Which protein can catalyze the formation of phosphodiester bonds?

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#Question id: 23515

#General Aptitude

IUCN' stands for

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#Question id: 4387

#Unit 3. Fundamental Processes

Lipid soluble hormones activate transcription by

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#Question id: 7763

#Unit 5. Developmental Biology

Two major sources of mutation are radiation and reactive oxygen species (ROS).The reactive oxygen species hypothesis for aging postulates that 

1) Senescence results from the accumulation of DNA, lipid, and protein damage inflicted by ROS of mitochondrial origin; and

2) Mitochondria of long-lived species should produce high ROS than do mitochondria of short-lived species.

3) the capacity of mitochondria to consume ROS might distinguish long-lived species from short-lived species, rather than differences in ROS generation. 

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#Question id: 11193

#Unit 7. System Physiology – Animal

Conduction and refractory periods (states) are typical of ________.

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#Question id: 1582

#Unit 4. Cell Communication and Cell Signaling

The EBV antigen fragments will be presented by the virus-infected cells along with which of the following?