Table of Contents
What shape are plastids?
Depending on the species (species of plant, algae etc) plastids may take up a variety of shapes ranging from discoid, spherical, dumbbell-shaped or lens-shaped among a few others.
What is the structure of the plastid?
Structure of Plastids The chloroplast is bounded by two lipoprotein membranes, an outer and an inner membrane, with an intermembrane space between them. The inner membrane encloses a matrix, the stroma which contains small cylindrical structures called grana. Most chloroplasts contain 10-100 grana.
What is an example of a plastid?
A plastid is a self-reproducing organelle of plants and algae. Examples of plastids are: Chloroplasts: photosynthesis; other plastids may have developed from chloroplasts. Etioplasts are chloroplasts which have not been exposed to light.
What is the plastid and its function?
Plastids are responsible for photosynthesis, storage of products like starch, and for the synthesis of many classes of molecules such as fatty acids and terpenes, which are needed as cellular building blocks and/or for the function of the plant.
Are plastids colored?
The chloroplast is the photosynthetic plastid, and it is named for its green colour. Based on pigmentation, the non-photosynthetic plastids can be broadly divided into leucoplasts, the ‘white’ or colourless plastids, and chromoplasts, the coloured plastids notable for their accumulation of carotenoids.
Where are plastids located?
plants
Plastids are double-membrane organelles which are found in the cells of plants and algae. Plastids are responsible for manufacturing and storing of food. These often contain pigments that are used in photosynthesis and different types of pigments that can change the colour of the cell.
What do Gerontoplasts do?
Plastids are organelles involved in the synthesis and storage of food. They are found within the cells of photosynthetic eukaryotes.
Which plastids are green?
Chloroplasts: typically green plastids used for photosynthesis.
Are all plastids coloured yes or no?
Hint: Plastid is the organelle that is found only in plant cells. The three types of plastids are green plastid, non green chromoplast, and leucoplasts.