Respiration is a chemical process that takes place in cells to release energy ... The alveoli are adapted to make gas exchange in lungs happen easily and efficiently. Here are some features ...

The cells in the body need oxygen to release energy ... These three features are particularly important to our lungs for efficient gas exchange. Most of them also apply to other exchange surfaces ...

Here's what happens in the fuel cell: When hydrogen gas pumped from the fuel tanks ... pass through the membrane (hence the name "proton-exchange"). The electrons are forced to go around the ...

Gas exchange between the plant and the atmosphere takes place through the stomata, which consist in two bean-shaped guard cells surrounding a pore. (a) Malate and Cl − efflux from the guard ...

This is the basis for the opening and closing of a stoma, known as stomatal movement, which controls gas exchange necessary for photosynthesis and limits water loss. How do guard cells change ...

Many people do have access to natural gas or propane tanks at their houses, however, so it is likely that these fuels will be used to power future home fuel cells. Methanol, a liquid fuel ...

【第2集】BBC.The.Cell- 细胞 - 科普类型纪录片(1)（中） 译 ...

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The original version of this story appeared in Quanta Magazine. For a molecule of RNA, the world is a dangerous place. Unlike DNA, which can persist for millions of years in its remarkably stable ...

There are two basic approaches to using hydrogen in vehicles: the proton exchange membrane (PEM, also called polymer electrolyte membrane) fuel cell and ... or greenhouse gas emissions ...

Cell-cultured meat company SCiFi Foods published a LinkedIn article in response. “Immortalized cells,” they explain, is not a scientific term but a shorthand to refer to “cells that can keep ...

Savara Inc. (Nasdaq: SVRA) (the Company), a clinical stage biopharmaceutical company focused on rare respiratory diseases, ...