Answer:
Another name for Circulatory system is Transport system. It brings a transport liquid into close contact with all cells in the body. In the case of Human, it is blood.
Answer:
The enzymebinds to the DNA molecule causing the DNA helix to UNZIP.
Explanation:
Organic would be living material, so no....
Pathogens would be bacteria and fungi, so no...
thermal would be heat, so no...
must be macroscopic
Giant covalent structures contain a lot of non-metal atoms, each joined to adjacent atoms by covalent bonds. The atoms are usually arranged into giant regular lattices - extremely strong structures because of the many bonds involved. The graphic shows the molecular structure of diamond and graphite: two allotropes of carbon, and of silica (silicon dioxide).
