i could be wrong but my assumption for this question would be the answer of A
Explanation:
Immunofluorescence or immunoperoxidase assays are commonly used to detect whether a virus is present in a tissue sample. These tests are based on the principle that if the tissue is infected with a virus, an antibody specific to that virus will be able to bind to it.
Answer:
smaller single celled organisms have a high surface area to volume ratio cause surface area to the volume ratio smaller as the cell grows larger. if a sell grow beyond the limit not enough material will be able to cross the membrane fast enough to accommodate the increased cellular volume
The atomic number of an element determines the number of protons in its nucleus and also its chemical properties.
The element Carbon has an atomic number of 6. Therefore, meaning that is has 6 protons in its nucleus.
