• ¿Por qué los médicos utilizan ultrasonidos para detectar problemas de salud en los tejidos blandos del organismo y utilizan los Rayos X para los problemas de huesos?

regulation of gene expression. gene expression can be regulated by various cellular processes with the aim to control the amount and nature of the expressed genes. these regulatory proteins bind to dna and send signals that indirectly control the rate of gene expression

explanation:

fossil's are like over rated rocks like low key not gonna lie i don't get why we can't just call them old rocks like for real i mean i call my grandpa and grandma that smh