It's about convenience
Frontiers in Microbiology 17, 1726554 A combination of cry (Cry2Ab) and plant lectin (PTA) genes confers resistance against major sucking and chewing insect pests of cotton S Najeebullah, B Negin, RZ Naqvi, S Asad, Z Mukhtar, G Jander, M Asif Molecular Biology Reports 52 (1), 1-13 ZmPP2C45 and ZmBELL4 suppress maize biochemical defense against insect herbivores S Zhang, M Luo, R Deng, Y Cai, J Qi, C Ma, J Mei, W Li, W Liu, G Wang,
Anything over 1 mL can sting or leave a noticeable subcutaneous bump at the injection site
Cell division is an essential component of numerous functions, but cells have a limited number of divisions in them as telomerase production slows in older age