A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?

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#Question id: 19348

#Unit 12. Applied Biology

Nuclear gene rbcs encodes the smaller subunit of

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#Question id: 10366

#Unit 6. System Physiology – Plant

Cyanobacteria can fixes nitrogen in an anaerobic conditions. Which of the following statements about heterocyst which is specialized cell of blue-green algae is incorrect?

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#Question id: 4360

#Unit 3. Fundamental Processes

Which of the following functions are characteristic of general transcription factors in eukaryotes?

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#Question id: 20275

#Unit 7. System Physiology – Animal

Vasopressin has two actions, one on the kidney and the other on vascular smooth muscle, Contraction of vascular smooth muscle are mediated by different receptors, different intracellular mechanisms, and different second messengers,

a. The receptor for ADH on vascular smooth muscle is a V1 receptor

b. The receptor for ADH on the vascular smooth muscle is a V2 receptor

c. The second messenger for this action is IP3/Ca2+ 

d. The second messenger is cAMP.

Which of the above is/are correct? 

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#Question id: 21394

#Unit 12. Applied Biology

Which one of the following catalyze biological reactions?