#Question id: 10409
#Unit 6. System Physiology – Plant
#Question id: 5140
#Unit 5. Developmental Biology
Following statements regarding to the Ectodermal competence and the ability to respond to the optic vesicle inducer in Xenopus.
A. The optic vesicle is able to induce lens formation in the posterior portion of the ectoderm but not in the anterior portion.
B. If the optic vesicle is removed, the surface ectoderm forms either an abnormal lens or no lens at all.
C. Only head ectoderm is competent to respond to the signals from the optic vesicle by producing a lens.
D. The head ectoderm appears to secrete two paracrine factors BMP 4 and FGF8, which involves in the activation of lens-specific genes such as crystallin.
Which of the following combination is incorrect?
#Question id: 12592
#Unit 10. Ecological Principles
Use the following diagram of five islands formed at around the same time near a particular mainland and MacArthur and Wilson's island biogeography principles to answer the following questions.
Which island would likely have the greatest species diversity?
#Question id: 10782
#Unit 6. System Physiology – Plant
Which one of the following are not shown the characteristics of Saponins_____
#Question id: 3935
#Unit 3. Fundamental Processes
Sequences that are removed from the primary RNA transcript in eukaryotes are called __.