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Paladinen [302]
2 years ago
9

How our brain changes duriang the whole life?

Biology
1 answer:
grigory [225]2 years ago
8 0
The resin why our brain changes throughout our life time as human beings, is simply because of age. Whatever you might learn, or adapt to it will all effect the brain. Everything you do is what your brain makes you do, and it changes with everything you do it all has a huge impact on your brain. Everything, its all about age and time. Hope this was helpful !!
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What is the relationship between increased carbon in the ocean and increased carbon in the soil?
zhuklara [117]

Answer:

What is the relationship between increased carbon in the ocean and increased carbon in the soil?

How else might carbon be transferred to soil? Direct because as you increase 1 you increase the other due to the terrestrial plant and oceanic plankton requirements of water, nutrients and CO2.

Explanation:

Hope this <em><u>Helped!</u></em> :D

8 0
3 years ago
4. What are tandem repeats?
weqwewe [10]

tandem repeat is a microsatellite with repeat units that are 2 to 7 base pairs in length, with the number of repeats varying among individuals, making STRs effective for human identification purposes

Explanation:

5 0
3 years ago
What is the importance of the nitrogen cycle?
valentinak56 [21]
Plants and animals could not live without nitrogen<span>. It is an </span>important<span> part of many cells and processes such as amino acids, proteins, and even our DNA. It is also needed to make chlorophyll in plants, which plants use in photosynthesis to make their food and energy.  hope this helps!</span>
6 0
2 years ago
*<br> Which is a type of scavenger?<br> Hyena<br> Lion<br> Bear<br> Deer
DerKrebs [107]
I think that I might be HYENA.

Since they don’t really kill they are mostly “scavengers”

I am not 100% sure though. I hoped I helped at least a little.
6 0
2 years ago
Explain the interaction that occurs between a t-helper lymphocyte and a b cell when the b cell is being induced to produce peanu
Paraphin [41]

Answer:

           According to Dr. Ray Schiling (member of the American Academy of Anti-aging medicine) about 1.5 million people suffer from peanut allergies. The seeds of peanut (<em>Arachis hypogea</em>) contain an array of allergens that can induce the production of IgE specific antibodies predisposed individuals. Ara1 and Ara2 are most common seed storage protein that cause allergy. Other allergen proteins such as Ara3 to Ara 17 have also been identified that cause allergy.  


Entry of peanut allergen into body

When peanut allergens enter the body of an individuals it leads to development of different symptoms like itchy skin, tingling sensation, nausea, runny nose and anaphylaxis.  

Allergic response

There are two subsets of T-cells Th1 and Th2. Both invoke different response to allergens. Th1 direct a non-allergic response while Th2 direct allergic response ranging from releasing of histamine to anaphylactic response. The presence of IL-12 cytokines direct a Th1 based, nonspecific response.  


Mechanism of allergic response (interaction between helper T cell and B cell)

Step 1.  

           When allergen enter to body they are encountered by B cells. Immunoglobulin receptors on the surface of B cells recognize antigen (Peanut allergens) and get attached, which are then internalized and processed. Within B cells the fragments of antigens combine with HLA class 2 proteins.  

Step 2

             HLA class 2 with antigen fragments (peanut allergens) then display on the surface of B cells.

Step 3

            Receptors on the surface of helper T cells recognizes the complex of HLA class 2 and antigen fragments (peanut allergen) and is activated to produce cytokines, which activate the B cells.  

Step 4

             B cell is activated by cytokines and begins clonal expansion. Some of the progeny become anti-body producing plasma cells while other become memory B cells.  


7 0
3 years ago
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