Natural aging.
Natural aging is process in which organism's body organs and functions deteriorate and finally fail to work at all
Answer:
2
Explanation:
There are two kinds of photosystems: photosystem I (PSI) and photosystem II (PSII) (Fig. 3.3).
4 haploid sperm cells are made from 1 diploid cell
The process that uses the function of chloroplasts to initiate a reaction between carbon dioxide and water is Photosynthesis, which creates energy for the plant via the production of sugars and expels oxygen as a byproduct.
The first blank is - nucleotide
the second and third blank is - double helix
the fourth blank is - brain
the fifth blank is - RNA
i hope this helps
