Biology, 16.09.2019 23:10 ghaithalhamdani
The scientist hypothesized that the mold must be producing a chemical that killed the bacteria. he decided to isolate this substance and test it to see if it would kill bacteria. he transferred the mold to a nutrient broth solution. this solution contained all the materials the mold needed to grow. after the mold grew, he removed it from the nutrient broth and then added the broth to a culture of bacteria. he observed that the bacteria in the culture died. his experiments were later used to develop antibiotics.
were his observations qualitative data or quantitative data?
Answers: 1
Biology, 22.06.2019 00:00, unknown9263
Molecular models of two different substances are shown below. in the molecule on the left, the oxygen atom pulls on electrons more strongly than the hydrogen atoms. in the molecule on the right, the two oxygen atoms pull on the shared electrons with the same strength. water molecule, h, o oxygen molecule, oz when the two substances are put in the same container, they do not attract each other. why does this happen? a. they both contain oxygen. b. one is polar and one is nonpolar. c . they are both polar. d. they contain different elements.
Answers: 1
Biology, 22.06.2019 04:30, mildredelizam
Study this image which statement best describes the rock shown check all that apply
Answers: 3
The scientist hypothesized that the mold must be producing a chemical that killed the bacteria. he d...
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