how does the cell maintain a high enough concentration of this amino acid? (hint: is there a cycle product that can be recycled?)

Which statement describes evidence of a chemical reaction? a) ice melting eliminate b) water boiling c) lighting a match d) grape juice freezing

Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid

Which statement is best described as a atom