That would be the chloroplasts. They are small cells in a leaf that store chlorophyll.
B. Regularates cell function
Ecology because it explains plants and animals
Answer: A
Explanation: PCR help to create multiples of copies, it can produce millions of copies of DNA sequence in a test type in limited or few hours. PCR has revolutionize molecular biology, and it has become an essential tools for biologist, physicians or anyone who really want to work on the DNA.
Photosynthesis:
CO2 + H2O + light = carbohydrate (like glucose) + O2
* left side of the reaction are reactants, right side is products..
R,P,P,R
electron transport chain transfers electrons
E,E,K