or smelled unit it has been

A molecule which cannot exist theoretcally is :

How are taste and smell related ?

A coin is tossed until a head appears or until it has been tossed three times. Given that 'head' does not occur on the first toss, what is the probability that the coin is tossed thrice?

Once the nerve has been stimulated, it cannot be stimulated again for sometimes, this period is called the