An important protein in the activation of the alternative pathway of complement activation is

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.

sand 60

clay 10

silt 30

sandy loam should be dominated by the sand. as the amount of sand increased, the amount of slit needed to anchor the plants' roots to the sand will also be increased. even though the amount is very little, 10% part of clay is still necessary for proper oxidation.

1. a host loses nutrients to a parasite

2. a parasite only benefits when the host is alive (cause if the host dies the parasite dies with it )

3. producers to consumers

4. the tapeworm is a parasite

5. they convert energy from the sun (photosynthesis)

6. sunflower-robin (i think im 80% sure)

7. producer

8. consumer

9. prey

10. fresh water snails ( cause the green algea is the producer and the snails are the primary consumers and the small fish consumer so is the big fish)