Which subunit of the E. coli core RNA polymerase (a2bbʹw) contributes to DNA binding?

A) a                 B) b                 C) bʹ                D) w

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#Question id: 24443

#Unit 13. Methods in Biology

Normal electrocardiograms recorded from the three standard bipolar limb leads (I, II, III). Match the following.

Column I	Column II
a. P wave	i. Positive
b. T wave	ii. Negative
c. R wave
d. S wave

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#Question id: 24444

#Unit 13. Methods in Biology

What is the His bundle electrogram (HBE)?

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#Question id: 24445

#Unit 13. Methods in Biology

An electrocardiogram is a painless, noninvasive way to help diagnose many common heart problems. Which of the following would not diagnose by ECG?

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#Question id: 24446

#Unit 13. Methods in Biology

What is the purpose of holter moniter in EKG ?

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#Question id: 24447

#Unit 13. Methods in Biology

In a healthy, alert adult sitting with their eyes closed, the dominant EEG rhythm observed with electrodes over the occipital lobes is:

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#Question id: 24448

#Unit 13. Methods in Biology

A gamma rhythm (30–80 Hz)