The correct option is A. DNA contains genetic codes that code for proteins, which are essential and necessary for the growth and functioning of an organism.
We should remember that we should consume all necessary nutrients at a correct amount and proportion. this includes the primary food substance carbohydrates, fat and protein. and protective food substance in a small amount, which includes mineral ions ( iron, calcium etc) and vitamins. Also we have to take in enough water (6-8 cups a day) and fibre to prevent deficient diseases and to maintain health.
in addition, note that the amount of food intake varies with age, sex, body status, daily activity etc. For example, teenagers and pregnant women should increase all necessary nutrients intake to ensure proper growth and development of ourselves or the baby.
Answer:
here you go hope this helps
Explanation:
It helps us know the genetics of genes.
<span>a. genetics and biology playing a dominant role.
Scientists and mental health professionals have argued that sexual orientation, which gives rise to homosexuality, is not a choice but a result of biology, inborn hormonal factors and genetics</span>
