Based on the clue 'cellos in a string quartet', what is the answer?

What is referred to by 'cellar item seller 7'? Based on the clue 'cellini made a magnificent saltcellar out of ename...', what is the answer? Based on the clue 'cellinis sculpture shows perseus holding a sword i...', what is the answer? Based on the clue 'cellist charlotte moorman achieved fame by perform...', what is the answer? Based on the clue 'cellular developmental are major branches of this...', what is the answer? Based on the clue 'cellulose nylon are examples of these large molec...', what is the answer? Based on the clue 'cellulose a carbohydrate that makes up this part o...', what is the answer? What is referred to by 'celsius'?