What kind of RNA could have the same effect as the methylation? O A. rRNA
B. tRNA
O C. mRNA
D. siRNA

What must happen before meiosis can begin? a. four gametes must be produced b. the four tetrads must be pulled apart c. dna doubles and produces sister chromatids d. the cell membrane pinches together

Why do we perceive objects as retaining their brightness under different lighting levels?

The function of the excretory system is to control homeostasis and