subject
Chemistry, 12.09.2019 02:30 naajaae5040

Experiment: leo placed two circles of paper in a petri dish (something used for growing bacteria). one circle of paper was soaked in penicillin. the other had nothing on it. he poured a liquid filled with bacteria into the petri dish which covered both papers. both circles of paper were placed in the petri dish about 3 cm apart. at the end of the experiment, there were no bacteria growing in the circle soaked in penicillin. the other circle of paper had bacteria that were growing well. what was the control

ansver
Answers: 3

Other questions on the subject: Chemistry

image
Chemistry, 21.06.2019 22:00, NREYESLDS2806
To save time, you can approximate the initial mass of the solid to the nearest ±1 g. for example, if you are asked to add 14.3 g of copper, add between 13 g and 15 g. which of the following sets include two samples with an equal density? which all that apply below 15.4 g gold and 18.7 g silver 15.2 g copper and 50.0 g copper 20.2 g silver and 20.2 g copper 11.2 g gold and 14.9 g gold
Answers: 1
image
Chemistry, 22.06.2019 14:20, jimyyyy
Which of the following are sources of revenue for media companies? a. direct sales to producers b. advertising and subscriptions c. online purchase d. capital investments
Answers: 1
image
Chemistry, 22.06.2019 21:30, poppyme
The same side of the moon always faces earth because the
Answers: 1
image
Chemistry, 23.06.2019 00:00, bryn2433
Predict the relative bond lengths of the three carbon-oxygen bonds in the carbonate ion (co2−3). what would you expect the charge to be on each oxygen? match the words in the left column to the appropriate blanks in the sentences on the right. make certain each sentence is complete before submitting your answer.
Answers: 3
You know the right answer?
Experiment: leo placed two circles of paper in a petri dish (something used for growing bacteria)....

Questions in other subjects:

Konu
Mathematics, 08.12.2019 23:31
Konu
History, 08.12.2019 23:31
Konu
Mathematics, 08.12.2019 23:31