Which of the following is not an example of a microtubule-organizing center (MTOC)?

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#Question id: 28280

#Unit 5. Developmental Biology

 Species specific recognition of sea urchin gametes can occur at the various level such as____ 

a) sperm attraction 

b) sperm activation

c) the acrosome reaction

d) sperm adhesion

e) Cortical Granules reaction

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#Question id: 1757

#Unit 4. Cell Communication and Cell Signaling

What is the first event following the production of CH germline transcripts by immunoglobulin genes?

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#Question id: 19866

#Unit 13. Methods in Biology

Which of the following variants of PCR has been devised to increase the specificity of PCR without lowering the efficiency by variation annealing temperature?

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#Question id: 31222

#Unit 4. Cell Communication and Cell Signaling

Bak and Bax oligomerize and form pores and holes in the outer mitochondrial membrane. These holes allow cytochrome c to enter the cytosol, where it binds to the adapter protein called as: 

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#Question id: 5429

#Unit 8. Inheritance Biology

Assume that three loci, each with two alleles (A and a, B and b, C and c), determine the differences in height between two homozygous strains of a plant. These genes are additive and equal in their effects on plant height. One strain (aabbcc) is 10 cm in height. The other strain (AABBCC) is 22 cm in height. The two strains are crossed, and the resulting F1 are interbred to produce 1000 F2 progeny. what is number of F2 progeny having intermediate height?