Which of the Following Best Describes a "Buffer Gate" in Synthetic

Multiple Choice

Which of the following best describes a "buffer gate" in synthetic biology?

A) A single repressor molecule (R₁) prevents the production of an output molecule (Pr₁) .
B) Alternate input molecules (I₁ or I₂) drive the production of alternative proteins (Pr_n) .
C) A single input inducer molecule (I₁) leads to the production of a single product (Pr₁) .
D) All of the above.
E) None of the above.