Which step happens first in translation apex

The ribosome reaches the start codon

Explanation:

a P E x

Some reasons why .
*Air flow is being restricted between the furnace to the registers.
*Ductwork is not the right size or hasn't been sealed properly.
*Your furnace or air conditioning system isn't the right size for your home.
*Thermostat is only reading the temperature of the floor that is being heated/cooled.