Of the following muscle types, which has the longest muscle cells and has obvious stripes called striations? of the following muscle types, which has the longest muscle cells and has obvious stripes called striations?
a. cardiac muscle
b. multiunit smooth muscle
c. visceral smooth muscle
d. skeletal muscle

On Ed I remember it being B

Explanation:

Because I got it right on Ed

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.