The net reproductive rate (R0) is 1.5 for a given population. If Nt , the population of females at generation t, is 300, then what will be the population of females after four generations (Nt+4)?

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#Question id: 4664

#Unit 3. Fundamental Processes

Which one of the following statements about E.coli RNA poymerase is false?

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#Question id: 28196

#Unit 5. Developmental Biology

 the tissue that produces a signal that changes the cellular behavior of the other tissue is called___

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#Question id: 10252

#Unit 6. System Physiology – Plant

When molecular oxygen is unavailable—for example, in plant roots in flooded soils—glycolysis can be the main source of energy for cells, How?

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#Question id: 12384

#Unit 7. System Physiology – Animal

To evaluate kidney function in a 45-year-old woman with type II diabetes, you ask her to collect her urine over 24 hours. She collects 3600 ml of urine in that period. The clinical laboratory returns the following results after analyzing the patient’s urine and plasma samples: plasma creatinine = 4 mg/dL, urine creatinine = 32 mg/dL, plasma potassium = 5 mmol/L, and urine potassium = 10 mmol/L.

What is this patient’s approximate GFR, assuming that she collected all her urine in the 24-hour period?

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#Question id: 9183

#Unit 9. Diversity of Life Forms

If you are interested in observing a relatively simple community structure in a clear water lake, you would do well to choose diving into ________.