Explanation:
Bacteria have a thin flexible cell wall. Only plant cells have primary and secondary cell walls.
<span>A substance that is capable of acting as both an acid and a base is called
amphoteric</span>
HIV or Human Immunodeficiency Virus kills or damages the body's Immune system cells. The correct answer is option B. HIV specifically damages or kills the T-Helper Lymphocytes or T-cells, which are very important to the body's immune system. These cells are the cells that respond rapidly to infections.
The correct answer is phenotype