Podcast
Questions and Answers
Which of the following is a fundamental stage of embryonic development?
Which of the following is a fundamental stage of embryonic development?
- Cell specification
- Cell differentiation
- Cell competence
- Gastrulation (correct)
What promotes the activity of smoothened signaling in the sonic hedgehog (Shh) pathway?
What promotes the activity of smoothened signaling in the sonic hedgehog (Shh) pathway?
- Facial abnormalities
- Cholesterol (correct)
- Cyclopamine
- Mutations in Shh pathway proteins
Which plant product inhibits smoothened signaling in the sonic hedgehog (Shh) pathway?
Which plant product inhibits smoothened signaling in the sonic hedgehog (Shh) pathway?
- Facial abnormalities
- Cholesterol
- Cyclopamine (correct)
- Mutations in Shh pathway proteins
What do mutations in sonic hedgehog (Shh) pathway proteins cause?
What do mutations in sonic hedgehog (Shh) pathway proteins cause?
What are the three progressive states of embryonic cells that need to be resolved?
What are the three progressive states of embryonic cells that need to be resolved?
What concept generally describes the ability of a cell to respond to morphogen signals?
What concept generally describes the ability of a cell to respond to morphogen signals?
What is the primary process involved in the generation of a new shape during development?
What is the primary process involved in the generation of a new shape during development?
What does induction refer to in embryonic cell development?
What does induction refer to in embryonic cell development?
What is the mechanism by which cells 'know' their position along a line with respect to boundaries at either end?
What is the mechanism by which cells 'know' their position along a line with respect to boundaries at either end?
Which type of cell behavior primarily contributes to establishing an ordered body plan and specifying A/P, D/V axes?
Which type of cell behavior primarily contributes to establishing an ordered body plan and specifying A/P, D/V axes?
What is the ability of a cell to respond to inductive signals known as?
What is the ability of a cell to respond to inductive signals known as?
Which process primarily involves cells becoming structurally and functionally different?
Which process primarily involves cells becoming structurally and functionally different?
What is the term used for the gradual changes that cells go through before acquiring their final fate?
What is the term used for the gradual changes that cells go through before acquiring their final fate?
What can mutations in human EXT1 and EXT2 genes result in?
What can mutations in human EXT1 and EXT2 genes result in?
Which of the following is NOT one of the five fundamental aspects of embryonic development?
Which of the following is NOT one of the five fundamental aspects of embryonic development?
What does cholesterol promote in embryonic development?
What does cholesterol promote in embryonic development?
Which type of plant product inhibits smoothened signaling in the sonic hedgehog (Shh) pathway?
Which type of plant product inhibits smoothened signaling in the sonic hedgehog (Shh) pathway?
What is the term for the ability of a cell to respond to morphogen signals?
What is the term for the ability of a cell to respond to morphogen signals?
Which of the following results from defects in the sonic hedgehog (Shh) signaling pathway, as mentioned in the reading?
Which of the following results from defects in the sonic hedgehog (Shh) signaling pathway, as mentioned in the reading?
What is involved in resolving the three progressive states of embryonic cells - specification, determination, and differentiation?
What is involved in resolving the three progressive states of embryonic cells - specification, determination, and differentiation?
What is the term for the mechanism by which cells 'know' their position along a line with respect to boundaries at either end?
What is the term for the mechanism by which cells 'know' their position along a line with respect to boundaries at either end?
Which of the following is the process primarily involved in the generation of a new shape during development?
Which of the following is the process primarily involved in the generation of a new shape during development?
What is the primary cell behavior that contributes to establishing an ordered body plan and specifying A/P, D/V axes?
What is the primary cell behavior that contributes to establishing an ordered body plan and specifying A/P, D/V axes?
What concept generally describes the ability of a cell to respond to inductive signals?
What concept generally describes the ability of a cell to respond to inductive signals?
Which type of signal transmission involves the process by which adjacent cells receive and respond to the signal?
Which type of signal transmission involves the process by which adjacent cells receive and respond to the signal?
Which stage involves cells being divided into specific germ layers, then into a specific subtype of cells within that germ layer, and eventually acquiring a unique fate?
Which stage involves cells being divided into specific germ layers, then into a specific subtype of cells within that germ layer, and eventually acquiring a unique fate?
What is the main type of cellular activity that serves to establish an ordered body plan and specify A/P, D/V axes?
What is the main type of cellular activity that serves to establish an ordered body plan and specify A/P, D/V axes?
What promotes the activity of smoothened signaling in the sonic hedgehog (Shh) pathway?
What promotes the activity of smoothened signaling in the sonic hedgehog (Shh) pathway?
What does induction refer to in embryonic cell development?
What does induction refer to in embryonic cell development?
What are three main types of signal transmission involved in embryonic cell development?
What are three main types of signal transmission involved in embryonic cell development?
