Question

Label A
DONE
Label B
DONE
Label C
DONE
Label D
DONE

Answer 1

A: nucleus

(cant see the rest of the image so, the green circle at the top right of the image is a peroxisome, the line closest to A is either a nuclear envelope or nuclear pore, im not sure about the last one but my best guess is, centriole

Explanation: meh, i like bio