Glycolysis is the first step in cellular respiration, and it occurs in the main compartment of the cell: the cytoplasm. Cells let glucose in from the blood--the glucose comes from the food we eat. Next, cells convert glucose through several different compounds to make two ATP molecules and a molecule called pyruvate.
art 1. n. 1. a. The conscious use of the imagination in the production of objects intended to be contemplated or appreciated as beautiful, as in the arrangement of forms, sounds, or words.
The relevant passage reads: In the present state of the art this is all that can be done. The term, art, itself refers to the useful arts, skills and methods relating to practical subjects such as manufacture and craftsmanship, rather than in the sense of the performing arts and the fine arts.