2. Place your Norfolk pine in the right light. 1  At least 2 hours of direct light per day will sustain your Norfolk pine, however it will adapt to bright indirect light as well. 2  Norfolk pines can thrive in east, west or north facing windows for some of the year.ow to Care for a Norfolk Pine. Despite its name, Norfolk Pines are houseplants, although in a frost-free climate it can grow outdoors quite well--up to 100â (30 M) tall.
Microfilament. Definition. noun, plural: microfilaments. A thin, helical, single-stranded filament of the cytoskeleton found in the cytoplasm of eukaryotic cells, composed of actin subunits, and functions primarily in maintaining the structural integrity of a cell and cell movements.
The cytoskeleton is responsible for cell shape, motility (movement) of the cell as a whole, and motility of organelles within a cell.There are three types of filaments in the cytoplasm of most vertebrate cells: microfilaments, microtubules, and intermediate filaments.he microfilament system is a network of filaments 6 nanometers (nm) in diameter that are important for anchoring plasma membrane proteins, for producing cell movement, and for cell division. The base filament is composed of a protein called actin that is 42 kilodaltons (kd) in weight.