Answer: Vacuole
Explanation:
The vacuole occupies on average 50% of the cell volume, oscillating between 5 and 95%. It is a fluid-filled, membrane-wrapped gallbladder. The vacuoles perform numerous functions because, in addition to accumulating nutrients, metabolites, and catabolites, they serve as deposits of specific substances such as proteins, opium, dairy and also various poisonous or unpleasant taste substances, which protect the plant against its predators.
Vacuoles are structures that participate in the maintenance of cell turgor, which pulls the cytoplasm against the cell wall as air tightens the air chamber against the tire. When water is lacking, the plant wilts due to decreased intracellular turgor.
The plant cell organelle which helps in maintaining the shape of the cell by maintaining turgor pressure is vacuole.
Further Explanation:
The vacuole is an organelle which is mainly present in animal and plant also. There is a difference in size of plant and animal vacuole. Plant cells contain vacuole in the centre of the cell which is much larger than the animal vacuole. Animal cells contain multiple vacuoles that are scattered in the cytoplasm of the cell. They contain membrane-bound sacs. The cell membranes of vacuoles are made up of phospholipids. Proteins are embedded in the cell membrane to transport small molecule. Most plant cells use vacuoles to store water. Animals don’t use vacuole as water storage they store product for endocytosis and exocytosis.
The major functions of vacuoles are:
Manly in plants, a large vacuole is present. This vacuole is enclosed by a cytoplasmic membrane which is tonoplast. This layer can easily stretch and fill with solution. They can easily fill with proton and create acidic environment inside the cell. The development of chemical gradient is helps in transporting material inside and outside of vacuole. They use proton motive force to transport molecule. The vacuole when filled completely with water exerts a pressure on walls of cells called turgor pressure. These force help in maintaining the shape of the cell. Also, allow cells to stand up in rain, wind and hail.
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Answer Details:
Grade: High School
Subject: Biology
Chapter: Plant Cell
Keywords:
Membrane, vacuole, exocytosis, endocytosis, fat cells, turgor pressure, water, animal, plant, solution, material, tonoplast, cytoplasmic membrane.
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independently.
In contrast to a three-month-old baby, a four-month-old baby is usually strong enough to hold up its head independently.
A baby typically achieves an important developmental milestone around four months of age: developing enough neck and upper body strength to support their head on their own. This achievement reflects improved motor abilities and control over the neck muscles. When a baby can hold their head up on their own, it makes it easier for them to explore their surroundings and develop their cognitive and sensory abilities.
By offering supervised tummy time and moderate neck exercises, parents and other caregivers can support this developmental milestone. Your baby will eventually gain more control over his head movements as his neck muscles continue to strengthen, paving the way for additional physical and cognitive development.
Learn more about head movements, here:
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Answer:
the answer is head
Explanation:
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Answer:
The immune system mainly defends the body from any organisms that threaten the destruction of cells...
Explanation: