The answer is B
C pairs with G, T pairs with A but in RNA T is replaced with U so A pairs with U
If the bacteria has a capsule, it's more likely to be able to spread or cause a disease. The capsule greatens the chance, as its function is to protect the bacteria, as well as to keep it thriving and alive.
They are decomposers that eat the dead or decaying matter in the ecosystem.
Lipids are fatty substances thus they release greatest amount of energy more than carbohydrates
