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Hace 2 días · Protonema is the first stage of growth in mosses and some liverworts, formed from spores. It consists of two types of cells: chloronemata and caulonemata, which produce buds and gametophores.
20 de may. de 2024 · Chlorophyll is found in virtually all photosynthetic organisms, including green plants, cyanobacteria, and algae. It absorbs energy from light; this energy is then used to convert carbon dioxide to carbohydrates. Understand how the presence of different pigments chlorophyll, anthocyanin, anthoxanthins, and carotenoids determine a plant's color.
15 de may. de 2024 · The spore, under favourable conditions, germinates and grows into a branching green thread, the protonema. Ultimately, the gametophyte grows from a small bud produced by a cell of the protonema that divides and differentiates.
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15 de may. de 2024 · Protonemal cell length increased with reductions in light intensity although internode lengths of leafy shoots were not affected. Quantitative studies of cultures from single gemmae grown under coloured filters suggested a complex interaction of photosystems in the protonema.
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18 de may. de 2024 · Protonema occurs in the life cycle of Funaria. The spore is the first cell of gametophytic generation and it germinates to form a filamentous branched alga like structure called protonema. If gives rise to new plant.
