<span> It's definitely a. Prokaryotes are organisms that don't have membrane bound organelles or a true a nucleus. Scientists theorize that single, cell hallophile organisms started in the primoridial soup. Through the endosymbiotic cell theory, it is believed that plastids engulfed free floating mitochondria and began the grassroots for life</span>
Answer:
Yes
Explanation:
Of the many functions of protein in your body, one of its most critical is supporting your immune system. The immune response protects you against harmful microorganisms, including viruses and bacteria, as well as foreign substances that might attack your defenses, such as a thorn or flames from a fire.
The term that best completes the statement above is THYMUS. It is in the Thymus that T cells achieve self-tolerance. Typically, it is the thymus that produces all the T cells in the body and it is located in the <span>upper anterior part of your </span><span>chest. These T cells develop this so called central tolerance once it is in the thymus since this is where they are produced and mature. </span>