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Which of the following contains a stroma?

Which of the following contains a stroma?

A chloroplast contains stroma. A stroma contains a thylakoid. A granum contains several thylakoids.

What part of the cell contains stroma?

The innermost matrix of chloroplasts, called the stroma, contains metabolic enzymes and multiple copies of the chloroplast genome. Chloroplasts also have a third internal membrane called the thylakoid membrane, which is extensively folded and appears as stacks of flattened disks in electron micrographs.

Which products are produced in stroma?

ATP and NADPH are produced on the stroma side of the thylakoid membrane, where they can be used by the Calvin cycle.

Where is the stroma found?

the chloroplast
The stroma is located in the chloroplast of a plant cell.

What is stroma in human body?

Stroma: The supportive framework of an organ (or gland or other structure), usually composed of connective tissue. The stroma is distinct from the parenchyma, which consists of the key functional elements of that organ.

What is called stroma?

Stroma, in botany, refers to the colorless fluid surrounding the grana within the chloroplast. Within the stroma are grana (stacks of thylakoid), and the sub-organelles or daughter cells, where photosynthesis is commenced before the chemical changes are completed in the stroma. Photosynthesis occurs in two stages.

What is the main function of stroma?

The main function of stroma cells is to help support organs and act as connective tissue for particular organs. The connective tissue here connects to the parenchyma cells of things such as blood vessels and nerves. The stroma cells will help to reduce stress over the organ.

What is the purpose of stroma?

Stroma: The fluid of the chloroplast surrounding the thylakoid membrane; involved in the synthesis of organic molecules from carbon dioxide and water. Thylakoid: A flattened membrane sac inside the chloroplast, used to convert light energy to chemical energy.

What is the function of stroma?

What is an example of stroma?

Stroma (from Greek στρῶμα ‘layer, bed, bed covering’) is the part of a tissue or organ with a structural or connective role. It is made up of all the parts without specific functions of the organ – for example, connective tissue, blood vessels, ducts, etc. Examples of stroma include: stroma of iris.

What is the use of stroma?

For this, the stroma is needed as it contains the enzymes required for carbon fixation along with managing the chloroplast response to cellular stresses and signals between different organelles. Their role is important in both the light-independent and light-dependant reactions of photosynthesis.

What is stroma in the human body?

What kind of pump is an ion pump?

Ion pump (physics) An ion pump (also referred to as a sputter ion pump) is a type of vacuum pump which operates by sputtering a metal getter.

What kind of pump moves ions across a plasma membrane?

For a protein that moves ions across a plasma membrane, see ion transporter. An ion pump is not to be confused with an ionic liquid piston pump or an ionic liquid-ring vacuum pump. An ion pump (also referred to as a sputter ion pump) is a type of vacuum pump which operates by sputtering a metal getter.

How are ion pumps used in ultra high vacuum systems?

Ion pumps are commonly used in ultra-high vacuum (UHV) systems, as they can attain ultimate pressures less than 10 −11 mbar. In contrast to other common UHV pumps, such as turbomolecular pumps and diffusion pumps, ion pumps have no moving parts and use no oil.

Who was the inventor of the ion pump?

In 1957, Lewis D Hall, John C Helmer, and Robert L Jepsen filed a patent for a significantly improved pump, one of the earliest pumps that could get a vacuum chamber to ultra-high vacuum pressures. The basic element of the common ion pump is a Penning trap.