Auxins
a) promote cell elongation and cell division in stems
b) stimulates seed growth and fruit development
c) promotes cell division
d) regulates the opening and closing of stomata

Chlorophyll is found in plant leaves and absorbs light from the sun to enable plants to perform photosynthesis. magnesium is an important component of chlorophyll. the concentration of magnesium ions is higher in the root-hair cells of plants than in the soil. which mechanism of ion uptake would best enable a plant to produce a steady supply of chlorophyll? osmosis diffusion passive transport active transport

Number and variety of living organism; includes genetic, species, and ecological types

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins.true or false.