The hypostome acted as an “organizer” of the hydra. This notion has been confirmed by:

A. when transplanted, the hypostome can induce host tissue to form a second body axis.

B. the hypostome do not produces the head inhibition signal.

C. the hypostome is the only “self-differentiating” region of the hydra.

D. the hypostome produces a “head activation signal” that suppresses the formation of new organizing centers.

Which one of the following combinations are incorrect?

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#Question id: 24520

#Unit 11. Evolution and Behavior

which of the following characteristics that are involved to enhances the survival and reproduction of organisms that bear it ?

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#Question id: 18833

#Unit 13. Methods in Biology

The PCR procedure, where Taq polymerase is added after the rest of the PCR components are heated to the  DNA melting temperature, so as to avoid non-specific amplification at lower temperatures is

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#Question id: 14822

#Unit 2. Cellular Organization

Which of the following pertains to Borrelia burgdorferi?

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#Question id: 29481

#Unit 6. System Physiology – Plant

Three main classes of mutations affecting plant height have been selected in which Mutants with a constitutive gibberellin response known as 

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#Question id: 2052

#Unit 4. Cell Communication and Cell Signaling

Why have pigs have been proposed as a source of organs for xenotransplantation to humans?