Understanding Negative Feedback Practice Test

A cell senses that the concentration of a protein is too high and represses transcription of the gene encoding the protein

A cells senses too little sugar in the blood and turns on transcription of the glucagon gene

A cell senses too much sugar in the blood and turns on transcription of the insulin gene

A cell senses that there is too little of a protein within a cell and activates transcription of the gene encoding the protein