Hershey and Chase conclusively show DNA genetic material

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Hershey and Chase conclusively show DNA genetic material

[@briangoldstein3007]

You explained this experiment SO much better than my professor did. Thank you!

[@nollie360]

Sal, you are helping me so much... thank you

[@mandyads]

1:40 | Hershey & Chase

[@chaoyi9336]

Khan academy always safe my life ^^

[@tfoprincess]

Every time I see a woman getting credit for scientific discovery I'm just like, "well maybe the world isn't so bad after all." :3 ^-^

[@JC-xk8vh]

Hidden Figures, I think we need more women in science.

[@digitalbook8503]

@@franciscoaguiar2389 r u french?

[@محمدعليمهدلي-ح6ق]

4:48
I don't understand why. Why is the isotope phosphorus going to incorporate itself into the DNA?
Why is the normal non radioactive phosphorus going to leave its place and give it to the isotope radioactive one?
Is not the link between phosphorus and other elements in the DNA a covalent bond?
does anyone have the same question?

[@vinvas]

shouldnt it be "infected the bacteria" and not * injected the bacteriophage * .

[@umarchowdhury7752]

Yes. Exactly what I was thinking.

[@nu.wa.n]

the cold spring harbour lab still maintains a little exhibit with Hershey and Chase's food blender

[@Bluedragon2513]

7:01 Laziness is my virtue. Can someone fix the captions from "int here" to "in there"?

[@nu.wa.n]

i'm loving these new biology videos. where are they listed on the khan academy website?

[@cloudchasingtears5937]

I legitimatly just took a test on this about 3 hours ago

[@DiamondMind]

howd you do on the test?

[@sulimana3071]

Please hide your videos from people named “ms.lamb”

[@suleman8452]

Sir, I am looking for the answer to the question "how Avery, McCarty, and MacLeod cultured heat-killed S bacteria?" They may not cultured it. they may just start DNA isolation from heat-killed material (containing heat-killed bacteria). please explain the line "To do so, they began with large cultures of heat-killed S cells"

[@ZahraaA95]

you saved my life thank you

[@melikeinternet101]

this makes so much sense thank you!

[@adosar7261]

can you explain how sulfur 35 or phosphorous 32 are incorporate with proteins and dna respectively ?

[@digitalbook8503]

Sulphur 35 is a isotope which is radioactive so u know sulpher is sulphur weather it is radioactive isotope or not thus if u provide cell only s35 then cell will incoporate in protein same for P32

[@jonemely4912]

i love khan academy

[@rogereverett7715]

hi khan can you help me out piz.

[@vanshika7754]

Thanks for helping students always your videos are really good 😘😘

[@marchaddad6970]

Wow thank you.

[@javeriakiran5769]

Thanks

[@andyhuynh2412]

im so confused

[@1david12]

5:45 Bacteria, not Bacteriophage

[@codyellsworth7927]

Yessir.

[@dingaminga7573]

khan in dumb what can you do to make me smart plz.

[@threadsclothing2208]

:)

[@awesomeboss7232]

first comment!!!

[@hiyorioh]

Warren Chen no