The frog Xenopus laevis has often served as a model system for the study of apoptosis. Can you think of some reasons that frogs are particularly good models for the study of apoptosis?
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Q: Describe two changes in cells undergoing apoptosis.
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Q: What do you mean by programmed cell death (apoptosis)?
A: Cellular biology deals with all types of aspects of the cell. The cellular functions, cell…
Q: Name one characteristic observed in cells undergoing apoptosis
A: Apoptosis is a programmed cell death that occurs in multicellular organisms which follows a…
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A: Due to question answering policy of bartelbey , I am allowed to answer only first 3 questions .
Q: What is the sequence of events in a cell that is undergoing apoptosis
A: Apoptosis is a type of programmed cell death and is often called type 1 programmed cell death.…
Q: Give the pathway-disruption in the pathway of apoptosis, how this can lead to different diseases?
A: Apoptosis is a process in which cell is directed to death. They could be done by intrensic and…
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A: Apoptosis is the programmed cell death. It occurs as a cell response to various signalling pathways,…
Q: Describe in detail the relevance of apoptosis to cancer therapy
A: Apoptosis or programmed cell death It is a highly regulated process that allows a cell to self…
Q: Describe two functions of apoptosis.
A: Apoptosis (programmed cell death):- This process happens at the time of development and maintaining…
Q: Give the pathway how apoptosis can lead to different diseases?
A: To answer this question we should have knowledge about Cell biology.
Q: Explain why apoptosis is a necessary process.
A: apoptosis is cell death.
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A: Viruses do not have the ability to replicate themselves autonomously; they must inhabit a host.…
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A: Cell signalling forms a part of a communication process that co-ordinates multiple actions of the…
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Q: A cell with DNA damage that could not be repaired will undergo apoptosis. Which apoptotic pathway…
A: Apoptosis is a type of programmed cell death that occurs in multicellular organisms. Biochemical…
Q: Mention what are the important functions of apoptosis?
A: Cells are the basic structural and functional unit of all known organisms and are essential in the…
Q: Disruption in the pathway of apoptosis can lead to different diseases”- Briefly explain the…
A: Apoptosis is a programmed cell death that occurs in the body. Apoptosis takes place to…
Q: Can the intrinsic pathway of apoptosis be influenced or regulated by extracellular factors? Discuss
A: Apoptosis occurs normally during the development and the aging . It also occur as a homeostatic…
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Q: scribe the factors affecting of apoptosis?
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Q: kage b. DNA fragmentation c. the manufacture of cells d. activation of cellular en
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A: When a cell becomes dead this is known as Apoptosis. In Apoptosis the material present in the cell…
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Q: BAX proteins stimulate apoptosis.
A: A natural genetically programmed cell death called apoptosis occurs when an ageing cell reaches the…
Q: Consider the nature of cell signaling pathway outcomes. Which of the following is a benign mutation…
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Q: Explain in detail (steps) how the intrinsic pathways initiates apoptosis.
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Q: Mention what are the important functions of apoptosis
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Q: How do mitochondrial proteins interact with IAPs to prevent inhibition of apoptosis?
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Q: Compare and contrast the processes of cell cycle and apoptosis and give an example of a drug or…
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Q: Mention what are the important functions of apoptosis? discuss briefly at your own words?
A: Apoptosis is a common process through which programmed cell death takes place. There are two forms…
The frog Xenopus laevis has often served as a model system for the
study of apoptosis. Can you think of some reasons that frogs are
particularly good models for the study of apoptosis?
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Solved in 2 steps
- Mention what are the important functions of apoptosis? discuss brieflyDiagram (just use arrows in the same way you diagrammed in a former test a stimulus leading to the activation of PKC, for example) in as much detail as possible what happens to a mammalian cell when it is irradiated, leading to when the cycle stops due to DNA damage. Include and name the famous mammalian checkpoint protein known by its molecular weight, as well as name another protein it activates. This other protein's function can be described by a 3 letter acronym that contains the letter K. Mention the acronym. 1.Mention what are the important functions of apoptosis? discuss briefly at your own words?
- Identify which of the following statements is a lie? Select one: a. Apoptosis occurs as the body produces certain enzymes that initiate degradation of nuclear and cytoplasmic material, breaking the cell into necrosis bodies. b. Apoptosis helps maintain a healthy and normal population of cells. c. Apoptosis plays an essential role in growth, immune surveillance, and embryological development.Describe how Ras and p53 can alter the simplified genetic pathway controlling cell division shown below. For each of the two genes, would uncontrolled cell division result from a loss-of-function or a gain-of-function mutation? growth factors - receptors - cyclins - cyclin-dependent kinases - cell divisionRAS is a signal transducer that acts as a switch for turning on cell division. Drag the descriptions below to their proper places on the figure to show the sequence of events. When growth factor binds to the receptor, the intracellular domain activates RAS by facilitating exchange of GDP for GTP. When no growth factor is bound to the extracellular receptor, RAS is bound to GDP and is inactive. RAS activates the first of three sequential kinase proteins termed the MAP kinase cascade. Cell proliferation proceeds as the machinery for cell division is set in motion. The end result of the MAP kinase cascade is activation of a transcription factor. Receptor 1 Ras GDP 2 4 5 Growth factor Ras GTP
- Which of the following is false about cyclin-cdk complexes? OCdk's do not have to bind to cyclin proteins for complex to be active. OCdk/cyclin complexes phosphorylates proteins required to trigger next cell cycle phase. Process acts as molecular brakes to ensure cell is ready to continue with cell cycle. O Cyclin concentrations increase gradually, but cdk must be phosphorylated by specific kinase for complex to be activeA Patients with an inherited cancer have a mutation in a zinc-finger motif of P21 (a cell-cycle regulatory gene). Which of the following is the most likely result of this A) Decreased binding of a transcription factor to a DNA sequence B) Enhanced binding of hormones to receptors C) Enhanced transport of a hormone receptor complex into the nucleus D) Stimulation of mRNA synthesis E) "Unzipping" of leucine-rich helicesYou are studying the function of Bax as a positive regulator of apoptosis. You've engineered a version of the Bax protein that is functional, but is mislocalized to the plasma membrane rather than the mitochondria. You expect that this will block the intrinsic pathway of apoptosis. When you activate the intrinsic pathway of apoptosis, you are surprised to find that the cells still die. You then do a cell fractionation experiment and verify that Bax is. indeed being sent to the plasma membrane, rather than the mitochondria. In one sentence, what is the most likely hypothesis for what is happening?
- In Xenopus, one of the substrates of mitotic CDKs is the phosphatase Cdc25. When phosphorylated by mitotic CDKs, Cdc25 is activated. What is the substrate of Cdc25? How does this information help to explain the rapid rise in mitotic CDK activity as cells enter mitosis?Predict the effects of the following mutations on the ability of a cell to undergo apoptosis:a. Mutation in Bad such that it cannot be phosphorylated by protein kinase B (PKB)b. Overexpression of Bcl-2c. Mutation in Bax such that it cannot form homodimersOne common characteristic of cancer cells is a loss of function in the apoptotic pathway. Which of the mutations listed above might you expect to find in some cancer cells?DO NOT COPY IN GOOGLE OR BARTLEBY QUESTIONS: - WHEN do you think apoptosis occurs in humans? - What would be the effect if apoptosis doesn't happen? EXPLAIN YOUR ANSWER.