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 (https://www.askmehelpdesk.com/math-sciences/announcement-u-b-read-first-expectations-homework-help-board-b-u.html), 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?