Why is it necessary to chelate the metal ions from solution during the boiling/lysis step at 100 degree celsius?

If vegetable oil is made out of veggies, then what is baby oil made out of?

Suppose you have monohybrid pea plants in your garden and find that they produce round seed to wrinkled seeds in the ratio of 3: 1. if the allele are designated (r & r) receptively. what is the probable genotypes of the round seeds which produced f 1 ? rr & rr rr only rr & rr rr only rr only

Which enzymes break down carbohydrates?