Translation starts when a ribosome (the purple structure on the SIMULATION pane) binds to a strand of mRNA. Transfer RNA, or tRNA, begins bringing amino acids into the ribosome. Each tRNA molecule carries only one kind of amino acid. This amino acid is determined by the tRNA anticodon, a set of three unpaired bases.

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

In which part of the body is a ball-and-socket joint found?

Light sensitivity in euglena is provided by the