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The middle lamella is mainly filled with
pectin
How does the ‘flavor-savr’ gene in genetically modified tomatoes slow down the ripening process?
by decreasing the level of enzymes that break down pectin (pectinases)
Branch stems arise from “” which are located at the “” along the main stem in the “” of leaves
axillary buds, nodes, axils
As the cells in the apical meristem divide, they give rise to 3 primary or “” meristems, the “” that will form the epidermis, the “” that will form the body of the organ, and the “” that will form the vascular tissue. All other meristems “” produce these primary meristems
transitional, protoderm, ground meristem, procambium, do
The epidermis of root is normally:
not coated
The precursors of all plastids are the “” The plastids that are involved in gravity perception are the “” and they contain “”
proplastids, amyloplasts, starch
The thylakoid membranes in chloroplasts of leaves growing in direct high sunlight conditions have “” and the chloroplasts within cells will arrange themselves to””
less grana stacks and less thylakoids per granum, decrease their exposure to light
What does the difference in the thylakoid membrane organization in shade compared to direct light tell us about the function of these components in the chloroplast?
grana thylakoids can reorganize to make them more efficient in light capture
A meristem is a region of cells that:
undergoes mainly cell division
The plant hormone auxin produced in the apical meristem functions to:
inhibit axillary bud outgrowth