Biology, 28.11.2019 02:31, carliefox26
In a study to determine the incidence of a chronic disease, 150 people were examined at the end of a 3-year period. twelve cases were found, giving an incidence rate of 8%. fifty other members of the initial cohort could not be examined; 20 of these 50 members could not be examined because they died. does this loss of subjects to follow-up represent a source of bias that may have affected the study results? answer yes or no and provide an explanation.
Answers: 2
Biology, 21.06.2019 14:20, mattgraham366
When is a hurricane considered to have made landfall? a. when at least one inch of rain occurs b. when the eye reaches the land mass c. when the outer wind bands make landfall d. when it moves inland from the coast
Answers: 1
Biology, 22.06.2019 09:00, live4dramaoy0yf9
Apuppy’s tendency to chew is inherited through which of the following? a. through learned behavior b. through genes c. through seasonal cycles d. through hibernation
Answers: 1
Biology, 22.06.2019 11:30, itssergioa
According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes
Answers: 2
Biology, 22.06.2019 15:30, neidaq12345
Bio molecules are essential to all living things. which biomolecule is “d” from the table
Answers: 3
In a study to determine the incidence of a chronic disease, 150 people were examined at the end of a...