A child receives an x chromosome from its mother and a y chromosome from its father. What is true about this child?

Enzymes are proteins that speed up reactions by providing an additional energy source supplying additional molecules for the reaction removing inhibitors that slow down reactions lowering the amount of energy required

How do diseases caused by bacteria and diseases caused by viruses react to antibiotics?

What are the formed elements (cell or parts of cell) in blood and what are their functions ?