2-sensitive to pH and temperature of their environment
4-large proteins with a special surface pattern
<span>C. The endangered species was an animal and not a plant </span>
Helper T cells are found in the <u>Thymus.</u>
Explanation:
Immature T-cells are formed in the bone marrow, just like any other blood cells, through the process of hematopoiesis. These immature T cells are then transported to the thymus where they mature and differentiate into the different types of T cells; cytotoxic, helper and regulatory. T-helper cells, also called CD4⁺ cells, are important in activating B-cells and T-cytotoxic cells in case of infection.
The awnser for this problem is b. Hope this helps :) i took the quiz btw
Answer:C
Explanation:Vegetables do not contain much greenhouse gases because a vegetarians diet does not contain red meats which contain high greenhouse gases.
