Podcast
Questions and Answers
Which protein provides instructions for making Sonic Hedgehog, functioning as a chemical signal essential for embryonic development?
Which protein provides instructions for making Sonic Hedgehog, functioning as a chemical signal essential for embryonic development?
- Smoothened
- Shh (correct)
- Patched
- Gli proteins
In the absence of Shh, what prevents the activation of Smoothened in the neurulation process?
In the absence of Shh, what prevents the activation of Smoothened in the neurulation process?
- Patched (correct)
- Hypothalamus
- Notochord
- Gli proteins
During zebrafish development, where is the mesoderm of the head first specified?
During zebrafish development, where is the mesoderm of the head first specified?
- On the ventral side of the embryo
- Near the animal pole
- On the dorsal side of the embryo (correct)
- At the equator
What is the role of Gli proteins in the hedgehog signaling pathway during embryogenesis?
What is the role of Gli proteins in the hedgehog signaling pathway during embryogenesis?
What is the main role of Shh secreted from the notochord in neural tube development?
What is the main role of Shh secreted from the notochord in neural tube development?
Which structure plays a key role in initiating neurulation by influencing the formation of the neural plate under the influence of Shh?
Which structure plays a key role in initiating neurulation by influencing the formation of the neural plate under the influence of Shh?
Which phase of AP patterning in vertebrate embryos involves the formation of muscle tissue blocks called somites?
Which phase of AP patterning in vertebrate embryos involves the formation of muscle tissue blocks called somites?
What happens when Shh binds to Patched-1 during the hedgehog signaling pathway?
What happens when Shh binds to Patched-1 during the hedgehog signaling pathway?
At what stage in zebrafish development does the initiation phase occur?
At what stage in zebrafish development does the initiation phase occur?
Which gene is an obligate negative regulator in shh signaling and plays an essential role in embryogenesis?
Which gene is an obligate negative regulator in shh signaling and plays an essential role in embryogenesis?
Which stage involves the migration of cells towards the animal pole to form the brain during zebrafish development?
Which stage involves the migration of cells towards the animal pole to form the brain during zebrafish development?
What is the central role played by the mesoderm of the head during zebrafish development?
What is the central role played by the mesoderm of the head during zebrafish development?
During neural tube formation, what is the process where the neural plate creases inward until the edges come in contact and fuse?
During neural tube formation, what is the process where the neural plate creases inward until the edges come in contact and fuse?
Which part of the neural tube gives rise to the brain and spinal cord in the central nervous system?
Which part of the neural tube gives rise to the brain and spinal cord in the central nervous system?
What is the result of the neural fold pinching inside towards the middle line of the embryo and fusing together during primary neurulation?
What is the result of the neural fold pinching inside towards the middle line of the embryo and fusing together during primary neurulation?
Which part of the neural tube forms a cord-like structure that migrates inside the embryo during secondary neurulation?
Which part of the neural tube forms a cord-like structure that migrates inside the embryo during secondary neurulation?
Which signaling molecule controls the development of the spinal cord within the CNS?
Which signaling molecule controls the development of the spinal cord within the CNS?
What does the anterior part of the neural tube develop into during early brain development?
What does the anterior part of the neural tube develop into during early brain development?
