If you're using an up-to-date light microscope to examine animal cells you won't be able to detect
A. bacterial-sized cell bodies B. the cell nucleus C. ribisomes

Please read this announcement, then give us what you think is the right answer and why, then maybe someone will help you.

You need to find which of the 3 items you listed is about the same size as the wavelength of visible light.

I don't want to give you the full answer as you need to research it yourself.

Look up the size of your 3 options, and the wavelength of visible light and compare them.

Once you have an answer and a reason you think it is correct, feel free to ask me if I have come to the same conclusion as you. Good luck!

The replacement electrons for the reaction center of photosystem II come from where?