A ______ electron microscope provides a three-dimensional view of the surface of an object.

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#Question id: 13147

#Unit 8. Inheritance Biology

A cross was made between pure Blue and long pollen length with white and short pollen length. The F1 were test crossed. The F2 progeny obtained was as follows:

The genetic distance (cM) between flower colour and pollen length is;

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#Question id: 19094

#Unit 4. Cell Communication and Cell Signaling

Hm1‐resistant maize plants produce an

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#Question id: 28243

#Unit 5. Developmental Biology

 which of the following cells exist in a regulatory microenvironment in Drosophila testes where the stem cells for sperm reside

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#Question id: 18881

#Unit 13. Methods in Biology

A compound microscope’s magnification power is independent of 

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#Question id: 30053

#Unit 7. System Physiology – Animal

The second heart sound is produced by: