Henry David Thoreau was born at what is now the Thoreau Farm Trust in Concord, Massachusetts on 12 July 1817 to Cynthia (1787-1872) and John Thoreau (1787-1859), pencil maker. He had two sisters and one brother; Helen, Sophia, and John.
All plant cells are characterized by several common features, such as chloroplasts, a cell wall, and a large vacuole. These features also differentiate plant cells from animal cells. In addition, there is a number of specialized types of plant cells that are found only in vascular plants.ll plant cells are characterized by several common features, such as chloroplasts, a cell wall, and a large vacuole. These features also differentiate plant cells from animal cells. In addition, there is a number of specialized types of plant cells that are found only in vascular plants.
Functions of the leaf. Chloroplasts chloroplast: Microscopic structure containing chlorophyl found in green plant cells where photosynthesis takes place. are the tiny structures in plant cells where photosynthesis happens.Chloroplasts contain chlorophyll chlorophyll: The green chemical inside the chloroplasts of plant cells.It enables photosynthesis to take place. , a green pigment that absorbs light energy for photosynthesis. However, chloroplasts are not found in all plant cells.hloroplasts chloroplast: Microscopic structure containing chlorophyl found in green plant cells where photosynthesis takes place. are the tiny structures in plant cells where photosynthesis happens.