The aorta, which arises directly from the heart
1. <span>It is a salt because it is formed by the reaction of an acid and a base.
</span>2. BASE increases the concentration
All nucleic acids are made up of the same building blocks (monomers). Chemists call the monomers "nucleotides." The five pieces are uracil, cytosine, thymine, adenine, and guanine. No matter what science class you are in, you will always hear about ATCG when looking at DNA.
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4. All of the above.
5. Some plant-like protests undergo sexual reproduction.
6. Animal-like protists with a flagellum.
7. True.
Answer:
Protein.
Explanation:
Pathogens may be defined as the disease causing organism and capable of inducing immune response in the organisms. The organisms that can acts as pathogen are virus, bacteria and nematodes.
Different experiments have been performed to find the infectious agent. The digestion of trypsin protect the animals from the disease. This means the infectious agent must be protein as the protein digestion disrupts the pathogenicity of the organism.
Thus, the answer is protein.
