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How is a vacuole in a plant cell formed?
from many fused or joined vesicles
What do holes in volcanic rock illustrate about the conditions in which it was formed?
Holes in volcanic rock, often referred to as vesicles, illustrate that the rock formed from magma that was gas-rich. As the magma ascended and pressure decreased, dissolved gases escaped and formed bubbles, which were trapped in the solidifying rock. This process indicates rapid cooling and solidification of the lava, typically associated with explosive volcanic eruptions or lava that quickly came into contact with cooler temperatures. The presence and size of these vesicles can provide insights into the volcanic activity and the gas content of the originating magma.
What identifies a vesicle cell only involved in exocytosis?
A vesicle involved only in exocytosis is typically characterized by its membrane composition, which contains specific proteins such as SNAREs that facilitate fusion with the plasma membrane. These vesicles often carry neurotransmitters or hormones and are formed through processes like budding from the Golgi apparatus. Unlike endocytic vesicles, exocytic vesicles are primarily focused on releasing their contents to the extracellular space, playing a crucial role in cell signaling and communication. Additionally, they are usually smaller and more specialized compared to general transport vesicles.
what does A vesicular igneous texture indicates that?
A vesicular igneous texture indicates that the rock contains numerous gas bubbles, or vesicles, formed during solidification. This texture typically occurs in volcanic rocks, such as pumice or scoria, where gases are released from the magma as it erupts. The presence of vesicles suggests that the lava cooled rapidly, allowing the bubbles to be trapped within the solidifying material. Overall, this texture provides insights into the explosive nature of the volcanic activity and the conditions under which the rock formed.
What two types of molecular movement across membranes require vesicles?
Endocytosis and exocytosis are the two types of molecular movement across membranes that require vesicles. Endocytosis involves the engulfment of molecules or particles into a cell by vesicles formed from the cell membrane, while exocytosis involves the release of molecules or particles out of a cell via vesicles fusing with the cell membrane.
What are vesicles formed by the action of what?
bubbles
Vesicles that will transport materials out of the cell are formed where?
Vesicles that transport materials out of the cell are formed at the Golgi apparatus in a process called exocytosis. The vesicles contain the materials to be transported and fuse with the cell membrane to release them outside the cell.
Vesicles the will transport materials out of the cell are formed the what?
Golgi
What forms secretory vesicles?
Secretory vesicles can form from the Golgi apparatus, which packages proteins and molecules for secretion. These vesicles can also be formed from endosomes that have internalized molecules or from specialized secretory cells in the body. Once formed, secretory vesicles move towards the cell membrane for exocytosis to release their contents outside the cell.
How is a vacuole in a plant cell formed?
from many fused or joined vesicles
Which cell component forms pinocytic vesicles?
Plasma membrane is the cell component that forms pinocytic vesicles through the process of endocytosis. Pinocytic vesicles are small membrane-bound vesicles formed by invagination of the plasma membrane to bring in extracellular fluids.
What makes a rock vesicular?
A rock is considered vesicular when it contains numerous vesicles, which are small cavities or holes in the rock formed by gas bubbles trapped during cooling. These vesicles give the rock a spongy or bubbly appearance when viewed, and are typically a result of volcanic activity or gas-rich magmatic processes.
The cell plate is formed by the fusion of vesicles derived from the?
Golgi apparatus
What the function of secretory vesicles?
Vesicles perform many functions through complex mechanisms that can involve many aspects of cell regulation. Secretory vesicles in particular are specialized vesicles formed in the trans-golgi apparatus for releasing a product (such as molecule or protein) outside the cell. Secretory vesicles are used for exocytosis. Mast cells use secretory vesicles to release histamine which is a molecule involved immune response. Neurotransmitters can also be transmitted in secretory vesicles from nerve cells.
The cell plate is formed by the fusion of vesicles derived from what?
The cell plate is formed by the fusion of vesicles derived from the Golgi apparatus during plant cell division. This process is crucial for the formation of a new cell wall that separates the two daughter cells.
What is the function of the secretory vesicle?
Vesicles perform many functions through complex mechanisms that can involve many aspects of cell regulation. Secretory vesicles in particular are specialized vesicles formed in the trans-golgi apparatus for releasing a product (such as molecule or protein) outside the cell. Secretory vesicles are used for exocytosis. Mast cells use secretory vesicles to release histamine which is a molecule involved immune response. Neurotransmitters can also be transmitted in secretory vesicles from nerve cells.
What is the term describing igneous rock openings produced by escaping gases?
The term is vesicles. These are small cavities or voids in igneous rocks formed by gas bubbles escaping as the magma cools and solidifies.
