Scientists claim that Bisphenol A when ingested may cause brain problems, behaviour and reproductive development problems in foetus, children and even infants.
Option D.
Explanation:
Bisphenol A was a very common compound to produce polycarbonate bottles. This bottles were very commonly used to produce baby bottles, different beverage containers, different water bottles etc. Until 2010, BPA was allowed as a safe to consume ingredient by WHO but after 2010,they strictly restricted the levels of BPA in food because it has severe ill effects in human body.
Even low amounts of BPA in food can cause hypertension, coronary heart disease, atherosclerosis etc. Although not proven, but BPA is thought to cause cancer. Effects on children and infants are more prominent which can cause problems in development of reproductive structures and brain. Even in adults, the brain problems may lead to change in their behaviors.
Answer:
an assisted reproductive Technology.
Explanation:
This is the infertility corrective procedures, which involve the removal of the sex-cells of both male and female, the fusion,(fertilization) of these, outside the body (in-vitro fertilization), or isolation of a single sperm and fussing it with an ovum(intracytoplasmic sperm injection) to form the zygote, and the implantation of the zygote back into the uterus, for the normal development to embryo and fetus.
This procedure may also involve the use of the Donor's egg or sperm, or frozen sex cells . Sometimes If the woman egg cells are not receptive, the zygote can be formed from her husband sperm, and carried by another contracted woman called surrogate mother.However, if the zygote is formed from a donor's egg the contracted woman is called a gestational mother.
Generally factors such as age, legal procedures of each country, physiology of the couples, emotional status, religion, complications in the child physiology, are some of the factors that may affect the efficiency of this procedure. Non the less this medical procedures has saved many marriages and made many couple happy.
Hey there!
Here are some possible functions of these proteins:
- They transport molecules.
- They transport messages from cell to cell.
- They catalyse reactions in our bodies.
Hope this helps you!
Its characteristic is the high temperature and the division of two seasons: rainy in summer and dry in winter. In regions affected by this type of climate, it is not possible to notice the change of seasons.
