What is the function of mRNA? •To transmit the code for making proteins from DNA to the site of protein
synthesis
•to make tRNA
•to carry the information necessary to make a protein from the nucleus to the
ribosome
•both A and C

This is what i found on google “phytoplankton, tiny organisms that live in the ocean, are autotrophs. some types of bacteria are autotrophs. most autotrophs use a process called photosynthesis to make their food.” i hope this you for what your looking for

The answer to this will be from your lab notes/procedure. it would be best to ask another student who participated in the lab as we do not know what was done, what enzyme or if the temperature is celsius or fahrenheit. if i were to guess though i'd say the rate stopped due to enzyme denturing at high temperature