Platypi (plural of platypus) belong to which subgroup of mammals?

Which of the following sequences represents levels biological organization ordered from the most complex level to the least complex level?

What do we mean when we refer to mRNA processing?

What is the temperature range for steam sterilizers?  

What is the common life span of an implant in a patient? 

What biological indicator is used to monitor the steam sterilization process?

Where is the coolest place in the steam sterilizer? 

What is the least expensive, most efficent, and safest method of processing heat and moisture-stable instruments?  

What organization establishes the permissible exposure levels for low temperature sterilization methods? 

Who determines the process for cleaning and sterilizing an instrument?