What provides instructions to cells in forming an organ?

Which codon is the code for the amino acid histidine (his)?

Imagine a rocket launching from earth and travelling to the moon. in which order would the rocket pass through the layers of the atmosphere? thermosphere, mesosphere, stratosphere, troposphere troposphere, mesosphere, stratosphere, troposphere thermosphere, stratosphere, mesosphere, troposphere troposphere, stratosphere, mesosphere, thermosphere

In meiosis ii during anaphase ii which structures separated homologous chromosomes or sister chromatids