Answer:
<h3>The proteins of the complement system</h3><h2> puncture the membranes of foreign cells, destroying the integrity of the pathogen. Destroying the membrane of foreign cells or pathogens </h2><h2>weakens their ability to proliferate,</h2><h2> and helps to stop the spread of infection.</h2>
Explanation:
<h2>
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Solution:
A peptide bond is a chemical bond formed between two molecules when the carboxyl group of one molecule reacts with the amino group of the other molecule, releasing a molecule of water (H2O). This is a dehydration synthesis reaction (also known as a condensation reaction), and usually occurs between amino acids.
Thus the required right answer is carboxyl group and other molecule.
Matter is everything in the known universe that has mass and takes up space.
It happens in every ecosystem and is natural