In the tree below, the given character state character A and B represents;

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#Question id: 28262

#Unit 5. Developmental Biology

sperms are attracted toward eggs of their species by following a gradient of a chemical secreted by the egg this phenomenon is known as____

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#Question id: 30098

#Unit 1. Molecules and their Interaction Relevant to Biology

The following enzymes are involved in the catabolism of AMP to uric acid. The correct order of their use is:

1. A deaminase

2. A nucleoside phosphorylase

3. A nucleotidase

4. Xanthine oxidase

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#Question id: 1623

#Unit 4. Cell Communication and Cell Signaling

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

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#Question id: 32576

#Unit 2. Cellular Organization

Microtubules are generally nucleated from a specific intracellular location known as a microtubule-organizing center where: 

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#Question id: 18887

#Unit 13. Methods in Biology

Drumstick appearance in the microscopy is the distinguishing characteristics of: