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gladu [14]
3 years ago
14

When blood clots, an enzyme is activated to change a protein from one form into another.

Biology
1 answer:
exis [7]3 years ago
8 0

Answer:

<em>Hey </em><em>mate!</em><em>!</em>

<h2><em>Process </em><em>of </em><em>blood-clotting</em></h2>

<em>The </em><em>mechanism</em><em> </em><em>to </em><em>prevent</em><em> </em><em>excessive</em><em> </em><em>loss </em><em>of </em><em>blood </em><em>from </em><em>the </em><em>body </em><em>is </em><em>called </em><em>blood </em><em>clo</em><em>tting.</em>

<h3><em>Steps </em><em>in </em><em>blood </em><em>clotting</em><em>:</em></h3>
  • <em>At </em><em>the </em><em>site </em><em>of </em><em>cut,</em><em> </em><em>damaged </em><em>cells </em><em>and </em><em>platelets</em><em> </em><em>release </em><em>thr</em><em>o</em><em>m</em><em>b</em><em>o</em><em>plas</em><em>t</em><em>i</em><em>n</em><em>.</em>
  • <em>This </em><em>t</em><em>hrombop</em><em>l</em><em>a</em><em>s</em><em>t</em><em>i</em><em>n</em><em> </em><em> </em><em>with </em><em>the </em><em>help </em><em>of </em><em> </em><em>calcium </em><em>ions,</em><em>converts </em><em>prothrombin</em><em> </em><em>into </em><em>thrombin.</em>
  • <em>In </em><em>the </em><em>presence</em><em> </em><em>of </em><em>calcium </em><em>ions,</em><em>thrombin </em><em>reacts </em><em>with </em><em>soluble </em><em>fibrinogen </em><em>and </em><em>converts </em><em>it </em><em>into </em><em>insoluble </em><em>fibrin.</em>
  • <em>Fibrin </em><em>is </em><em>a </em><em>solid </em><em>substance </em><em>which </em><em>forms </em><em>threads </em><em>and </em><em>a </em><em>meshwork </em><em>at </em><em>the </em><em>site </em><em>of </em><em>cut.</em>
  • <em>Blood </em><em>cells </em><em>trapped </em><em>in </em><em>the </em><em>network </em><em>of </em><em>fibrin.The </em><em>blood </em><em>shrinks </em><em>and </em><em>squeezes </em><em>out </em><em>the </em><em>rest </em><em>of </em><em>plasma </em><em>in </em><em>the </em><em>form </em><em>of </em><em>clear </em><em>liquid.</em>
  • <em>The </em><em>solid </em><em>mass </em><em>which </em><em>is </em><em>left </em><em>behind </em><em>is </em><em>called </em><em>clot.</em>

<em>Hope </em><em>this </em><em>helps </em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em><em>.</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em><em>.</em><em>.</em><em>.</em><em>.</em>

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