Biology, 17.12.2020 16:30 Jessicawilliams3569
For this problem, you have already determined the cell density of a culture in a flask. You take a 1 ml volume containing 10 cells, and add it to a 10 ml tube of media to get 1 cell/ml. You set up 12 of these tubes all with 1 cell/ml (so you have enough to make a growth curve). These tubes are incubated for 12 days total, and you sample 1 ml each day from the appropriate tube (day 1 is tube 1, day 2 is tube 2, etc.) and spread plate on media plates (1 ml). Cell numbers on the plates are as follows. Day - 1 1 CFU/ml Day - 7 10000 Day - 2 10 Day - 9 1000 Day - 3 100 Day - 10 100 Day - 4 1000 Day - 11 10 Day - 5 10000 Day - 12 10 Day - 6 10000 A. How fast was the growth during exponential phase?
Answers: 3
Biology, 22.06.2019 00:00
Ineed the answer asap. in order to be considered alive, an organism must simultaneously possess the characteristics of homeostasis, heredity, cells, reproduction, and
Answers: 1
Biology, 22.06.2019 02:30
Which of these is most likely to happen if parallax measurements of star distances are taken after a gap of six months? the results would be accurate the results would be inconsistent the results would not be valid the results would not be repeated
Answers: 1
Biology, 22.06.2019 09:10
Explain the cellular functions that occur when antibiotics attack a bacteria cell. a. antibiotics target the cell wall, cell membrane, and the processes of protein and nucleic acids production in bacteria to rupture the cell. b. antibiotics create dormant resistant endospores to preserve the genetic material and rupture the cell. c. antibiotics target the cell wall and form a bridge-like connection to form conjugation. d. antibiotics use binary fission to grow twice its size, replications its dna, and split into two cells.
Answers: 2
Biology, 22.06.2019 10:00
Which substance contains thylakoids? a) nadph b)atp c)stroma d)chloroplast
Answers: 2
For this problem, you have already determined the cell density of a culture in a flask. You take a 1...
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