. keratin's characteristic toughness and resilience depend on its amino acid composition and sequence and the particular protein folding that results. in particular, the prevalence in keratin of the sulfur -containing amino acid cysteine , with its ability to form strong covalent chemical bonds between...
chinese new year festivities. for day to day situation reports, please follow the links at the end of the article. coronavirus covid- has been identified by chinese scientists. its origin is most likely animal, however human-to-human transmission has been confirmed. the lessons from the sars-cov instruct...
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the animals whose meat we eat to be treated reasonably. for us at tonnies, this means: 100% focus on animal protection for the animals entrusted to us for slaughter. animal protection & slaughter as a market leader, we are responsible for implementing the care of the animals in the best manner possible...
guidelines for americans . a selection of plant-sourced food consumed by humans. the human diet can vary widely. in nutrition , diet is the sum of food consumed by a person or other organism . [ ] the word diet often implies the use of specific intake of nutrition for health or weight-management reasons (with...
strengthened the fact that viruses were simply rogue genetic material. the degraded dna or rna material, not repaired by cellular mechanisms could have evolved to become viruses. though the viruses depend on the host for metabolism and replication, they rapidly infect other cells and spread to different animal...