Can someone tell me how to describe these rocks

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

Which of these parts of the membrane large moecules pass through it ?

Select the correct answer. which statement applies only to the axial skeleton, not the appendicular skeleton? a. it contains a pivot joint. b. it has muscles attached that work in pairs. c. it contains red bone marrow. d. it possesses fossa for bone articulation. e. it protects the heart and lungs.