A blockage of the left subclavian artery would interfere with blood flow to the left arm.
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Answer:
C. A baby can't survive without help, just like a virus needs a host in order to reproduce.
Explanation:
Viruses are not considered living beings because they are obligate intracellular parasites, composed primarily of nucleic acids (DNA, RNA or both, in some cases).
In other words, viruses have no metabolism of their own, so they cannot survive without infecting a host cell, in which the virus sets in and modifies its metabolism in order to produce more viruses.
It is during these processes that viruses cause disease in parasitized organisms.
Answer:
Explanation:
Protein functions are so diverse because of the many unique three-dimensional structures protein polymers form. Despite such variety, proteins also share several specific structural characteristics in their monomers, the amino acids. Structural similarities among amino acids make protein synthesis a uniform and regulated process; however, each amino acid contains a unique structural component as well. Specific differences between each amino acid interact to create unique three-dimensional protein structures. Combined, the similarities and differences between amino acids explain how cells can build a diverse pool of proteins from the same set of building blocks. Protein synthesis involves building a polymer of amino acids with complex three-dimensional structure. Dehydration synthesis forms a peptide bond between amino acids and releases a water molecule.
The three states of matter are solids, liquids, and gases. Sometimes, in extreme environments, there is plasma.
