Very early in embryonic development, testosterone is formed within the male embryo. What is the function of this hormone at this stage of development?

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#Question id: 8926

#Unit 9. Diversity of Life Forms

Sponges and cnidarians are among the fossilized animals found in both the Ediacara Hills and the Burgess Shale from the Rocky Mountains of British Colombia. This observation requires that

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#Question id: 835

#Unit 1. Molecules and their Interaction Relevant to Biology

The minor clefts and gullies on the sides of the funnel that will be false energy minima, it represents,

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#Question id: 12617

#Unit 10. Ecological Principles

In 2005, a country had a population of approximately 295,000,000 people. If the birth rate was 13 births for every 1,000 people, approximately how many births occurred in the United States in 2005? 

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#Question id: 5346

#Unit 8. Inheritance Biology

The following typical pedigree illustrates the key point that affected children are born to unaffected parents: Which of the following is correct statement?

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#Question id: 23212

#Unit 13. Methods in Biology

Below are given few examples of microscopy.

1. Scanning electron microscope

2. Transmission electron microscope

3. Cryoelectron microscope

4. Phase-contrast microscope

Out of the following which microscope can be used in unstained live cell imaging?