There are five signs that indicate a chemical reaction has occurred: odor, energy change, gas bubbles, precipitate formation, and color change. When any of these changes occur, the reaction is irreversible and cannot be undone.
what do you need help with? like the question
The plant will wilt because the concentration of water in saltwater is lower than the concentration of water in the plant itself (because it is a freshwater plant). Water will diffuse out of each individual cell and the cell will crenellate (or shrivel up) causing the plant to wilt.
Answer: the genes that produce the enzymes needed to break down lactose are not expressed
Explanation:
The lac operon is a series of genes used in digestion the sugar lactose. The operon is controlled by a promoter that regulates all of the genes
See full answer below.
