One of the greatest enigmas of evolutionary biology is that while sex is the dominant mode of reproduction among multicellular organisms, asexual reproduction appears much more efficient and less costly. However, in a study ...
Evolution
Jun 6, 2019
2
358
Our genetic code is stored in chromosomes that are composed of DNA (deoxyribonucleic acid). To make sure the genetic code is maintained accurately in all the cells, our cells must replicate precisely and distribute its chromosomes ...
Cell & Microbiology
May 22, 2019
0
107
Although much of the human genome has been sequenced and assembled, scientists have hit roadblocks trying to map unassembled regions of DNA that consist mostly of repetitive sequences, including the centromere.
Molecular & Computational biology
May 14, 2019
1
73
An international team based in Ghent, Belgium (VIB-UGent Center for Plant Systems Biology) and Basel, Switzerland (University of Basel), found a link between a class of enzymes and immune signals that is rapidly triggered ...
Plants & Animals
Mar 21, 2019
0
8
Researchers in Japan think they have found an answer to the fundamental biological question of how individual cells know which way to position themselves within a complex, multicellular body. Depending on a cell's purpose ...
Plants & Animals
Feb 21, 2019
0
28
To a great extent, living organisms control the flows of matter and energy through the planet, and the study of their interactions is the goal of ecology. While the roles or functions of multicellular organisms, such as trees ...
Ecology
Feb 11, 2019
0
8
An international multi-disciplinary team coordinated by Abderrazak El Albani at the Institut de chimie des milieux et matériaux de Poitiers (CNRS/Université de Poitiers) has uncovered the oldest fossilised traces of motility. ...
Earth Sciences
Feb 11, 2019
5
475
University of Nebraska-Lincoln researchers have found revolutionary evidence that an evolutionary phenomenon at work in complex organisms is at play in their single-celled counterparts, too.
Evolution
Dec 3, 2018
3
290
Scientists have developed a mathematical model showing that two types of cellular asymmetry, or 'polarity', govern the shaping of cells into sheets and tubes, according to an article in eLife.
Cell & Microbiology
Nov 27, 2018
0
36
Pioneering research has given a fascinating fresh insight into how animal nervous systems evolved from simple structures to become the complex network transmitting signals between different parts of the body.
Biochemistry
Oct 18, 2018
5
22
