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Chloroplasts

Chloroplasts are a part of a plant's cell. They capture energy from light.

1,379 Questions

What's the meaning of chloroplast?

A plastid containing chlorophyll, developed only in cells exposed to the light. Chloroplasts are minute flattened granules, usually occurring in great numbers in the cytoplasm near the cell wall, and consist of a colorless ground substance saturated with chlorophyll pigments. Under light of varying intensity they exhibit phototactic movements. In animals chloroplasts occur only in certain low forms.

Why is it advantage that bundle sheath chloroplasts lacks grana?

To avoid photophosphorylation to take place( that's to avoid competition between oxygen and corbondioxide in the activesite of rubisco)

Why is it necessary to have 6 CO2 enter the chloroplasts?

It is not necessary.But you need 6 CO2 moles for make 1 glucose mole.

In what part of chloroplasts do dark reactions occur?

It is happening in the storma. it is the 2nd phase.

Why does the source and sink for translocation in a plant change at different stages in the growth of a plant?

The source and sink for translocation in a plant change at different stages of growth mainly due to the shifting metabolic demands of the plant. During early growth stages, leaves often act as sources supplying nutrients to growing tissues, while later in development, storage organs like roots or tubers may become the primary sink for nutrient accumulation. This dynamic allocation is essential for supporting different growth processes throughout the plant's lifecycle.

What contains a matrix called stroma which has a system of membranes running through it?

Chloroplasts contain a matrix called stroma, which is a semi-fluid substance where various cellular processes take place. The stroma also contains a system of interconnected membranes known as thylakoids, where the light-dependent reactions of photosynthesis occur.

Do onion cells still have chloroplasts when they have iodine on them?

The iodine has no connection as to whether the cells have chloroplasts or not. If the cells are green, then they do have them. Adding iodine doesn't change that fact. Not all cells of the plant have chloroplasts. The ones in the soil don't so if you are working with the bulb, it doesn't have chloroplasts in the first place.

Where would you find a cell that contained large number of chloroplasts?

Chloroplasts need good sun light for their functions. So they are highly concentrated in leaves

Which type of organisms process light in the chloroplast?

They are called phototrophs. They are photosynthetic organisms

What is the chloroplast animal cell?

Chloroplasts are not in animal cells. They are in plant cells

Does plasmodium have chloroplast?

No they are not photosynthetic. They do not have.Plasmodium is a heterotrophic organisms. Only photoautotrphs have chloroplasts.

What group of plant organelles do chloroplasts belong to?

They are common to every plants. Only few total parasitic plants lack

What is used in a chloroplast to trap sunlight to make sugar?

Photosynthetic pigments are used.Most predominantly chlorophylls are used.

What do chloroplasts do with glogose they produce?

They are transported througt the cell.They are used in respiration later.

What special pigment to chloroplast contain what color is it?

Chloroplast contain chorophyll pigments.They are green in color.

Where are sugar synthesized in the chloroplast?

It happens in stroma.Dark reaction makes sugar.

Why are chloroplast green on the electro magnetic spectrum?

Chloroplasts contain chlorophyll in them.Chlorophyll absorb red and blue color wavelengths making them appear green.

What is one important function of the chloroplast?

Chloroplast is where chlorophyll is stored. Chloroplasts are organelles found in plant cells and other organisms that conduct photosynthesis. Chloroplasts capture light energy which causes photolysis of water to conserve free energy in the form of glucose which the plant uses for food.through a process called photosynthesis.