define enzyme catalysis what is the reason for its specific action
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ᴍᴇᴄʜᴀɴɪsᴍ ᴏғ ᴇɴᴢʏᴍᴇ ᴀᴄᴛɪᴏɴ. ɪɴᴛʀᴏᴅᴜᴄᴛɪᴏɴ - ᴇɴᴢʏᴍᴇ ᴄʜᴀʀᴀᴄᴛᴇʀɪsᴛɪᴄs: ᴛʜᴇ ʙᴀsɪᴄ ᴍᴇᴄʜᴀɴɪsᴍ ʙʏ ᴡʜɪᴄʜ ᴇɴᴢʏᴍᴇs ᴄᴀᴛᴀʟʏᴢᴇ ᴄʜᴇᴍɪᴄᴀʟ ʀᴇᴀᴄᴛɪᴏɴs ʙᴇɢɪɴs ᴡɪᴛʜ ᴛʜᴇ ʙɪɴᴅɪɴɢ ᴏғ ᴛʜᴇ sᴜʙsᴛʀᴀᴛᴇ (ᴏʀ sᴜʙsᴛʀᴀᴛᴇs) ᴛᴏ ᴛʜᴇ ᴀᴄᴛɪᴠᴇ sɪᴛᴇ ᴏɴ ᴛʜᴇ ᴇɴᴢʏᴍᴇ. ᴛʜᴇ ᴀᴄᴛɪᴠᴇ sɪᴛᴇ ɪs ᴛʜᴇ sᴘᴇᴄɪғɪᴄ ʀᴇɢɪᴏɴ ᴏғ ᴛʜᴇ ᴇɴᴢʏᴍᴇ ᴡʜɪᴄʜ ᴄᴏᴍʙɪɴᴇs ᴡɪᴛʜ ᴛʜᴇ sᴜʙsᴛʀᴀᴛᴇ.
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The mechanism of enzymatic action
An enzyme attracts substrates to its active site, catalyzes the chemical reaction by which products are formed, and then allows the products to dissociate (separate from the enzyme surface). The combination formed by an enzyme and its substrates is called the enzyme–substrate complex. When two substrates and one enzyme are involved, the complex is called a ternary complex; one substrate and one enzyme are called a binary complex. The substrates are attracted to the active site by electrostatic and hydrophobic forces, which are called noncovalent bonds because they are physical attractions and not chemical bonds.
An enzyme attracts substrates to its active site, catalyzes the chemical reaction by which products are formed, and then allows the products to dissociate (separate from the enzyme surface). The combination formed by an enzyme and its substrates is called the enzyme–substrate complex. When two substrates and one enzyme are involved, the complex is called a ternary complex; one substrate and one enzyme are called a binary complex. The substrates are attracted to the active site by electrostatic and hydrophobic forces, which are called noncovalent bonds because they are physical attractions and not chemical bonds.
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