If a patient has a creatinine clearance of 90 ml/min, a urine flow rate of 1 ml/min, a plasma K+ concentration of 4 mEq/L, and a urine K+ concentration of 60 mEq/L, what is the approximate rate of K+ excretion?

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#Question id: 23214

#Unit 13. Methods in Biology

Which type of interaction forces are involved in atomic force microscope?

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#Question id: 28216

#Unit 5. Developmental Biology

The cell retain stem cell niche and maintained their proliferative properties is referred to as___

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#Question id: 18804

#Unit 13. Methods in Biology

Non toxic labelling can be done by using

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#Question id: 19025

#Unit 8. Inheritance Biology

Consider the ABO “blood type” gene. This single gene has three alleles called A, B, and O. There are four resultant “blood types” (phenotypic classes), as follows: C

                         

Assume Hardy-Weinberg equilibrium,  the frequencies of the A and B alleles are 0.26 and 0.07, respectively. You now examine the ABO blood types in a new population. You observe that the A, B, and O blood types all have equal frequencies in this population. What are the frequencies of the A and O alleles in this population?

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#Question id: 3796

#Unit 3. Fundamental Processes

Incorrect pairing of bases during bacterial DNA replication occurs about once every 10^5 to 10^6 nucleotides, but the spontaneous mutation rate is only one error in 10^9 base pairs. What accounts for the difference?