Darwin used the phrase "descent with modification" to explain ________.

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#Question id: 11024

#Unit 7. System Physiology – Animal

A 55-year-old man has been diagnosed with Stokes-Adams syndrome. Two minutes after the syndrome starts to cause active blockade of the cardiac impulse, which of the following is the pacemaker of the heart?

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#Question id: 10291

#Unit 6. System Physiology – Plant

Glyceraldehyde 3-phosphate dehydrogenase belongs to the which class of eenzyme?

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#Question id: 2657

#Unit 2. Cellular Organization

In Lac-operon, the gene product of LacA gene is

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#Question id: 21240

#Unit 7. System Physiology – Animal

A visual exam in an 80-year-old man shows he has a reduced ability to see objects in the upper and lower quadrants of the left visual fields of both eyes but some vision remains in the central regions of the visual field. The diagnosis is

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#Question id: 12229

#Unit 10. Ecological Principles

Community ecologists would consider which of the following to be most significant in understanding the structure of an ecological community?