Laminin (925 - 933) 由 9 个氨基酸残基组成，通过肽键依次相连。半胱氨酸的巯基在特定条件下可能参与形成二硫键，影响其空间结构和稳定性。天冬氨酸、脯氨酸、甘氨酸、酪氨酸、异亮氨酸、丝氨酸和精氨酸的侧链基团各具特性，共同决定了该多肽的亲疏水性 ...

Diego Grandi via Shutterstock Sharks might not be as responsible for rare human bites as we assumed. In a study released today, scientists argue that at least some shark bites should be considered ...

Why don’t humans have hair all over their bodies like other animals? – Murilo, age 5, Brazil Have you ever wondered why you don’t have thick hair covering your whole body like a dog ...

The crowned eagle is not the largest raptor on the continent, but it is the most powerful one. This predatory bird weighs between 3 to 5 kilograms, and has a wingspan that can reach over 6 feet ...

April 24, 2025 We checked for new Once Human codes. What are the latest Once Human codes? There are times in all of our gaming lives when we need a little bit of help. Call it a handout ...

Though most robots broke down early on, six managed to finish the race. Breaking News Intern Robots and humans alike competed in a half-marathon in Beijing on Saturday, where 21 robots ran ...

Forbes contributors publish independent expert analyses and insights. I write about education, edtech and higher education.

Bill Gates says artificial intelligence (AI) will ultimately render humans unnecessary “for most things” - and predicts that this will happen very soon. The Microsoft co-founder, who this year ...

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Humans have been producing and drinking alcoholic beverages for around 9,000 years. However, our ancestors — and the ancestors of chimps — developed an enhanced ability to metabolize alcohol ...