The talk test can be used to measure the
a. knowledge of an activity
b. intensity of an activity
c. length of an activity
d. cost of an activity
select the best answer from the choices provided. a b c d

What causes fermentation a. antibodies b. antigens c. microorganisms d. antibiotics

Which respiratory measurement as useful in differentiating between obstructive and restrictive pulmonary dysfunction

What is the main structural difference between enveloped and nonenveloped viruses? a) enveloped viruses have their genetic material enclosed by a layer made only of protein. b) nonenveloped viruses have only a phospholipid membrane, while enveloped viruses have two membranes, the other one being a protein capsid. c) enveloped viruses have a phospholipid membrane outside their capsid, whereas nonenveloped viruses do not have a phospholipid membrane. d) both types of viruses have a capsid and phospholipid membrane; but in the nonenveloped virus the genetic material is between these two membranes, while in the enveloped virus the genetic material is inside both membranes.