Podcast
Questions and Answers
Which of the following cellular processes is NOT mentioned as being involved in maintaining cellular homeostasis?
Which of the following cellular processes is NOT mentioned as being involved in maintaining cellular homeostasis?
- Oxidative phosphorylation
- DNA replication (correct)
- Protein ubiquitination
- Sumoylation
Apoptosis is a process that involves uncontrolled cell death.
Apoptosis is a process that involves uncontrolled cell death.
False (B)
What is the primary function of autophagy?
What is the primary function of autophagy?
Autophagy is a catabolic process that breaks down and removes damaged proteins and organelles within the cell.
The enzymes responsible for breaking down cells during apoptosis are called ______.
The enzymes responsible for breaking down cells during apoptosis are called ______.
Match the following cell death mechanisms with their primary characteristics:
Match the following cell death mechanisms with their primary characteristics:
The influx of Ca2+ through specialized CRAC channels is necessary for the maintenance of NFAT proteins in the nucleus.
The influx of Ca2+ through specialized CRAC channels is necessary for the maintenance of NFAT proteins in the nucleus.
What is the primary characteristic that distinguishes CRAC channels from other SOCs?
What is the primary characteristic that distinguishes CRAC channels from other SOCs?
NFAT interacts with ______ and enhances its transcriptional activity.
NFAT interacts with ______ and enhances its transcriptional activity.
What is the role of the COOH-terminal region of Cabin1 in the regulation of MEF2D activity?
What is the role of the COOH-terminal region of Cabin1 in the regulation of MEF2D activity?
Match the following proteins with their respective functions:
Match the following proteins with their respective functions:
What is the main mechanism by which a Ca2+ signal promotes the activation of MEF2D?
What is the main mechanism by which a Ca2+ signal promotes the activation of MEF2D?
The cleavage of Cabin1 by Capn2 leads to the inactivation of calcineurin.
The cleavage of Cabin1 by Capn2 leads to the inactivation of calcineurin.
How does Cabin1 contribute to the regulation of MEF2D activity?
How does Cabin1 contribute to the regulation of MEF2D activity?
Which of the following is NOT a critical step in the activation of calcineurin?
Which of the following is NOT a critical step in the activation of calcineurin?
The interaction between Cabin1 and calcineurin is dependent on both ______ and ______ activation.
The interaction between Cabin1 and calcineurin is dependent on both ______ and ______ activation.
What is the primary function of FAS-associated death domain (FADD) in the FAS signaling pathway?
What is the primary function of FAS-associated death domain (FADD) in the FAS signaling pathway?
The activation of NF-kappa B (NFκB) by TNFR1 signaling always leads to cell survival.
The activation of NF-kappa B (NFκB) by TNFR1 signaling always leads to cell survival.
What are the two main types of immune cells that utilize the granule exocytosis pathway to eliminate infected or cancerous cells?
What are the two main types of immune cells that utilize the granule exocytosis pathway to eliminate infected or cancerous cells?
The ______ pathway is triggered by the activation of ASK1, which is activated by the adaptor protein DAXX in the FAS signaling pathway.
The ______ pathway is triggered by the activation of ASK1, which is activated by the adaptor protein DAXX in the FAS signaling pathway.
Match the following molecules with their respective roles in apoptosis:
Match the following molecules with their respective roles in apoptosis:
Which of the following molecules is responsible for directly activating caspase-9 in the apoptosome?
Which of the following molecules is responsible for directly activating caspase-9 in the apoptosome?
The granule exocytosis pathway employed by CTL and NK cells releases only granzymes into the immunological synapse.
The granule exocytosis pathway employed by CTL and NK cells releases only granzymes into the immunological synapse.
What is the role of FLIP in TNFR1-mediated signaling?
What is the role of FLIP in TNFR1-mediated signaling?
The release of ______ from mitochondria, triggered by the activation of tBID, is a pivotal step in the FAS-mediated apoptosis pathway.
