A 75-year-old man goes to the hospital emergency department and faints. Five minutes later he is alert. An EKG shows 75 P waves per minute and 35 QRS waves per minute with a normal QRS width. Which of the following is the likely diagnosis?

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#Question id: 19385

#12. Applied Biology

Which bacterium strain has CP4 has a glyphosate tolerant EPSPS enzyme. This EPSPS gene was transferred into soybean.

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#Question id: 5227

#11. Evolution and Behavior

One of the characteristics of retrotransposons is that

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#Question id: 1279

#4. Cell Communication and Cell Signaling

A tight junction is made up of which of the following proteins?

a. tricellulin                                                     b. occludin

c. claudin                                                         d. connexins

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#Question id: 547

#1. Molecules and their Interaction Relevant to Biology

The role of an enzyme in an enzyme-catalyzed reaction is to:

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#Question id: 3658

#3. Fundamental Processes

In E. coli, the UvrABC endonuclease removes _____________and other bulky lesions by recognizing the distortion these produce in the double helix.