What is an onionskin marble?

What is an onionskin marble? Onionskins will sometimes be found as “left twist” marbles, meaning a counterclockwise twist to the marble when viewed from the pontil. Left twist Onionskins are found more commonly than any other types of German handmade marbles for
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What is protein structure and function?

What is protein structure and function? Proteins are built as chains of amino acids, which then fold into unique three-dimensional shapes. Bonding within protein molecules helps stabilize their structure, and the final folded forms of proteins are well-adapted for their functions. What
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Can I plant tomatoes in the summer?

Can I plant tomatoes in the summer? Tomatoes only set fruit when temperatures are below 90 degrees, so your late-season plants will wait for fall. When planting tomatoes in July, start them from transplants. Transplants are harder to find mid-summer than in
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