Question

dna as genetic material​

Answer 1

Answer:

Much earlier, scientists believed that the genetic material was protein. In 1952, Hershey & Chase were the ones to conclusively prove that DNA is the genetic material. ... Viruses – grown on radioactive phosphorus have radioactive DNA but not protein since DNA contains phosphorus but protein does not.

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Answer 2

Explanation:

ᴛʜᴇ ᴜɴᴇǫᴜɪᴠᴏᴄᴀʟ ᴘʀᴏᴏғ ᴛʜᴀᴛ ᴅɴᴀ ɪs ᴛʜᴇ ɢᴇɴᴇᴛɪᴄ ᴍᴀᴛᴇʀɪᴀʟ ᴄᴀᴍᴇ ғʀᴏᴍ ᴛʜᴇ ᴇxᴘᴇʀɪᴍᴇɴᴛs ᴏғ ᴀʟғʀᴇᴅ ʜᴇʀsʜᴇʏ ᴀɴᴅ ᴍᴀʀᴛʜᴀ ᴄʜᴀsᴇ (1952). ᴛʜᴇʏ ᴡᴏʀᴋᴇᴅ ᴡɪᴛʜ ᴠɪʀᴜsᴇs ᴛʜᴀᴛ ɪɴғᴇᴄᴛ ʙᴀᴄᴛᴇʀɪᴀ ᴄᴀʟʟᴇᴅ ʙᴀᴄᴛᴇʀɪᴏᴘʜᴀɢᴇs.

ᴛʜᴇ ʙᴀᴄᴛᴇʀɪᴏᴘʜᴀɢᴇ ᴀᴛᴛᴀᴄʜᴇs ᴛᴏ ᴛʜᴇ ʙᴀᴄᴛᴇʀɪᴀ ᴀɴᴅ ɪᴛs ɢᴇɴᴇᴛɪᴄ ᴍᴀᴛᴇʀɪᴀʟᴛʜᴇɴ ᴇɴᴛᴇʀs ᴛʜᴇ ʙᴀᴄᴛᴇʀɪᴀʟ ᴄᴇʟʟ. ᴛʜᴇ ʙᴀᴄᴛᴇʀɪᴀʟ ᴄᴇʟʟ ᴛʀᴇᴀᴛs ᴛʜᴇ ᴠɪʀᴀL ɢᴇɴᴇᴛɪᴄ ᴍᴀᴛᴇʀɪᴀʟ ᴀs ɪғ ɪᴛ ᴡᴀs ɪᴛs ᴏᴡɴ ᴀɴᴅ sᴜʙsᴇǫᴜᴇɴᴛʟʏ ᴍᴀɴᴜғᴀᴄᴛᴜʀᴇs ᴍᴏʀᴇ ᴠɪʀᴜs ᴘᴀʀᴛɪᴄʟᴇs. ʜᴇʀsʜᴇʏ ᴀɴᴅ ᴄʜᴀsᴇ ᴡᴏʀᴋᴇᴅ ᴛᴏ ᴅɪsᴄᴏᴠᴇʀ ᴡʜᴇᴛʜᴇʀ ɪᴛ ᴡᴀs ᴘʀᴏᴛᴇɪɴ ᴏʀ ᴅɴᴀ ғʀᴏᴍ ᴛʜᴇ ᴠɪʀᴜsᴇs ᴛʜᴀᴛ ᴇɴᴛᴇʀᴇᴅ ᴛʜᴇ ʙᴀᴄᴛᴇʀɪᴀ.

ᴛʜᴇʏ ɢʀᴇᴡ sᴏᴍᴇ ᴠɪʀᴜsᴇs ᴏɴ ᴀ ᴍᴇᴅɪᴜᴍ ᴛʜᴀᴛ ᴄᴏɴᴛᴀɪɴᴇᴅ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ

ᴘʜᴏsᴘʜᴏʀᴜs ᴀɴᴅ sᴏᴍᴇ ᴏᴛʜᴇʀs ᴏɴ ᴍᴇᴅɪᴜᴍ ᴛʜᴀᴛ ᴄᴏɴᴛᴀɪɴᴇᴅ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ sᴜʟғᴜʀ.ᴠɪʀᴜsᴇs ɢʀᴏᴡɴ ɪɴ ᴛʜᴇ ᴘʀᴇsᴇɴᴄᴇ ᴏғ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ ᴘʜᴏsᴘʜᴏʀᴜs ᴄᴏɴᴛᴀɪɴᴇᴅʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ ᴅɴᴀ ʙᴜᴛ ɴᴏᴛ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ ᴘʀᴏᴛᴇɪɴ ʙᴇᴄᴀᴜsᴇ ᴅɴᴀ ᴄᴏɴᴛᴀɪɴs ᴘʜᴏsᴘʜᴏʀᴜs ʙᴜᴛ ᴘʀᴏᴛᴇɪɴ ᴅᴏᴇs ɴᴏᴛ. sɪᴍɪʟᴀʀʟʏ, ᴠɪʀᴜsᴇs ɢʀᴏᴡɴ ᴏɴ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ sᴜʟғᴜʀ ᴄᴏɴᴛᴀɪɴᴇᴅ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ ᴘʀᴏᴛᴇɪɴ ʙᴜᴛ ɴᴏᴛ ʀᴀᴅɪᴏᴀᴄᴛɪᴠᴇ ᴅɴᴀ ʙᴇᴄᴀᴜsᴇ ᴅɴᴀ ᴅᴏᴇs ɴᴏᴛ ᴄᴏɴᴛᴀɪɴ sᴜʟғᴜʀ.

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