The organelle that is responsible for directing all cellular activities is the:
a. mitochondria
c. nucleus
b. endoplasmic reticulum
d. golgi apparatus

answer:

sequence 1- deletion

                  2- duplication

                  3- insertion

                  4- substitute

                  5- inversion

answer: i cant find your answer. do u have another way i can answer it for you : )

explanation:

i might be wrong but i think its a. let me know if i’m right and have a good rest of your day!

c: warm water flows from the western tropical pacific toward south america. that should be the right answer! hope it .