Good morning! No time to chat, we have to talk about plants!
WE HAVE SPROUTS LADIES AND GENTLEMEN!!! At this point in the semester I got excited to have this bean plant because I am seeing real-time what I am learning in class. Check out that SHOOT APICAL MERISTEM! The LEAF PRIMORDIA! The COTYLEDON! VOCAB!
COMPUTER, ENHANCE! TO THE… MOLECULAR LEVEL!
When the shoot apical meristem grows far enough away, axillary meristems start to undergo cell division. This is because the hormone auxin is no longer inhibiting growth and creating apical dominance.
We have zoomed in at the very tip of our bean plant: where all shoot growth starts.
In the shoot apical meristem, cell division occurs, and the shoot grows. The cells are pushed into the leaf primordium to grow into leaf cells that form a leaf! In the ground meristem, cells that become the cortex or the ‘body’ of the plant. The procambium give rises to all the vascular tissues in the plant, and the protoderm becomes the epidermis: the skin!