icq3 - Class 3 In class questions with answers There are...

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Class 3 In class questions with answers
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here are three general types of intercellular There are three general types of intercellular signaling: juxtacrine, paracrine and autocrine 1 23 Which is which? a. juxtacrine: 1; paracrine: 3, autocrine: 1 b. juxtacrine 2: paracrine: 3; auocrine: 1 c. juxtacrine: 2; paracrine: 1; autocrine: 3 d. juxtacrine:3; paracrine: 2; autocrine: 1 e. juxtacrine:3; paracrine: 1; autocrine: 2
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How do we know which of the tissues is the inducer and which is the one being induced? a. The optic vesicle induces the surface ectoderm b. The surface ectoderm induces the optic vesicle c. They induce each other d. You cannot be sure The actual answer is a. D was a reasonable answer today, given that some pieces of information were missing. Some things you don t know from this experiment: could pax-6 activate a ligand in the inducing tissue rather than being activated by an inducer? Could the ectoderm make lens without any signal? What you can definitively conclude from this
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icq3 - Class 3 In class questions with answers There are...

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