Why is it bad to use antacids everyday in terms of digestion

What is the most appropriate method of gaining weight (muscle mass)

Pentane with molecular formula c5h12, exists in three isomeric forms. one shows linear carbon chains, another has one -ch3 groups present on the third carbon atom, and the third has two -ch3 groups present on the second carbon atom. what types of isomers are these? a. geometric isomers b. structural isomers c. halotropic isomers

Are gametes exactly the same? explain why or why not?