Answer:
B. Antibodies react specifically with an antigen.
Explanation:
Serological tests are blood tests that look for antibodies in your blood. They can involve a number of laboratory techniques. Flucculation tests are based on the precipitation that takes place when antibody and specially prepared antigens are mixed together
Sorry I can’t see the image well but it would be number 2 and another one with a number in the middle of a tectonic plate
The interior of the small intestine are tightly wrinkled into projections called circular folds that greatly increase their surface area
What is a global food web? Food Webs: All ecosystems on Earth include a complex interchange of nutrients between producers, consumers, and decomposers.
