Which of the following statements about enzymes are true? Select all that apply. a)an enzyme yields a specific product, whereas a non-biological catalyst may produce more than one product, and side reactions may occur. b)reactions occur at the active sight, which usually consist of a crevice on the enzyme's surface. c)both non-biological catalysts and enzymes show reaction specificity. d)generally, an enzyme is specific for a substrate. for example, thrombin catalyzes the hydrolysis of the peptide bond between Arg and Gly.
Getting both the digene HPV Test and a Pap offers the most peace of mind for women 30 and older -- the age group that is most at risk of cervical cancer. If you do not have HPV and your Pap is normal, you can be confident you do not have abnormal cells that could develop into cervical cancer without being detected.
If detected early, cervical cancer can be cured. Pap screen testing should begin at age 21. Routine screening is recommended every three years for women 21-65 years old. For women 30 to 65 years who have a normal Pap test with a negative HPV test, screening every five years is considered adequate. doctor uses a device called a speculum to widen the opening of the vagina so that the cervix and vagina can be examined. A plastic spatula and small brush are used to collect cells from the cervix. After the cells are taken, they are placed into a solution. The solution is sent to a lab for testing.