Answer:
The correct answer will be option- D.
Explanation:
The prostate gland is a walnut-shaped gland present between the bladder and penis.
The prostate gland is a part of the reproductive system and not the urinary system as it helps in the nourishment and protection of the sperm cells. It secretes a fluid which contains enzymes like phosphatases, lytic enzymes and antibiotics which helps in the protection and passage of sperm to the egg cell.
Thus, option- D is the correct answer.
Explanation:
Molecules of reactants and products undergoes chemical changes when they combine.
The combination leads to the breaking of bonds and rearrangement and this brings about the formation of new products.
- Atoms in molecules tends towards stability
- They often want to mimic the noble gases and would keep rearranging until stability is attained.
- This leads to the formation of new compounds in the product end of the reaction.
B.
All dentist equipment is used in the mouth. Many deseases, bacteria and viruses are transmitted trough saliva, and not all of these are weak. So, that is why we clean the dental operatory, to lower the chances of transmitting anything.
Hope it helped,
BioTeacher101
True
Evolution occurs when an organism is born with a mutation and passes that mutation on to its offspring.