Osteoporosis and arthritis are common problems of which body system? (fill in the blank with one of the following: nervous system, endocrine system, skeletal system)

Astudy shows that an influenza vaccine is 71.4% effective in preventing a particular type of influenza. if 15,422 people receive the vaccine, how many would not be protected and would be likely to get infulenza?

If a viral host cell has a mutation that interferes with the addition of carbohydrates to proteins in the golgi, which of the following could likely result? a) the viral envelope proteins would not be glycosylated and might not arrive at the host plasma membrane.b) the viral capsid proteins would not be glycosylated and might not arrive at the host plasma membrane.c) the viral core proteins would not be glycosylated and might not arrive at the host plasma membrane.d) the virus would be unable to reproduce within the host cell

In a search a driver needs to look in a of distances far away to near, as well as to the left, right and rear of the vehicle, making efficient use of both central and fringe vision. a) fast manner b) systematic manner c) slow manner d) aggressive