Brutus because of his soliloquies for the audience to gain an insight inot his complex motives and having to be a kind hearted, integrity of a character he had a tragic flaw (key element into knowing a tragic hero) was his lust for power I believe.
B as she is personalising it using her uncle, who is personal to her
Protists are mostly unicellular (one-celled) eukaryotes. A few protists are multicellular (many-celled) and surprisingly large. For example, kelp is a multicellular protist that can grow to be over 100-meters long
