It is responsible for different functions within the body, but is mostly known for its association with maintaining the resting membrane potential of neuronal cells. With the cost of one ATP, it transports three sodium ions out of the cell and two potassium ions into the cell....
The main difference between active and passive transport is the use of energy during cell transport of materials. Active transport uses energy and passive transport does not. In active transport, molecules are moving against a concentration gradient (or membrane), meaning the cell moves materials fro...
The mechanism that occurs in the cells which utilize the chemical energy to transport the molecules across the cell membrane against the concentration gradient is called active transport. Bulk transport is a type of active transport that involves exocytosis and endocytosis....
B. Luminal and peritubular steps in renal transport of p-aminohippurate. Biochim. Biophys. Acta 906, 295–308 (1987). CAS PubMed Google Scholar Nigam, S. K. et al. The organic anion transporter (OAT) family: A systems biology perspective. Physiol. Rev. (in the press). Ahn, S. Y...
Active transportDiffusionFick’s lawFokker–Planck equationLckLocalization precisionSingle molecule microscopySingle molecule trackingIt would be the dream of many experimental scientists in cell biology to be able to follow the life of a protein molecule over time, to watch its encounters with other ...
In that sense, Earth is probably unique. Although we may detect some life elsewhere, it will necessarily be completely different.从这个意义上说，地球可能是独一无二的。虽然我们可能会在其他地方发现一些生命，但那肯定是完全不同的。It was this mind-blowing series of improbable events that made Earth...
Aquaponics can also be an exciting and educational project for schools, particularly science and biology classrooms. It offers a hands-on experience that demonstrates the principles of biology, ecology, and sustainability in a fun and engaging way. Students can learn about the nitrogen cycle, the ...
Science instruction can be found at all evels of public education with most secondary schools offering classes or biology, physics, and chemistry. 53) If anything, social media has shown that the public craves knowledge based on a solid scientific foundation. Even the public discourse that ...
Modelling ‘entire signal transduction pathways’ (v) is often possible on a local basis for individual signal transduction cascades, but the full impact of these pathways on disease biology is still often difficult to ascertain, in particular as a result of pathway crosstalk. Bringing out CADD ...
The mechanism of memory remains one of the great unsolved problems of biology. Grappling with the question more than a hundred years ago, the German zoologist Richard Semon formulated the concept of the engram, lasting connections in the brain that result from simultaneous “excitations”, whose pr...