Question

What are bacteria? How are some of them useful to us?​

Answer 1

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Bacteria, also called germs, are microscopic organisms not visible with the naked eye. Bacteria are everywhere, both inside and outside of your body. Bacteria can live in a variety of environments, from hot water to ice. Some bacteria are good for you, while others can make you sick.

The bacteria in our bodies help degrade the food we eat, help make nutrients available to us and neutralize toxins, to name a few examples. Also, the microbiota play an essential role in the defense against infections by protecting the colonized surfaces from invading pathogens.

Answer 2

Answer:

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ᴡʜᴀᴛ ɪs ʙᴀᴄᴛᴇʀɪᴀ ?

• ʙᴀᴄᴛᴇʀɪᴀ, ᴀʟsᴏ ᴄᴀʟʟᴇᴅ ɢᴇʀᴍs, ᴀʀᴇ ᴍɪᴄʀᴏsᴄᴏᴘɪᴄ ᴏʀɢᴀɴɪsᴍs ɴᴏᴛ ᴠɪsɪʙʟᴇ ᴡɪᴛʜ ᴛʜᴇ ɴᴀᴋᴇᴅ ᴇʏᴇ. ʙᴀᴄᴛᴇʀɪᴀ ᴀʀᴇ ᴇᴠᴇʀʏᴡʜᴇʀᴇ, ʙᴏᴛʜ ɪɴsɪᴅᴇ ᴀɴᴅ ᴏᴜᴛsɪᴅᴇ ᴏғ ʏᴏᴜʀ ʙᴏᴅʏ. ʙᴀᴄᴛᴇʀɪᴀ ᴄᴀɴ ʟɪᴠᴇ ɪɴ ᴀ ᴠᴀʀɪᴇᴛʏ ᴏғ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛs, ғʀᴏᴍ ʜᴏᴛ ᴡᴀᴛᴇʀ ᴛᴏ ɪᴄᴇ. sᴏᴍᴇ ʙᴀᴄᴛᴇʀɪᴀ ᴀʀᴇ ɢᴏᴏᴅ ғᴏʀ ʏᴏᴜ, ᴡʜɪʟᴇ ᴏᴛʜᴇʀs ᴄᴀɴ ᴍᴀᴋᴇ ʏᴏᴜ sɪᴄᴋ.

ᴡʜᴀᴛ ᴀʀᴇ ᴛʜᴇ ʙᴇɴᴇғɪᴛs ᴏғ ʙᴀᴄᴛᴇʀɪᴀ?

• sᴏᴍᴇ ʙᴀᴄᴛᴇʀɪᴀ ᴀʀᴇ ɢᴏᴏᴅ ғᴏʀ ʏᴏᴜ, ɪɴᴄʟᴜᴅɪɴɢ ᴛʜᴇ ʙᴀᴄᴛᴇʀɪᴀ ɪɴ ʏᴏᴜʀ ᴅɪɢᴇsᴛɪᴠᴇ sʏsᴛᴇᴍ, ᴏʀ ɢᴜᴛ. ᴛʜᴇsᴇ ʙᴀᴄᴛᴇʀɪᴀ ʜᴇʟᴘ ᴛᴏ ʙʀᴇᴀᴋ ᴅᴏᴡɴ ғᴏᴏᴅ ᴀɴᴅ ᴋᴇᴇᴘ ʏᴏᴜ ʜᴇᴀʟᴛʜʏ. ᴏᴛʜᴇʀ ɢᴏᴏᴅ ʙᴀᴄᴛᴇʀɪᴀ ᴄᴀɴ ᴘʀᴏᴅᴜᴄᴇ ᴏxʏɢᴇɴ ᴀʀᴇ ᴜsᴇᴅ ᴛᴏ ᴄʀᴇᴀᴛᴇ ᴀɴᴛɪʙɪᴏᴛɪᴄs. ʙᴀᴄᴛᴇʀɪᴀ ᴀʀᴇ ᴜsᴇᴅ ɪɴ ғᴏᴏᴅ ᴘʀᴏᴅᴜᴄᴛɪᴏɴ ᴛᴏ ᴍᴀᴋᴇ ʏᴏɢᴜʀᴛ ᴀɴᴅ ғᴇʀᴍᴇɴᴛᴇᴅ ғᴏᴏᴅs. ᴛʜᴇ ᴇᴄᴏsʏsᴛᴇᴍ ʀᴇʟɪᴇs ᴏɴ ʙᴀᴄᴛᴇʀɪᴀ ᴛᴏ ғᴜɴᴄᴛɪᴏɴ ᴘʀᴏᴘᴇʀʟʏ. ғᴏʀ ᴇxᴀᴍᴘʟᴇ, ʙᴀᴄᴛᴇʀɪᴀ ʙʀᴇᴀᴋ ᴅᴏᴡɴ ᴅᴇᴀᴅ ᴍᴀᴛᴛᴇʀ ɪɴ ᴛʜᴇ ᴇɴᴠɪʀᴏɴᴍᴇɴᴛ, ʟɪᴋᴇ ᴅᴇᴀᴅ ʟᴇᴀᴠᴇs, ʀᴇʟᴇᴀsɪɴɢ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ ᴀɴᴅ ɴᴜᴛʀɪᴇɴᴛs ɪɴ ᴛʜᴇ ᴘʀᴏᴄᴇss. ᴡɪᴛʜᴏᴜᴛ ᴛʜᴇ ʀᴇʟᴇᴀsᴇ ᴏғ ᴄᴀʀʙᴏɴ ᴅɪᴏxɪᴅᴇ, ᴘʟᴀɴᴛs ᴀʀᴇ ᴜɴᴀʙʟᴇ ᴛᴏ ɢʀᴏᴡ.