Save. The length of time it takes the Internal Revenue Service to process a return, send a refund or apply a payment depends on several conditions, including the filing and refund delivery methods. The IRS, according to statistics on its website, processed more than 145 million individual returns in 2013.
Abnormal Pap Test - Cause. Most abnormal Pap tests are caused by HPV infections. Other types of infection-such as those caused by bacteria, yeast, or protozoa (Trichomonas)-sometimes lead to minor changes on a Pap test called atypical squamous cells.
To investigate the susceptibility of yeast strains to Pt, both Pi and Pt were added to the EM or SD medium. Sz. pombe KSP632, L972, and L975 and S. cerevisiae W303a grew on the EM or SD medium containing both Pi and Pt (Fig. 2, half closed circle) as well as on the EM-Pi or SD-Pi (Fig.