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What does the endosymbiont hypothesis propose?

The endosymbiont hypothesis suggests that eukaryotic cells evolved from a symbiotic relationship between different types of prokaryotic cells. This hypothesis explains the presence of organelles such as mitochondria and chloroplasts in eukaryotic cells, which are thought to have originated from ancient prokaryotic cells that were engulfed by a host cell but not digested.


Eukaryotic cells acquired mitochondria and chloroplasts by?

engulfing prokaryotic cells through a process called endosymbiosis. Over time, these prokaryotic cells formed a mutualistic relationship with the host cell, eventually evolving into the mitochondria and chloroplasts found in eukaryotic cells today.


What is an acquired brain injury?

An acquired brain injury refers to any damage to the brain that occurs after birth, due to factors such as traumatic injury, stroke, infection, or substance abuse. It can lead to a range of physical, cognitive, emotional, and behavioral impairments, depending on the severity and location of the injury. Treatment and rehabilitation are often necessary to address the challenges associated with acquired brain injuries.


How acquired traits affect evolution?

Acquired traits cannot be passed on to offspring through genetic inheritance, so they do not directly affect evolution. Evolution occurs through changes in the genetic composition of a population over generations, primarily driven by natural selection acting on inherited traits. Evolution is influenced by genetic variations that arise through mutation and recombination, not by acquired traits acquired during an individual's lifetime.


What happened to Kriya Systems?

Kriya Systems morphed into HealthScribe, and medical transcription service. HealthScribe was acquired by Sphris, which was in turn acquired by Medquist.