Answer:
The correct answer is Cb3 protein.
Explanation:
The alternative pathway of complement is the immune system's natural defense system against any infectious agent. It is one of the 3 complement pathways that kills and any pathogen that enters our body.
The pathway is activated when Cb3 protein binds directly to the microbe.
Cb3 protein is found in abundant quantity in our plasma. It is available in the free form.
Pectoralis minor is the muscle which limits scapular upward rotation, posterior tilting, and external rotation when under excessive passive tension.
<h3>What is Pectoralis minor?</h3>
This muscle is found below Pectoralis major and originates from the middle ribs to the scapula.
When under pressure this muscle limits the various types of movements which are mentioned above.
Read more about Pectoralis minor here brainly.com/question/17124433
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Nucleic acid<span> typically contain phosphorous, and nitrogen plays an important structural role in nucleic acids and proteins. The proteins, being made up a diverse set of amino acids, have, in addition to carbon, hydrogen, oxygen, and nitrogen, the elements sulfur and selenium.</span>