write down the composition of DNA ? Briefly
Answers
Answered by
64
Answer :↦
- ᴛʜᴇ ᴅɴᴀ ᴍᴏʟᴇᴄᴜʟᴇ ᴄᴏɴꜱɪꜱᴛꜱ ᴏꜰ ᴛᴡᴏ ꜱᴛʀᴀɴᴅꜱ ᴛʜᴀᴛ ᴡɪɴᴅ ᴀʀᴏᴜɴᴅ ᴏɴᴇ ᴀɴᴏᴛʜᴇʀ ᴛᴏ ꜰᴏʀᴍ ᴀ ꜱʜᴀᴘᴇ ᴋɴᴏᴡɴ ᴀꜱ ᴀ ᴅᴏᴜʙʟᴇ ʜᴇʟɪx. ᴇᴀᴄʜ ꜱᴛʀᴀɴᴅ ʜᴀꜱ ᴀ ʙᴀᴄᴋʙᴏɴᴇ ᴍᴀᴅᴇ ᴏꜰ ᴀʟᴛᴇʀɴᴀᴛɪɴɢ ꜱᴜɢᴀʀ (ᴅᴇᴏxʏʀɪʙᴏꜱᴇ) ᴀɴᴅ ᴘʜᴏꜱᴘʜᴀᴛᴇ ɢʀᴏᴜᴘꜱ. ᴀᴛᴛᴀᴄʜᴇᴅ ᴛᴏ ᴇᴀᴄʜ ꜱᴜɢᴀʀ ɪꜱ ᴏɴᴇ ᴏꜰ ꜰᴏᴜʀ ʙᴀꜱᴇꜱ ↦
↦ᴀᴅᴇɴɪɴᴇ (ᴀ)
↦ᴄʏᴛᴏꜱɪɴᴇ (ᴄ)
↦ɢᴜᴀɴɪɴᴇ (ɢ)
↦ᴛʜʏᴍɪɴᴇ (ᴛ)
_______________________
Answered by
1
Answer:
- DNA contains a pentose sugar, deoxyribose.
- It contains the dollowing four nitrogen bases : Purine (Adenine, Guanine) and Pyrimidine (Thymine, Cytosine).
- Phosphate groups
- The ratio of adenine to thymine and guanine to cytosine is one.
- The number of purine nucleotide is equal to the number of pyrimidine nucleotide. A+G = C+T
Similar questions