Refer to the following graph of an action potential to answer the question.

At label ________, the cell is not hyperpolarized; however, repolarization is in progress, as the sodium channels are inactivated or becoming inactivated, and many potassium channels have opened.

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#Question id: 19841

#Unit 13. Methods in Biology

Which of the following is true regarding Reverse transcriptase ?

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#Question id: 12287

#Unit 10. Ecological Principles

Food chains are sometimes short because

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#Question id: 18994

#Unit 13. Methods in Biology

Which of the following pulse damper takes up some amount of the pulsation energy which is released to provide smooth pressure without pulsations?

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#Question id: 28209

#Unit 5. Developmental Biology

 Morphogens can be___

a) intrinsic factor

b) transcription factors

c) paracrine factors

d) Endocrine factor

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#Question id: 15667

#Unit 8. Inheritance Biology

You set up the following dihybrid mapping cross in fruit flies. 

P e+e+ roro cq cq x ee ro+ro+ cq+cq+. After backcrossing F1 males to ee roro cq cq females, you get the following results: gray body, rough eyes, claret eyes 576; ebony body, smooth, red eyes 564. How can you explain this result?