Eukaryotic mrna molecules may contain non-coding sequences that must be removed before translation. these are called a. anticodons. b. introns. c. exons. d. nucleosomes. e. noncodons

What maintain homeostasis when a persons internal body temperature is 97.5°f

What element is able to combine with itself and hydrogen to form large molecules ?

Which of the following describes how binary fission and mitosis are similar? a)they are both used for growth or repair b)they both break down membrane-bound nuclei c)both invoke the replication of a single stand of dna d)both replicate genetic material