the following are the (4) stages of development of the neuronal progenitor, Define each! 1. Competence 2. Specification 3. Commitment or Determination 4. Differentiation
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the following are the (4) stages of development of the neuronal progenitor, Define each!
- 1. Competence
- 2. Specification
- 3. Commitment or Determination
- 4. Differentiation
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- What are some of the ethical issues that arise from using embryonic stem cells?(b) To avoid these issues, scientists use IPSCs. What are the pros and cons to using iPSCs inrelation to embryonic stem cells?Cancer is uncontrolled, continuous and un-purposeful multiplication of cells. These cells grow and invade not only neighboring tissues but can go to distant organs through blood or lymph and use most of resources of the body. Q-1 Brain tumor called Glioblastoma arises from glial cells not the neurons. Neurons are not prone to cause cancer. Why?What are the pros and cons to Embryonic stem cells research in Medical research in this country today?
- Discuss the principles that govern the presence and maintenance of stem cells both in vivo and in vitro? What is the current status of the technology, and its possible applications? What are the pros and cons of the technology, and how do these issues personally affect people?What does "potency" mean in the context of stem cells? The power of cells to influence their surroundings The ability of cells to differentiate into specialized cell types The ability of cells to survive under harsh environmental or culture conditions Both A and BWhy Embryonic stem cells research is the most controversial topic in Medical research in this country today?
- 1) Are NGN2-induced neurons (NGN2-iNs) the same as the cells in neural organoids? If not, how are they different? 2) Forced expression of the transcription factor neurogenin 2 (NGN2) induces human neurons, but to mature into electrophysiologically active neurons the require the presence of another cell type: what is that? 3)What kind of expression of NGN2 is associated with a central nervous system (CNS)-like cell? How do you know this?This is one given problem on my homework assignment for developmental biology. Thank you for the help!Describe the effects of FGF and RA on each other in limb bud development. Give a specific example of their effects on each other in this capacity. Knowing this, propose a question/hypothesis to investigate the mechanism of how a specific morphogen controls pattern if you know that the morphogen is both necessary and sufficient AND is expressed in the correct spatial/temporal frame.Somatic stem cells are found in... all choices are correct embryonic tissues adult tissues germ tissue
- What are 3 effects of Stem Cell Treatment to a person? Explain each answer in your own words.1. Neural communication occurs through chemical messengers called neurotransmitters which send messages from one neuron to another. Which if the following statements about neurotransmitter signaling is correct?A. Neurotransmitters are local regulators that enable long-distance communication between neurons.B. Neurotransmitters are long-distance regulators that enable long or short-distance communication among neurons.C. Neurotransmitters are long-distance regulators that enable short-distance communication among neurons.D. Neurotransmitters are local regulators that enable short-distance communication between neurons. 2. Which of the following statements about histones is true?A. Histones do not undergo modifications once attached to DNA.B. The location of a gene relative to histone surface will affect gene expression.C. Histone modifications can only affect gene expression.D. Histone octamer is composed of dimers of H1, H2, H3, and H4. 3. Which of the following can explain why humans…| What role does the synaptonemal complex play? How is this complex different from cohesins?