Auxin is the molecule which is related to the phototropism of the plants. In the mutant plants, which do not have hormone auxin, do not respond to light. It activates proton pump, and leads to the decrease in the pH of the leaf. This acidification breaks cell wall structure and cell wall become less rigid, and thus, can bend towards the light, by exerting mechanical pressure.
Their health , medical conditions, diseases
Answer:
Deoxyribonucleic acid (DNA)
Explanation:
the biological instructions that make each species unique. DNA, along with the instructions it contains, is passed from adult organisms to their offspring during reproduction
There is 23 chromosomes in one gamete
O2 (oxygen) is a covalent compound
