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.
1 If your Pap test is normal and/or you have a negative HPV test, then you do not have to have a Pap test every year. 2  For women 21-29 years old: A Pap test every three years is sufficient. Women over 30 years old should be tested for HPV if possible when they have a Pap test. 2  The combination of Pap test and HPV test results can allow less frequent screening in some women over 30.