Which of these is an example of cyberbullying?

a. texting someone about video games
b. humiliating someone on social media
c. expressing a negative opinion on social media
d. arguing the pros and cons of veganism on social networking

Ascientist introduced mutations in a gene sequence isolated from bacteria. study the sequence, and identify the steps where the mutations may affect the formation of proteins. in the sequence, black letters stand for protein coding regions and red letters stand for noncoding regions.