Effect of type
bacterial
a microbiologist hypothesized that
staphylococcus aureus is more susceptible to
antibiotics than escherichia coli. she tested her
hypothesis by exposing the two species of
bacteria to three different antibiotics. the closer
the bacteria were able to grow to antibiotic-soaked
disks, the more resistant they were to treatment
by that antibiotic
distance from disk (mm)
which bacterium would you expect to be more
responsive to antibiotic treatment?
done
e. coli
e. coli
s. aureus
ampicillin
gentamicin

The cluster of developing cells from conception until birth is called an

Aresearcher designed an investigation to test what effect eating different types of food would have on blood insulin levels. she selected 10 male subjects who were all 25 years of age and in good health. the experiment took place over 3 days. at 8: 00 a.m. on each day, the subjects ate a meal consisting of only 1 type of food. they had their blood insulin levels measured after consuming the meal. on day 1 they ate a high fat diet, on day 2 they ate a high protein diet, and on day 3 they ate a high sugar diel what is the independent variable in this experiment? a the age of the subjects b the blood insulin level c the type of food consumed d the time of day the meal was consumed

Which type of stimulus do mechanoreceptors detect? sound pain heat light