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Ilia_Sergeevich [38]
3 years ago
14

Why is it important that antibodies have a symmetrical quaternary structure? to enable binding to many different antigens to cre

ate a variable region to create two identical binding sites for antigens to ensure a stable structure?
Biology
1 answer:
Morgarella [4.7K]3 years ago
3 0

<span>It is important that antibodies have a symmetrical quaternary structure to create two identical binding sites for antigens. An antibody is a relatively large protein having a Y-shape. Plasma cells produce antibodies which are then used by the immune system to fight off pathogens (e.g. bacteria and virus). The antibody is able to recognize the antigen of the pathogen. It binds with it either to neutralize it directly or “tag” the microbe for future attack by other parts of the immune system. </span>

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Which movement results after the contraction of the serratus anterior muscle?
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How is this circular motion archived
chubhunter [2.5K]

Answer:

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4 years ago
The most recent blood work of a client with a diagnosis of heart failure indicates increased levels of atrial natriuretic peptid
kipiarov [429]

Optiosn are not provided in the question. The complete question s as following:

The most recent blood work of a client with a diagnosis of heart failure indicates increased levels of atrial natriuretic peptide (ANP) and brain natriuretic peptide (BNP). What are the most likely effects of these peptides on the patient's physiology?

A. Water retention

B. Increased tubular sodium reabsorption

C. Counteracting the effects of the renin-angiotensin-aldosterone system

D. Sympathetic nervous stimulation

Answer:

C. Counteracting the effects of the renin-angiotensin-aldosterone system

Explanation:

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The ANP and BNP plasma levels increase according to the extent of the heart failure. Myocardial stretching is a key factor in stimulating ANP and BNP secretion, while neurohumoral factors also play a role in the secretion process.

Natriuresis, Vasodilatation and activation of renin-angiotensin-aldosterone (RAA) and sympathetic nervous systems are the main physiological effects of ANP and BNP; both of which are expected to prevent the development of heart failure.

Hence, the correct option is C.

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user100 [1]

Answer:

Explanation:

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3 years ago
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