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The structure of proteins

The structure and arrangement of polypeptide chains affects the spatial structure of proteins.

Ķīmija

Atslēgvārdi

proteīns, olbaltumvielu molekula, primārā struktūra, sekundārā struktūra, terciārā struktūra, kvartāra struktūra, aminoskābju secība, alfa helix, beta lapa, aminoskābe, polipeptīds, peptīda saite, amīda saite, apakšvienība, ķīmija, Bioloģija, bioķīmija

Saistītie vienumi

Enzymes

Enzymes are protein molecules catalysing biochemical reactions. Their activity can be regulated.

Spider silk, spider web

While the density of spider silk is less than that of nylon filaments, its tensile strength is greater than that of steel.

Transport processes

This animation explains active and passive transport processes occurring through cell membranes

Organisation of genetic material

Eukaryotic cells with nuclei measuring only a few micrometres may contain nearly 2 metres of DNA, coiled multiple times.

Viruses

Viruses consist of protein and DNA or RNA; they reprogram infected cells to produce more viruses.

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