The Head Start program is authorized by the Improving Head Start for School Readiness Act of 2007 [PDF, 271KB]. 1  View Head Start fact sheets to learn more about demographics, state allocations, program statistics, and general information on Head Start enrollment history.
A membrane-bounded organelle with chlorophyll containing membranous  thylakoids where photosynthesis takes place is called chloroplast.  A green pigment that absorbs solar eâ¦nergy and is important in algae  and plant photosynthesis is chlorophyll. Answered.
Chlorophyll is vital for photosynthesis, which allows plants to absorb energy from light. Chlorophyll molecules are specifically arranged in and around photosystems that are embedded in the thylakoid membranes of chloroplasts. In these complexes, chlorophyll serves two primary functions.onversely, it is a poor absorber of green and near-green portions of the spectrum, hence the green color of chlorophyll-containing tissues. Chlorophyll was first isolated and named by Joseph Bienaime BienaimÃ© caventou And Pierre Joseph pelletier in. 1817