The release of ______ from mitochondria, triggered by the activation of tBID, is a pivotal step in the FAS-mediated apoptosis pathway.
Which of the following pathways is NOT directly involved in the FAS-mediated apoptosis pathway?
Which of the following pathways is NOT directly involved in the FAS-mediated apoptosis pathway?
What is the role of Granzyme-B during apoptosis?
What is the role of Granzyme-B during apoptosis?
Apoptosis results in the release of cellular contents into the extracellular space.
Apoptosis results in the release of cellular contents into the extracellular space.
What are the two sources of intracellular free Ca2+ in T-Cells?
What are the two sources of intracellular free Ca2+ in T-Cells?
Calcium (Ca2+) is a key signal for T-Cell ______.
Calcium (Ca2+) is a key signal for T-Cell ______.
Match the components involved in T-Cell activation with their roles:
Match the components involved in T-Cell activation with their roles:
Which of the following is NOT a consequence of apoptosis?
Which of the following is NOT a consequence of apoptosis?
Activated cytotoxic T lymphocytes (CTLs) are destroyed during the apoptosis process.
Activated cytotoxic T lymphocytes (CTLs) are destroyed during the apoptosis process.
What enzyme is responsible for cleaving PIP2 in the plasma membrane?
What enzyme is responsible for cleaving PIP2 in the plasma membrane?
The binding of the antigen-MHC Class-II complex triggers the recruitment of ______ to the TCR/CD3/CD4 complex.
The binding of the antigen-MHC Class-II complex triggers the recruitment of ______ to the TCR/CD3/CD4 complex.
What is the effect of IP3 during T-Cell activation?
What is the effect of IP3 during T-Cell activation?
What is the role of caspase 8 in apoptosis?
What is the role of caspase 8 in apoptosis?
FLIP is an activator of apoptosis.
FLIP is an activator of apoptosis.
Name the three types of autophagy.
Name the three types of autophagy.
The kinase _______ is a critical regulator of autophagy induction.
The kinase _______ is a critical regulator of autophagy induction.
Which molecule is indirectly associated with FADD through DAP3?
Which molecule is indirectly associated with FADD through DAP3?
Match the following proteins to their function:
Match the following proteins to their function:
Autophagy is generally activated by conditions of nutrient abundance.
Autophagy is generally activated by conditions of nutrient abundance.
Flashcards
Sumoylation
Sumoylation
A process that modifies proteins to regulate cellular functions, including tumor growth.
Apoptosis
Apoptosis
Programmed cell death regulated by signaling pathways for controlled cell shrinkage.
Caspases
Caspases
Proteolytic enzymes that execute apoptosis by cleaving key proteins.
Necrosis
Necrosis
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Autophagy
Autophagy
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Tumor growth suppression
Tumor growth suppression
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Metastasis
Metastasis
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Homeostasis
Homeostasis
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TRAIL
TRAIL
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FADD
FADD
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Cytochrome c (CytoC)
Cytochrome c (CytoC)
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mTOR
mTOR
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ULK1 Complex
ULK1 Complex
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Granzyme-B
Granzyme-B
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BID
BID
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tBID
tBID
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Phagocytes
Phagocytes
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Calcium (Ca2+)
Calcium (Ca2+)
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T-Cell Activation
T-Cell Activation
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PLC-γ1
PLC-γ1
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DAG and IP3
DAG and IP3
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IP3R
IP3R
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FAS pathway
FAS pathway
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DISC
DISC
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Cytochrome c
Cytochrome c
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apoptosome
apoptosome
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TNF-R1 pathway
TNF-R1 pathway
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Granule exocytosis
Granule exocytosis
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CRAC Channel
CRAC Channel
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Ca2+ Signals
Ca2+ Signals
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NFAT
NFAT
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MEF2D
MEF2D
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p300 Co-activator
p300 Co-activator
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Cabin1
Cabin1
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Calmodulin
Calmodulin
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Calcineurin
Calcineurin
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Capn2
Capn2
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