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How are chloroplasts important to Cells?
They, with their included Grana and Stroma, distingush Plant Cells from Animal Cells.
What are the stacks of thylakoids called?
The stacks of thylakoids are called grana. Grana are interconnected structures found within the chloroplasts of plant cells that are responsible for the light-dependent reactions of photosynthesis.
What would no longer be produced if you removed grana from a cell?
Grana are found in the chloroplasts of plant cells and photosynthetic organisms. If the grana were removed, these cells would be unable to begin photosynthesis. As a result, oxygen (O2) and hexose sugars (C6H12O6) - the products of photosynthesis - would not be formed.
What does the word grana mean?
The word grana has two meanings. A grana can be one of the components of a chloroplast in a plant. A grana can also refer to Italian cheese of a hard, mature consistency. Examples of grana cheese include Parmesan and Romano.
What is the function of grana?
photosynethesize the plant cell
Is chloropyll located in the grana?
Yes, chlorophyll is located in the thylakoid membranes of the grana, which are structures within the chloroplasts of plant cells. These membranes contain the pigments that capture light energy during photosynthesis. The grana are stacked structures that increase the surface area for light absorption, facilitating efficient energy conversion.
What is the difference between an animal cell and a palnt cell?
Animal cells lack cell walls and chloroplasts, whereas plant cells have both. Plant cells have larger vacuoles than animal cells. Additionally, plant cells contain plastids, such as chloroplasts, that play a role in photosynthesis, a process not found in animal cells.
Where are the granum and thylakoids found?
Grana are stacks of thylakoid membranes found in the chloroplasts of plant cells. Thylakoids are the disc-shaped structures within the grana that contain chlorophyll and are where the light-dependent reactions of photosynthesis occur.
Do fungi possess chloroplasts?
No, fungi do not possess chloroplasts. Chloroplasts are found in plant cells and are responsible for photosynthesis, which fungi do not perform.
Compare and contrast the physical features of the choloplasts you observed in the different cells?
The chloroplasts in plant cells are generally larger, have a defined shape, and contain stacked thylakoid membranes called grana. In contrast, chloroplasts in algae cells can vary in shape and size, may not always have well-defined grana, and can be more scattered throughout the cell. Overall, both plant and algae chloroplasts function in photosynthesis but may differ in their physical appearance.
What cell type are plant and animal cell?
Plants and Animals both possess eukaryotic cells; their cells have true nuclei.
What is an outside covering that all plant cells have and that is not found in animal cells?
The outside covering that all plant cells have and that is not found in animal cells is called a cell wall. The cell wall provides structure, support, and protection to the plant cell, allowing it to maintain its shape and resist mechanical stress.
