The process that produces MRNA from DNA is called

The mutation responsible for Huntington's disease is a  

A.  missense mutation. B.  nonsense mutation. C.  frameshift mutation. D.  triplet repeat expansion mutation.

Which of the following lists the structures of the male reproductive tract in the proper order from sperm production to ejaculation?

A. vas deferens, epididymis, seminiferous tubules, ejaculatory duct, urethra B. seminal vesicles, vas deferens, prostate, urethra, ejaculatory duct C. seminiferous tubules, epididymis, vas deferens, ejaculatory duct, urethra D. vas deferens, epididymis, seminal vesicles, ejaculatory duct, urethra E. epididymis, seminiferous tubules, ejaculatory duct, vas deferens, urethra

"Collar cells" perform what function for sponges?

A) produce a body cavity B) help the sponge move through water C) create a current to pull water through pores D) ingest food particles E) anchor the sponge to a base

Answer the following statement(s) true (T) or false (F)

The first seven pairs of ribs are called floating ribs because they have only indirect cartilage attachments to the sternum.