What are similarities and differences between enhancers and promoters in regulating gene transcription?

What are the major differences between cytoplasmic and axonemal dyneins?

Why protein folding usually starts before translation is complete and misfolding of proteins often results in protein aggregation?

What are similarities and differences between retrograde and anterograde transport in neurons?

Why alternative splicing is widespread among multicellular organisms?

What is a biological role of actin in the cells of higher plants?

Illustrate your answer with one-two examples.