Which is a point mutation? frameshift insertion deletion missense

Missense mutation is a point mutation.

Explanation:

A point mutation is a mutation when a single nucleotide base is altered, deleted or inserted from a sequence of RNA or DNA. This mutation have different types of effects on the protein product.

A missense mutation is a type of point mutation. When a single base pair change causes the alteration of a different amino acid in the final protein. This amino acid alteration may have no effect, or it may result in the nonfunctional protein.

Thus, Missense mutation is a point mutation.

answer; both surfaces of the membrane are nonpermeable