As you stated before, cellulose is found throughout the cell walls of plant cells. Cellulose makes cell walls rigid, so that would indicate that cellulose is a carbohydrate.
Let’s get one thing straight electrons mean negative so I’m going to say very negative cause it spends more time around hydrogen atoms
The correct answer is C. Oxygen
Hope this helps
-AaronWiseIsBae
The correct answer is A. "A sperm cell and an egg cell combine to form an embryo."