Modern biology textbooks assert that only bacteria can take nitrogen from the atmosphere and convert it into a form that is usable for life. Plants that fix nitrogen, such as legumes, do so by harboring symbiotic bacteria ...
Cell & Microbiology
Apr 11, 2024
0
3721
Cells contain various specialized structures—such as the nucleus, mitochondria or peroxisomes—known as "organelles." Tracing their genesis and determining their structure is fundamental to understanding cell function ...
Cell & Microbiology
Apr 10, 2024
0
124
Toxoplasmosis is an infectious disease found worldwide, caused by the single-celled parasite Toxoplasma gondii. In humans, infection poses a particular risk to pregnant women, as it can lead to birth defects. Like the closely ...
Evolution
Feb 16, 2024
0
71
Just as healthy organs are vital to our well-being, healthy organelles are vital to the proper functioning of the cell. These subcellular structures carry out specific jobs within the cell; for example, mitochondria power ...
Cell & Microbiology
Jan 1, 2024
0
121
Researchers from Telethon Kids Institute and The University of Western Australia have developed a new technique to see inside cells with unprecedented detail, revealing a complicated web of interactions that provides new ...
Cell & Microbiology
Dec 21, 2023
0
23
Two studies by scientists at the University of Chicago have demonstrated a new way to look into the inner workings of cells—in particular, to track the flow of ions inside the many tiny organelles inside the cell.
Cell & Microbiology
Oct 5, 2023
0
12
Every system has its waste disposal system. The cell organelles known as "peroxisomes" dispose of toxic substances and fats in the human body, among other things, and, in doing so, they prevent serious illnesses. The "Pex" ...
Biotechnology
Sep 26, 2023
0
7
Scientists at the Department of Genetics, Blavatnik Institute at Harvard Medical School have discovered something remarkable while studying phosphate transport in fruit fly intestines—a never before seen organelle. Their ...
Eukaryotic cells—the ones that make up most life as we know it, including all animals, plants and fungi—are highly structured objects.
General Physics
Jan 6, 2023
0
744
Modern eukaryotic cells contain numerous organelles, which once used to be independent bacteria. In order to understand how these bacteria were integrated into the cells in the course of evolution and how they are controlled, ...
Evolution
Dec 7, 2022
0
63
