Ask them to consider what sort of substances are in a high concentration inside the cell compared with outside ... What sort of molecules will a plant need to take in against a concentration ...

Extension: Where does aerobic respiration occur? Show electron microscope images of mitochondria in a cell. Compare the number of mitochondria in muscle and skin cells. Why are there so many in ...

Mar. 21, 2025 — Aging compromises the lymphatic vessels surrounding the brain, disabling waste drainage from the brain and impacting cognitive function. Researchers boosted lymphatic vessel ...

Understanding the genetic basis of valuable crop wild relatives (CWRs) could enable their use in expanding crop diversity and enhancing production. The first reference genome for Hordeum I-genome ...

Cell growth usually refers to cell proliferation, the increase in cell numbers that occurs through repeated cell division. Cell growth can also refer to the enlargement of cell volume, which can ...

How the COVID-19 pandemic is forging pharmaceutical brands into better shape. Day by day it becomes clearer that some brands are coming through the pandemic in better shape than ever. These are ...