What did ozzies ancestors come over on?

When 17-year-old dominik visits with his primary care physician for the first time, he is not sure what information he needs to provide. to ensure adequate care, which details should he share with his doctor? check all that apply. his brother and sister are both adopted. his grandfather smoked cigarettes until he was 25 years old. his mother was diagnosed with cancer. he is having unprotected sex with his girlfriend. he has been excessively tired for the past two months.

Which statement is true about common childhood infectious disease? a. children should always be given antibiotics to treat an infectious illness. b. frequency of infectious illnesses usually increases as children grow older. c. having a minor infectious illness weakens a child's immune system. d. infectious illnesses are usually mild and require no medication.

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv