The dead cells that act as "straws" inside the plant to pull water and nutrients from the soil is

The dead cells that act as "straws" inside the plant to pull water and nutrients from the soil is known as xylem.

Xylem is the vascular tissue in plants that conducts water and dissolved nutrients upward from the root and also helps to form the woody element in the stem.                                                    

image result for describe the various types of gene mutationsghr.nlm.nih.gov

the types of mutations include: missense mutation: this type of mutation is a change in one dna base pair that results in the substitution of one amino acid for another in the protein made by a gene. nonsense mutation: a nonsense mutation is also a change in one dna base pair.

explanation: