When a charged trna is about to bind to the vacant a site of a ribosome, where is the growing polypeptide?

The growing polypeptide is attached to the tRNA that is located in the P site of the ribosome.

Plants, sunlight, growth and artificial sunlight

I’m not exactly sure what your trying to ask, but if it’s how an organelle is similar to a body system or a part a nucleus is like a in function. but i don’t fully understand what you’re trying to ask