Phospholipid: a lipid containing a phosphate group in its molecule, e.g., lecithin.
The cell membrane is semi-permeable, kind of like a filter to let some molecules in and keep larger molecules out
Answer:b. 9 tall/purple flowers: 3 tall/white flowers: 3 dwarf/purple flowers: 1 dwarf/white flowers
Explanation:
Plant Roots. The root system of a plant constantly provides the stems and leaves with water and dissolved minerals. In order to accomplish this the roots must grow into new regions of the soil. The growth and metabolism of the plant root system is supported by the process of photosynthesis occurring in the leaves.