Which activity is most characteristic of careers in biotechnology? a) performing research b) working directly with patients c) delivering medical supplies d) supervising nurses

A) performing research

Explanation:

Biotechnology is the field of biology which deals with application of cells, tissues, living organisms for the preparation of human useable products. A biotechnological career is mainly based on performing research so as to produce drugs, antibiotics, eatables, beverages and medicines by exploiting natural raw materials. This research can help in improving the national economy, also provides the scientific and medical aid in cases of treatment of deadly diseases.

it's anything that aren't producers and consumers.

explanation:

you've got to be clear on what "this" is

this protocol describes a detailed procedure for intracellular flow cytometry staining.