If this evolutionary tree is an accurate depiction of relatedness, then which of the following should be correct?

1. The entire tree is based on maximum parsimony.

2. If all species depicted here make up a taxon, this taxon is monophyletic.

3. The last common ancestor of species B and C occurred more recently than the last common ancestor of species D and E.

4. Species A is the direct ancestor of both species B and species C.

5. The species present at position 3 is ancestral to C, D, and E

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#Question id: 10930

#Unit 7. System Physiology – Animal

A 34-year-old man with schizophrenia has had chronic fatigue for 6 months. He has a good appetite, but has refused to eat vegetables for 1 year because he hears voices saying that vegetables are poisoned. His physical and neurological examinations are normal. His hemoglobin level is 9.1 g/dL, leukocyte count is 10,000/μl3, and MCV is 122. Which of the following is the most likely diagnosis?

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#Question id: 12371

#Unit 10. Ecological Principles

Succession results from disturbance by fire.

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#Question id: 3284

#Unit 11. Evolution and Behavior

The fitness of three genotype are A1A1 < A1A2 = A2A2) Which of the following observation correct?

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#Question id: 15977

#Unit 12. Applied Biology

Embryo grows well in which pH range?

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#Question id: 652

#Unit 1. Molecules and their Interaction Relevant to Biology

Two proteins, X and Y, bind to the same ligand, A, with the binding curves shown below. Which of the statement is correct for the graph analysing two proteins?