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.
How often you should get a Pap test depends on your age. The first Pap test is recommended at age 21, regardless of sexual history or sexual activity. From ages 21 to 29, it's recommended that you have a Pap smear every three years.omen 21-30 should get a Pap test every three years. Women over 30 should get a combined Pap test and HPV test every five years. If HPV testing is not available, they may get a Pap test every three years.