Plants droop and shed their leaves when parched, but with a splash of water, their stems regain strength and their leaves ...

This influx of calcium at the contact site attracts and activates a kinase called CaMKII, a protein known to be important in ...

The diagram below shows the same plant cell, as viewed with the light microscope, and with the transmission electron microscope. Animal and ... Cell membrane Allows gases and water to diffuse ...

The fatty membrane surrounding every living cell is a vibrant environment where countless biological processes take place. This membrane protects the cell from its surroundings and divides it into ...

Membrane proteins are proteins found in cell membranes, either at the surface or on intracellular organelles. Integral membrane proteins such as receptors and ion channels span the membrane.

Feb. 4, 2025 — Research has shown that a potential new targeted therapy for childhood brain cancer is effective in infiltrating and killing tumor cells in preclinical models tested in mice.

Cold Waves in the Rainforest: What They Mean for Wild Animals Jan. 30, 2025 — It's not always cozy and warm in the Amazon rainforest: Cold waves can cause temperatures to drop drastically.

Many cells in multicellular organisms are specialised. They have specific roles in the organism of which they are part. Their structure is adapted to their function. They are often grouped ...

Learn all you wanted to know about animals with pictures, videos, facts, news, and more. Composite photograph by Joel Sartore, National Geographic Photo Ark Amphibians ...

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