Which of these is a copy of dna that is used to direct the synthesis of a specific protein?
a. mrna
b. rrna
c. trna
d. ribosome?

Asap what occurs after cytokinesis is completed at the end of meiosis 1?

Which beat describes the brain stem

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules