Business information:
A website that wants you to "invest now" straight from the website, with no verifying links providing a stock market quote or investor ratings, is not a reputable one. If you try to take this action on the McWhortle website, you'll note that this website is actually set up by the government to promote awareness of this problem.
Cryo-cell is a real company traded on Nasdaq. You can click through to read annual reports, press releases, and other trading informaiton on the website, but you would have to use a broker -- or an online broker service -- to actually buy stock in Cryo-Cell.
Make sure to look at background information about a company before assuming that it is a true, operating business.