$1.$ The Tricarboxylic Acid Cycle $($TCA$)$ involves a few of the water$-$soluble vitamins within the process. Using either a figure or a diagram, explain the roles of the water$-$soluble vitamins within the TCA.

$2.$ What are the main coenzymes for each of the water$-$soluble vitamins and which processes would be affected if the body was low in that vitamin?$$

$3.$ Which water$-$soluble vitamins have a functional role in the hematopoietic process?

$4.$ Which water$-$soluble vitamins have a functional role in energy production and nutrient metabolism?

$5.$ Which water$-$soluble vitamins have a functional role in gene expression?

$6.$ What are the functions of the B$-$complex vitamins?

$7.$ What are the functions of Vitamin C$?$