Answer:Connective tissue integrates the various parts of the body and provides support and protection to organs. Muscle tissue allows the body to move. ... Different types of tissues form membranes that enclose organs, provide a friction-free interaction between organs, and keep organs together.
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It's the nucleus or the nucleolus to be exact which produces rRNA which as a structural component of ribosomes. 
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Proteins that assist in the movement of substances across  can be classified into two types which are:
<h3>What are Proteins?</h3>
These are biological molecule which consists of amino acid sequences and are involved in metabolic activities in the body.
They are also found in cells and help in the selective movement of molecules in and out of the cell.
Read more about Protein here brainly.com/question/10058019
 
        
             
        
        
        
The correct answer is C. Artiodactyls 
They've been around more than the others and have existed for some 55 million years.
        
             
        
        
        
Collagen is a substance that is made up of amino acid linked together to form long, branched polypetide (tertiary protein chains).  Thus COLLAGEN is the protein.