Question

2. Answer the following question:
a) Why lysosomes are known as 'suicide bags' of a cell?
b) Which cell organelle controls most of the internal activities of a cell?
c) Name the different components of xylem and draw a living component?​

Answer 1

Why lysosomes are known as 'suicide bags' of a cell?

a) ᴡʜᴇɴ ᴄᴇʟʟ ɢᴇᴛs ᴅᴀᴍᴀɢᴇᴅ, ʟʏsᴏsᴏᴍᴇ ᴍᴀʏ ʙᴜʀsᴛ ᴀɴᴅ ᴛʜᴇ ᴇɴᴢʏᴍᴇs ᴅɪɢᴇsᴛ ᴛʜᴇɪʀ ᴏᴡɴ ᴄᴇʟʟ. ᴛʜᴇʀᴇғᴏʀᴇ ʟʏsᴏsᴏᴍᴇs ᴀʀᴇ ᴋɴᴏᴡɴ ᴀs ᴛʜᴇ sᴜɪᴄɪᴅᴀʟ ʙᴀɢs ᴏғ ᴀ ᴄᴇʟʟ ᴏʀ ᴡᴇ ᴄᴀɴ sᴀʏ ᴛʜᴀᴛ ᴛʜᴇʏ ᴘᴏssᴇs ᴅɪғғᴇʀᴇɴᴛ ᴋɪɴᴅ ᴏғ ʜʏᴅʀᴏʟᴀsᴇs ᴏɴ ʀᴇʟᴇᴀsᴇ ᴏғ ᴛʜᴇsᴇ ᴇɴᴢʏᴍᴇs ᴛʜᴀᴛ ᴄᴀᴜsᴇ ᴅᴇᴀᴛʜ ᴏғ ᴄᴇʟʟ.

Which cell organelle controls most of the internal activities of a cell?

b) ᴛʜᴇ ɴᴜᴄʟᴇᴜs ᴄᴏɴᴛʀᴏʟs ᴀʟʟ ᴏғ ᴛʜᴇ ᴄᴇʟʟ's ᴀᴄᴛɪᴠɪᴛɪᴇs, sᴜᴄʜ ᴀs ɢʀᴏᴡᴛʜ ᴀɴᴅ ᴍᴇᴛᴀʙᴏʟɪsᴍ, ᴜsɪɴɢ ᴛʜᴇ ᴅɴᴀ's ɢᴇɴᴇᴛɪᴄ ɪɴғᴏʀᴍᴀᴛɪᴏɴ. ᴡɪᴛʜɪɴ ᴛʜᴇ ɴᴜᴄʟᴇᴜs ɪs ᴀ sᴍᴀʟʟᴇʀ sᴛʀᴜᴄᴛᴜʀᴇ ᴄᴀʟʟᴇᴅ ᴛʜᴇ ɴᴜᴄʟᴇᴏʟᴜs, ᴡʜɪᴄʜ ʜᴏᴜsᴇs ᴛʜᴇ ʀɴᴀ (ʀɪʙᴏɴᴜᴄʟᴇɪᴄ ᴀᴄɪᴅ

Name the different components of xylem and draw a living component?

xʏʟᴇᴍ ᴄᴏɴsɪsᴛs ᴏғ ᴛʀᴀᴄʜᴇɪᴅs, ᴠᴇssᴇʟs, xʏʟᴇᴍ ᴘᴀʀᴇɴᴄʜʏᴍᴀ ᴀɴᴅ xʏʟᴇᴍ ғɪʙʀᴇs. ᴛʜᴇ ᴏɴʟʏ ʟɪᴠɪɴɢ ᴄᴏᴍᴘᴏɴᴇɴᴛ ᴏғ xʏʟᴇᴍ ɪs xʏʟᴇᴍ ᴘᴀʀᴇɴᴄʜʏᴍA