Which of the following components carries out oxygen cycle and also produces hydrogen per oxide ?

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#Question id: 23788

#Unit 7. System Physiology – Animal

Magno, or M cells and parvo or P cells are which types of cells?

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#Question id: 28608

#Unit 2. Cellular Organization

INK4 is__

a) Protooncogenes

b) Tumour suppressor gene

c) Undergo loss of function causes cancer

d) Undergo gain of function causes cancer

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#Question id: 15836

#Unit 8. Inheritance Biology

You are interested in a new type of autosomal dominant mutation that gives purple eyes in Drosophila. You have a true-breeding purple-eyed line carrying a mutation that you call pr-1. You have isolated a second purple-eyed mutation that you call pr-2, which you have established in a true-breeding line that also carries a recessive marker st, which gives stubby legs. You cross a fly from the pr-1 line to a fly from the st, pr-2 line producing F1 females which you then cross to males from a true breeding st line (normal eyes). From this cross, 1000 progeny flies can be categorized into four different phenotypic classes:

                   

What is the phenotype of a pr-1 pr-2 double mutant?

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#Question id: 5165

#General Aptitude

A 3-digit number 4a3 is added to another 3-digit number 984 to give a 4-digit number 13b7,which is divisible by 11. Then (a+b)=? 

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#Question id: 1803

#Unit 4. Cell Communication and Cell Signaling

What are the main population of human hematopoietic stem cells positive for?