The answer should be all of the above, if it is not then the answer is A dichotomous key can help classify an unknown organism.
Hope this helps, if not, comment below please!!!!
Explanation:
There are several types of antibodies and antigens, and each antibody is capable of binding only to a specific antigen. ... Antigens are bound to antibodies through weak and noncovalent interactions such as electrostatic interactions, hydrogen bonds, Van der Waals forces, and hydrophobic interactions.
Antibodies attach to a specific antigen and make it easier for the immune cells to destroy the antigen. T lymphocytes attack antigens directly and help control the immune response. They also release chemicals, known as cytokines, which control the entire immune response.
The three primary purposes that advertising objectives can be classified by area; To inform; this is in the case of a new product where the company needs to inform the customers and create awareness on the existence of a new product. Secondly; To persuade; once you are in a competitive environment there is need to persuade the customers to buy your product. Lastly, To remind; this is especially important for a mature brand.
Answer:
true
terrestrial planets
true
true
true
false
I am not sure about the last one