Which of these is an example of feedback?

a. asking your supervisor to repeat a set of instructions b. asking your supervisor if you are doing something the right way c. saying "good morning" to your supervisor d. joining your coworkers at a table in the lunch room

Group of genes that encode molecules found in all body cells, creating a biochemical “fingerprint” that serves as the “id” for cells so that they are marked as “self” a) deoxyribonucleic acid (dna) b) entry inhibitors c) major histocompatibility complex (mhc) d) non-nucleoside reverse transcription inhibitors (nnrtis)

People who practice which of the following diets may run the risk of not getting enough iron. a. gluten free or vegan diet b. diet for managing diabetes c. vegan diet d. gluten free diet

During polarization, potassium has a blank charge, sodium has a blank ch arge ,and calcium has a b l ank. charge