Answer:
codon
Explanation:
A codon is a sequence of three DNA or RNA nucleotides that corresponds with a specific amino acid or stop signal during protein synthesis. 
 
        
             
        
        
        
1.) B.) plants have chloroplasts 
2.) B.) to prevent hydrophilic heads from sticking 
3.) B , D and maybe C?
        
             
        
        
        
The United Nations Conventions on the Law of the Sea (UNCLOS) stipulates that seabed area, which is not within the landmark of any particular country should be regarded as a common natural heritage. Consequently, any mineral found in such an area can be used by anyone. 
However, because of the abundant presence of sea area, and the way national boundaries often conflict, coupled with the problem of illegal mining practices, such laws are difficult to enforce, and so these regulations are not standardized yet.
Some possible impacts of ilegal seabed mining are:
1. Destabilisation of oceanic systems.
2. It constitutes danger to the organisms living in the hydrothermal vents.
        
             
        
        
        
The correct term to fill in the blank would be pancreas. It is the pancreas that is the primary site for non essential amino acid production in humans. It can be found in the abdomen. There are two functions that the pancreas do. First, it aids in the digestion, an exocrine function. Second, it helps in the regulation of substances inside the body, an endocrine function.