why should we drink 6 to 8 glasses of water everyday even water does not provide any energy? pls answer in short ​

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype

Each member of a class sampled a piece of ptc testing paper. thirty people sampled the chemical. twenty persons were tasters. how many had heterozygous genes? 10 20 0-20 indeterminate

Which of these is an example of structural protein in plants