The correct answer is 3 billion years old as per the banded iron sample obtained from Canada
Autotrophs are organisms such as plants. So autotrophs are able to produce their own food, through photosynthesis
A certain structure in a cell that serves a certain purpose or function.
If its between nonsense and missense its a nonsense one I believe. nonsense causes or changes a stop code which throws off the entire rest of the chain. Missense only changes a single letter.
Not entirely sure about this... if its multiple choice maybe? Idk.
Answer:
Ok, I am going to try my best to label all of this. It is quite a vague drawing, isn't it? lol, lets see:
A - Lysosome
B - Endoplasmic Reticulum
C - Golgi Bodies?
D - Cell Membrane
E - Nucleus
F - Ribosomes
G - Cytoplasm
H - Mitochondria
Thank you very much! If you need any more help or such, make sure to comment, and I'll try to help some more. Thank you!