Answer:
Within the bone marrow, all blood cells originate from a single type of unspecialized cell called a stem cell. When a stem cell divides, it first becomes an immature red blood cell, white blood cell, or platelet-producing cell.
Explanation:
I am not sure if this helps you....
Bone resorption inhibitors prevent the breakdown of bone tissues and are therefore used to strengthen bone affected by osteoporosis.
<h3>What is osteoporosis? </h3>
It is a condition in which the bones have become weak and turned brittle. The term osteoporosis means 'porous bones. Osteoporosis weakens the bones and thus increases the risk of bone fractures which are sudden and unexpected.
This disease causes a decrease in bone density. It usually starts without any symptoms and doesn't cause any pain and is only diagnosed when a fracture has been caused in a weak bone.
Bone resorption is a natural process of breakdown of bone tissue to supply calcium to the body and this process is usually carried out with bone formation.
During osteoporosis, medications suppressing bone resorption are prescribed to inhibit or slow down the process of breakdown of bones
Read more about osteoporosis, here
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Answer:
B. Bacteria can exchange genes for resistance to antibiotics in this way.
Explanation:
Even though conjugation requires cell-to-cell contact, it can occur between distantly related bacteria
Answer:
A sperm and an egg each contain one set of 23 chromosomes The chromosomes that determine the sex of the baby, so yes
Explanation:
The correct answer is Option D
Reason - Since the two species live in the separate geographical area i.e different ponds they will evolve different traits and characteristics due to geographical diversity Thus any kind of isolation produced with in a species due to change in their spatial entity is called geographic isolation.
