Connections Hint Today Mon, Apr 21 #718

Need help with Connections puzzle #718 on Mon, Apr 21? Get your daily connections hint today! Find the hidden links between these 16 words: FAT, IRON, PROTEIN, SODIUM, BOMBSHELL, CURVEBALL, TWIST, WRENCH, CELL, COLUMN, ROW, SHEET, CORKSCREW, DNA, FUSILLI, SPRING