Biology, 22.02.2017 03:15 hwhite41

Alexander fleming was a biologist who was best known for his discovery of the antibiotic penicillin. during his research, dr. fleming noticed that there was no bacterial growth where there was mold growing on his petri dishes. he could have thrown out his plates, but instead he cultured the mold. how did dr. fleming’s creativity lead to a scientific discovery?

a)he noticed that bacteria cells and mold coexisted well.
b)he observed that bacterial cells had become mold.
c)he concluded that the mold inhibited the growth of bacteria.
d)he inferred that mold and bacteria share most of their dna.

Answers: 1

Another question on Biology

Biology, 04.02.2019 16:50
25) a student takes four samples of a white crystalline solid and places each in a well plate. on top of each sample, she carefully places 20 drops of clear mystery liquids a, b, c and d. her results for each well are: liquid a: the solid dissolves quickly. liquid b: the solid appears unchanged. liquid c: a brownish colored liquid is produced. liquid d: fizzing occurs and the well becomes warmer. in which well does a physical change occur?
Answers: 3
Biology, 13.04.2018 20:38
What is the number of phosphates in an atp molecule
Answers: 1
Biology, 01.02.2019 18:56
Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?
Answers: 1
Biology, 01.02.2019 17:53
Which of the following is the source of energy for photosynthesis? a.) glucose b.) chlorophyll c.) carbon dioxide d.) sunlight
Answers: 1
You know the right answer?
Alexander fleming was a biologist who was best known for his discovery of the antibiotic penicillin....
Mathematics, 16.04.2020 20:18
History, 16.04.2020 20:18
Questions on the website: 6713812