The plasma membrane of a cell is selectively permeable, which means it allows some materials to pass.
Answer: C) or the third option.
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
Answer:
Scientists observing something then they try to explain what has been seen. The explanation is called a hypothesis.
can you mark me brainliest plz?
Explanation:
Cells are the basic unit of structure in all living things. ... Since cells are in all living things, they provide information about all life. Because all cells come from other cells, scientists can study cells to learn about growth, reproduction, and all other functions that living things perform
Cars, Automobiles, transportation, the burning of fossile fuels (gas). Anything that mentions car or car functions lol
