Which would lead to a dorsalized embryo? (Recall that genes in Drosophila are named for their mutant phenotype.

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#Question id: 11671

#7. System Physiology – Animal

Which process in the nephron is least selective?

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#Question id: 22950

#5. Developmental Biology

APETALA1 belongs to the transcription factor family:

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#Question id: 11915

#10. Ecological Principles

Which of the following is the correct prediction about the three types of model such as; Facilitation, Inhibition, Tolerance model.

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#Question id: 16122

#7. System Physiology – Animal

Fever is an abnormal elevation of body temperature. Following statements are regarding to the cellular mechanism of fever.

A. Pyrogens produce fever by increasing the hypothalamic set-point temperature.

B. the mechanism of pyrogen action is increased production of interleukin-1 (IL-1) in phagocytic cells.

C. IL-1 then acts on the anterior hypothalamus to increase local production of prostaglandins, which increase the set-point temperature.

D. IL-1 then acts on the posterior hypothalamus to increase local production of prostaglandins, which increase the set-point temperature.

E. IL-1 then acts on the posterior hypothalamus to increase local production of prostaglandins, which decrease the set-point temperature.

Which of the following combination is correct?

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#Question id: 10991

#7. System Physiology – Animal

When recording lead I on an EKG, the right arm is the negative electrode, and the positive electrode is the