1. Its component proteins usually circulate freely in the blood plasma in inactive form: True. The complement system is made up of a number of small proteins found in the blood, in general synthesized by the liver, and normally circulating as inactive precursors. When stimulated by one of several triggers, proteases in the system cleave specific proteins to release cytokines and initiate an amplifying cascade of further cleavages.

2. It is comprised of a group of proteins that are normally produced in all of the potential routes of entry for microbes: False. While the complement system plays a key role in the immune response and defense against microbes, the proteins are not produced in all potential routes of entry for microbes. They are primarily produced in the liver and circulate in the blood.

3. It is the main defense system of invertebrates: False. While the complement system is an important part of the immune response, it is not the main defense system of invertebrates. Invertebrates rely on both innate and adaptive immune responses, of which the complement system is just one component.

4. It is comprised of approximately 30 proteins: True. The complement system is made up of about 30 proteins that work together to defend against infections and promote inflammation and phagocytic activity.

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1. Its component proteins usually circulate freely in the blood plasma in inactive form: True. The complement system is made up of a number of small proteins found in the blood, in general synthesized by the liver, and normally circulating as inactive precursors. When stimulated by one of several triggers, proteases in the system cleave specific proteins to release cytokines and initiate an amplifying cascade of further cleavages.

2. It is comprised of a group of proteins that are normally produced in all of the potential routes of entry for microbes: False. While the complement system plays a key role in the immune response and defense against microbes, the proteins are not produced in all potential routes of entry for microbes. They are primarily produced in the liver and circulate in the blood.

3. It is the main defense system of invertebrates: False. While the complement system is an important part of the immune response, it is not the main defense system of invertebrates. Invertebrates rely on both innate and adaptive immune responses, of which the complement system is just one component.

4. It is comprised of approximately 30 proteins: True. The complement system is made up of about 30 proteins that work together to defend against infections and promote inflammation and phagocytic activity.

Knowee AI · Accepted Answer

1. Its component proteins usually circulate freely in the blood plasma in inactive form: True. The complement system is made up of a number of small proteins found in the blood, in general synthesized by the liver, and normally circulating as inactive precursors. When stimulated by one of several triggers, proteases in the system cleave specific proteins to release cytokines and initiate an amplifying cascade of further cleavages.

2. It is comprised of a group of proteins that are normally produced in all of the potential routes of entry for microbes: False. While the complement system plays a key role in the immune response and defense against microbes, the proteins are not produced in all potential routes of entry for microbes. They are primarily produced in the liver and circulate in the blood.

3. It is the main defense system of invertebrates: False. While the complement system is an important part of the immune response, it is not the main defense system of invertebrates. Invertebrates rely on both innate and adaptive immune responses, of which the complement system is just one component.

4. It is comprised of approximately 30 proteins: True. The complement system is made up of about 30 proteins that work together to defend against infections and promote inflammation and phagocytic activity.

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