Answer:
a group of atoms bonded together, representing the smallest fundamental unit of a chemical compound that can take part in a chemical reaction.
Explanation:
Modern methods indicate that the mutation rate is roughly one to two mutation per 10,000 genes per generation.
Answer:
Negative feedback.
Explanation:
The production of erythropoietin by the liver and kidneys is a negative feedback because with the production of erythropoietin, our body tends to move to become more stable state. The erythropoietin is produced by the liver and kidneys to increase the production of red blood cells if the quantity of red blood cells are lower than the normal range. If the number of red blood cells are decreases the oxygen level in our body is low that leads to unstable condition of the body but when the concentration of red blood cells increases, the body move towards stability.
Answer:
B.
Explanation:
the sun is solar power which gives you natural energy
Answer: The surgical removal of male reproductive organs is known as Orchidectomy.
Explanation: By the process of Orchidectomy male reproductive organs ( one or both the testes ) removed surgically. Orchidectomy is also known as Castration.
Orchidectomy is very helpful in case of testicular cancer. Because in that case it serve as treatment of cancer.
Orchidectomy is of three types -:
1 : Simple -: In this type of orchidectomy male gonads and spermatic cord is removed by incision. For the treatment genetic infection.
2 : Subcapsular -: In this type of orchidectomy not the entire gland only glandular tissues are removed. It is a Prostrate cancer treatment.
3: Inguinal :- In this type one or both the testes or entire spermatic cord is removed in incision in lower abdomen.