Which type of force requires contact between two objects for one to push or pull the other

The image shows embryos of three vertebrate classes

If you have a difficult time knowing where your hand is without looking at it you may be having a problem with your what ?

Label the steps for protein synthesis in order, beginning with the first steponce the protein is made, the gene for a particular trait is expressedmrna joins the ribosome, and the anticodons from trna join mrna to form a chain ofamino acidsrna polymerase unzips dna and free rna nucleotides join dna to form mrnav a chain of amino acids is formed from peptide bonds, creating a proteinmrna is transported from the nucleus of the cell to the ribosomes of the cell.