In a altruistic behavior occur between nephew and uncle, which of the following value of cost of donor and benefit of recipient respectively allowed to altruism?

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#Question id: 18865

#SCPH01 Biochemistry

The NA value of an oil immersion objective lens is___________.

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#Question id: 38

#SCPH01 Biochemistry

Which of the following is capable of existing as a pair of enantiomers?

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#Question id: 4596

#SCPH06 I Botany

In a hypothetical environment, fishes called pike-cichlids are visual predators of large, adult algae-eating fish (in other words, they locate their prey by sight). The population of algae-eaters experiences predatory pressure from pike-cichlids. Which of the following is least likely to result in the algae-eater population in future generations?

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#Question id: 13102

#SCPH05 I Biotechnology

 With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.

 

 Why is it that having more repeats leads to a band that is higher in the gel?

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#Question id: 366

#SCPH01 Biochemistry

What is the pH of a solution with a hydroxyl ion (OH-) concentration of 10-10 M?