The endocrine system functioning is especially implicated in disorders like HIV ,infection, cancer, and arthritis. is FALSE
but the correct answer is the immune functioning which is implicated in disorders like HIV infection , cancer , arthritis and type 1 diabetes .
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Answer:
Option a. is correct
Explanation:
A mutation refers to a change in our DNA sequence which causes it to break down. It occurs due to the following reasons:
1. Due to mistakes when the DNA is copied
2. Due to environmental factors such as UV light, smoking.
3. Exposure to specific chemicals or radiation
The mechanism for reactive oxygen species to cause mutation is that bases are oxidized to a variety of different products which might pair with a different base than the original base would have.
Mother is b+ and o-, and father is a+ and o-
Antibodies are produced when the body is exposed to a pathogen. Antibody production is a function of the specific immunity arm of the immune system.
During the first encounter with a pathogen, antibody production against that pathogen is a bit slow and not very vigorous. However, memory of that pathogen is kept in memory cell which are a type of lymphocyte.
On a second encounter with the same type of pathogen, the immune system specifically remembers the pathogen and the response this time round is faster, very vigorous, specific and very effective.
Vaccines follow this principle, making good use of immune memory.
The primary function of the carbon cycle is to recycle carbon throughout the biosphere, including the atmosphere.
