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Wikimedia list article

en.wikipedia.org
6 min read
fairly difficult
Article URL: https://en.wikipedia.org/wiki/List_of_unsolved_problems_in_biology Comments URL: https://news.ycombinator.com/item?id=23901604 Points: 1 # Comments: 0
Wikipedia list article

This article lists notable unsolved problems in biology.

General biology [ edit ]

Evolution and origins of life [ edit ]

Origin of life. Exactly how and when did life on Earth originate? Which, if any, of the many hypotheses is correct? What were the metabolic pathways used by the earliest life forms? Origins of viruses. Exactly how and when did different groups of viruses originate? Extraterrestrial life. Might life which does not originate from planet Earth also have developed on other planets? Might this life be intelligent? What are the chemical origins of life ? How did non-living chemical compounds generate self-replicating, complex life forms?

Exactly how and when did life on Earth originate? Which, if any, of the many hypotheses is correct? What were the metabolic pathways used by the earliest life forms? Evolution of sex. What selective advantages drove the development of sexual reproduction, and how did it develop? [1] Homosexuality. What is the cause of homosexuality, especially in the human species?

What selective advantages drove the development of sexual reproduction, and how did it develop? Development and evolution of brain. How and why did the brain evolve? What are the molecular determinants of individual brain development?

How and why did the brain evolve? What are the molecular determinants of individual brain development? Origin of Eukaryotes and Mitochondrial Migration How and why did the mitochondria enter the Eukaryotic Cell? Was this a biological miracle or was there some underlying cause that made the mitochondria likely to enter? How did the mitochondria's mitosis cycle come in sync with its host cell? Did the mitochondria or the nucleus develop first in eukaryotes? When exactly did these structures develop?

Last Universal Common Ancestor What were the characteristics of the Last Universal Common Ancestor of Archaea, Bacteria, and Eukaryotes? Did Archaea and Eukaryotes evolve out of the domain Bacteria or…
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