Question

4. The plant cell wall is made up of a substance called
a) Lignin
b) Starch
c) Cellulose
d) Protein
5. The animal cell does not have
a) Chloroplast
b) Nucleus
c) Cell membrane
d) Cytoplasm
6. Mitochondria is responsible for
a) Giving food to the cells
b) Providing energy
c) Protecting the cells
d) Cell division
7. Protein is synthesized by
a) Ribosomes
b) Lysosomes
c) Mitochondria
d) Cell wall
8. All cells are enclosed in a thin
a) Cell membrane
b) Endoplasmic reticulum
c) Ribosomes
d) Nucleus
9. Organelles are
a) Small organisms found outside the cell
b) Organs found in the body
c) Small structures found scattered in the
cytoplasm
d) Covering of the cell
.​

Answer 1

Answer:

The cell wall is composed of a network of cellulose microfibrils and cross-linking glycans embedded in a highly cross-linked matrix of pectin polysaccharides. In secondary cell walls, lignin may be deposited.

Explanation:

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Answer 2

Answer:

cellulose

Explanation:

Plant cell wall is made up of cellulose.