In immature animals, the growth plate consists of ________________________________________
Fill in the blank(s) with correct word
cartilage
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Synthesis of mRNA is:
in the 5' to 3' direction with new nucleotides being added to the 5' end of the mRNA molecule. in the 3' to 5' direction with new nucleotides being added to the 5' end of the mRNA molecule. in the 5' to 3' direction with new nucleotides being added to the 3' end of the mRNA molecule. in the 3' to 5' direction with new nucleotides being added to the 3' end of the mRNA molecule. able to proceed either from the 5' to 3' or 3' to 5' direction.
Contraction of the ________ muscles will elevate the ribs and move the sternum.
Fill in the blank(s) with the appropriate word(s).
The pseudostratified columnar epithelium of the bronchi in smokers may transform into stratified squamous epithelium. This is an example of ________.
A. neoplasia B. hyperplasia C. atrophy D. metaplasia E. differentiation
Messenger RNA
A. is synthesized when a portion of a DNA molecule is transcribed. B. directs the synthesis of DNA. C. is not involved in the synthesis of proteins. D. determines the sequence of nucleotides in the anticodons of tRNA. E. directs the synthesis of centrioles in the cytoplasm.