In a simple mendelian monohybrid cross, tall plants are crossed with short plants, and the f1 plants are allowed to self-pollinate. what fraction of the f2 generation are both tall and heterozygous [a] 100% [b] 75% [c] 50% [d] 25% [e] none of the above

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

What causes the phospholipids to organize themselves the way they do

Most of the fossils found in virginia are in the coastal plain, valley, ridge, and appalachian plateau regions, best suggesting that these geographic provinces a) were once covered by seawater. b) are the oldest parts of virginia. c) have a great deal of karst topography. d) have large amounts of sedimentary rock.