Why do scientist try to repeat other scientists experiments

What can be found in every skeletal muscle? a. nerves, bones, cartilage, and connective tissue b. tendons, cartilage, nerves, and blood vessels c. muscle fibers, nerves, connective tissue, and blood vessels d. tendons, nerves, blood vessels, and bones

What amino acid is coded for by this sequence after the mutation

Babies with very low or very high birth weight are less likely to survive. observe a graph of the data.