One day before ovulation, human oocytes begin to divide into what will become mature eggs. Ideally, eggs are packaged with a complete set of 23 chromosomes, but the process is prone to error, especially with age. In a Review ...
Cell & Microbiology
Oct 20, 2016
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(PhysOrg.com) -- University of Washington (UW) researchers are helping to write the operating manual for the nano-scale machine that separates chromosomes before cell division. The apparatus is called a spindle because it ...
Cell & Microbiology
Mar 6, 2009
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Human eggs often contain the wrong number of chromosomes, leading to miscarriages and infertility. A research team led by Melina Schuh at the Max Planck Institute (MPI) for Multidisciplinary Sciences has discovered that human ...
Cell & Microbiology
Feb 11, 2022
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66
Humans have been making fire using friction for thousands of years, with evidence of its use found in archaeological records across different cultures worldwide.
General Physics
Dec 14, 2023
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48
Cell division is an intricately choreographed ballet of proteins and molecules that divide the cell. During mitosis, microtubule-organizing centers (MTOCs) assemble the spindle fibers that separate the copying chromosomes ...
Cell & Microbiology
Feb 18, 2018
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Every high school biology class learns about the tiny cells that comprise our bodies, as well as about many of the diverse actions that they perform. One of these actions is called mitosis, the series of steps through which ...
Cell & Microbiology
Sep 17, 2015
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