⭐️The answer is⭐️
Three of the four nitrogenous bases that make up RNA — adenine (A), cytosine (C), and guanine (G) — are also found in DNA. In RNA, however, a base called uracil (U) replaces thymine (T) as the complementary nucleotide to adenine (Figure 3).
Spirilla bacteria are Gram-negative bacteria that may cause bacterial diarrhea, adenocarcinoma and peptic ulcers.
The superscript of element Cl⁻ indicates it is a negative ion.
passive: doesn't require energy, from high to low concentration
active:requires energy, from low to high concentration
i dont know maybe