Answer:
They are located in the retina (a layer at the back of the eye).
The problem which led to the bursting of the cell is osmosis. This is specifically due to endosmosis which occurs because the cell failed to maintain its internal environment and thus expands and bursts.
Potassium ions are essential for cellular metabolism. Potassium ions are necessary for regulation of membrane potential and polarization and depolarization of the cell membrane. If a cell has too much potassium ions, the inside of the cell becomes hypertonic, with respect to its surrounding. This destabilizes the internal environment and leads to water entering the cell(endosmosis). As endosmosis occurs the cell starts to expand due to excessive water. This leads to expansion and tears and cracks in the cell. The further expansion of the cell leads to the bursting of the cell or lysis of the cell.
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Answer:
-Physical properties possessed by all stars:
- They are made of gases such as hydrogen and helium.
- They shine very brightly due to interaction of hydrogen and helium at appropriate pressure and temperature.
- They contain iron in their cores which monitors the fusion reaction.
- They make energy through fusion between the gases present in the stars which are hydrogen and helium.
- They are not spherical in shape hence this physical property is false in terms physical properties of the stars.
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Explanation:
<span>Protists obtain food in 3 ways. They produce their own
organic molecules, ingest, and absorb.
Ingestive protists ingest food, or engulf bacteria. These protists extend their cell wall and cell membrane forming a
food vacuole around the food item. Inside the food vacuole, enzymes digest the
food. Absorptive protists on the other hand, absorb food molecules across their cell membrane which takes place
through diffusion. Absorptive protists play a key role in decomposition. They are
considered as important decomposers. Major producers like photosynthetic protists use light energy to manufacture their own food.</span>