Depolarization, the process by which muscle fibers are stimulated to contract, begins when:

What type of graph presents information about how often certain or traits occur?

[34 points awarded to the best answer, use facts and/or data] 1.) what's the likelihood of thunderstorms occurring in the state of maryland? {this question is for a project for science, use facts and/or data and explain why . 34 points to the best answer]

Which of these is one of the nitrogenous bases in dna? a. proline b. leucine c. glycine d. thymine