Which of the following is a complement component that is strongly chemotactic for neutrophils?

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#Question id: 3686

#Unit 3. Fundamental Processes

The short strand of ........ primer is required for the replication of DNA:

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#Question id: 34155

#Unit 7. System Physiology – Animal

Norepinephrine is formed by: 

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#Question id: 26796

#Unit 8. Inheritance Biology

50 meiocyte has 5% recombinant frequency in their gametes A and B, then how many meiocyte undergo  single crossing over 

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#Question id: 28436

#Unit 5. Developmental Biology

Primitive Groove is____

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#Question id: 15832

#Unit 8. Inheritance Biology

Your friends Ben and Jane are contemplating having children and seek your genetic counsel. Ben and Jane are unrelated, but both have younger brothers with the same, extremely rare genetic trait. (In fact, Ben and Jane met at a support group meeting for children and families of children with this rare disorder.) Ben’s parents and Jane’s parents are all unaffected.        

 Assume that the trait is autosomal dominant with 80% penetrance in heterozygotes and 100% penetrance in homozygotes. What is the probability that Ben and Jane’s first child will be affected?