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What causes nematocyst to discharge?
Nematocyst discharge is triggered by an immediate approach or a foreign stimulus. When the cell is discharged, a brand new nematocyst is created as the system in each cell can only be activated once.
What causes a nematocyst to discharge?
Nematocyst discharge is triggered by an immediate approach or a foreign stimulus. When the cell is discharged, a brand new nematocyst is created as the system in each cell can only be activated once.
Is pyknosis reversible?
Pyknosis is a form of nuclear condensation that occurs during cell death or apoptosis, indicating irreversible cellular damage. Once pyknosis has occurred, it is generally considered irreversible, as it is a sign that the cell is undergoing the final stages of death. While some cellular processes may be reversible, the structural changes associated with pyknosis typically lead to cell demise.
When do chromosomes reach the opposite sides of the cell?
Chromosomes reach the opposite sides of the cell during anaphase of mitosis or meiosis. In this phase, the sister chromatids are pulled apart by the spindle fibers and move toward opposite poles of the cell. This separation ensures that each daughter cell will receive an identical set of chromosomes. Once they have reached the poles, the cell can proceed to the next stage, which is telophase.
How do you get in the cell in garfields scary scavenger hunt?
In "Garfield's Scary Scavenger Hunt," to get into the cell, you need to find the key that unlocks it. Explore the area carefully, solving puzzles and collecting items that may lead you to the key. Once you have the key, approach the cell and use it to unlock the door. Make sure to check your inventory and ensure you have everything you need to proceed.
Explain why a virus might exist for years and only become active once it comes into contact with a living cell?
A virus can remain dormant for years because it is not a living organism and does not have the ability to replicate on its own. Once it comes into contact with a living cell, the virus can hijack the cell's machinery to replicate itself and cause an infection. The activation of the virus is triggered by specific signals or conditions present in the host cell.
The phase of mitosis that ends when the chromosmnes stop moving?
The phase of mitosis that ends when the chromosomes stop moving is called metaphase. In metaphase, the chromosomes align along the cell's equator, and the spindle fibers attach to the centromeres of each chromosome. Once the chromosomes are properly aligned, the cell can proceed to the next phase of mitosis.
What happen to a cytotoxic t cell once it destroys abnormal cells?
Once a cytotoxic T cell destroys abnormal cells, such as virus-infected or cancerous cells, it may undergo a few different fates. Some cytotoxic T cells will undergo apoptosis (programmed cell death) after completing their function, while others may persist as memory T cells, providing long-term immunity and a quicker response to future infections. This ability to remember previous encounters allows the immune system to respond more effectively if the same abnormal cells are encountered again.
WHAT marks the break in the cell cycle between the end of mitosis and beginning of the DNA synthesis stage?
The break in the cell cycle between the end of mitosis and the beginning of the DNA synthesis stage is marked by the G1 phase (Gap 1 phase). During G1 phase, the cell prepares for DNA replication by synthesizing new proteins and organelles. Once the cell passes the restriction point in G1 phase, it commits to proceed through the cell cycle.
How long does a phagocyte cell live?
Phagocyte cells typically have a lifespan of a few days to a few weeks, depending on the specific type of phagocyte and its activity level in the body. Once they have fulfilled their role in clearing pathogens, they undergo programmed cell death (apoptosis) or are cleared by the immune system.
Where does the tadpole's tail go?
During metamorphosis, a tadpole's tail is gradually reabsorbed into its body. This process allows the tadpole to transition into a frog with legs and lungs for its terrestrial adult life. The tail provides nutrients for the tadpole as it changes and is no longer needed once the frog is fully developed.
How is an egg a cell?
an egg cell is the cell inside a womans ovary and is released once a month
