Answer:
Osteoclasts are the multinucleate bone cell that are responsible for absorbing bone tissue during healing and growth while osteoblasts are the cell responsbile for formation of new bones.
If there will be greater amount of osteoclasts than osteoblasts than the osteoclasts will allow calcium, present in bones to get dissolve which causes deformity of bones known as Osteoporosis (demineralization of the bones).
<em>Due to this the calcium level will increase in the kidney and can cause kidney stone as well.</em>
Viral antigens like EBV are usually recognized by T cells involving an antigen fragment present within class I MHC to the T cell receptor.
Ebstein Barr Virus
The Epstein-Barr virus is a human herpes virus with unusual biological characteristics.
- It lives in practically every human person in a dormant condition in resting memory B lymphocytes
- It is also a strong transforming virus in vitro for B cells and is linked to numerous significant lymphomas, including Burkitt's, Hodgkin's disease, and immunoblastic lymphoma.
With the exception of the memory compartment, each stage of the cycle has been shown to be possibly controlled by the immune response.
Epstein-Barr virus (EBV), commonly known as human herpes virus 4, is a double-stranded DNA herpes virus that is extensively spread. It is the cause of infectious mononucleosis.
- EBV is most usually transmitted by body fluids, particularly saliva. EBV, on the other hand, can transmit by blood and sperm during sexual intercourse, blood transfusions, and organ transplants.
EBV can be transferred by utilizing materials that have recently been used by an infected individual, such as a toothbrush or a drinking glass.
- The virus is likely to survive on an object for at least as long as it is wet.
- When you initially get infected with EBV (primary EBV infection), you might spread the virus for weeks or even months before you notice any symptoms.
- Once the virus has entered your body, it remains dormant.
Hence, the correct answer is option A
Learn more about EBV here,
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Answer:
The correct answer is orange.
Explanation:
Carotenoids are the accessory pigments generated by plants.Carotenoid belongs to terpinoid family of secondary metabolites.Many vegetables such as pumpkin,tomato, carrot have specific color combination only due to the presence of carotenoids.
Carotenoid is responsible for orange,yellow and red coloration of various vegetables such as pumpkin,carrot,tomato etc.
B.
The Hardy-Weinberg equilibrium states that the genetic variation stays constant
A.) Magnitude.
Magnitude just means how bright a star appears from Earth.