Do you still need this answered
The answer is A or the first one
The answer is C. Amniotic membrane. It is the <span>Amniotic membrane that surrounds and protects the embryo. It is the innermost layer of the placenta. it consist thick basement of membrane that protects the embryo from any possible harm.
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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.
