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A form of tetrahydrofolate (THF) is one of the coenzymes required to make glycine from the amino acid serine.

Carbohydrate metabolism (e.g. storage  and breakdown of glycogen) is a function of the ______.

This is the name for the cells that secrete mucus in mucosal tissue.

After a sperm unites with an egg, a solid ball of many cells called a(n) _______ forms. 

A morula is created from a single cell by the process(s) of ___________.

Instantaneous communication of electro-chemical signals between the cytoplasm of cardiac muscle fibers       is assisted by ______.

In the 2 –step process of  ________, the information stored in our chromosomes is used to        create functional molecules (such as enzymes) in our body.  

Look at the diagram below.  In situation ‘B’, which solution is hypotonic to the other?

Which embryonic germ layer gives rise to the skin and the central nervous system?

What is the name of the structure identified as ‘a’ in the diagram below?