What are the two types of ribonucleases?

What will be an ideal response?


Ans: Endoribonucleases cleave RNA molecules at internal phosphodiester bonds and may recognize specific sequences. Exoribonucleases remove nucleotides from the termini of RNA molecules and are unidirectional, either 5? to 3? or 3? to 5?.

Biology & Microbiology

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The ____ hormones are vital to growth, development, maturation, and metabolism in all vertebrates

a. thyroid b. parathyroid c. adrenal d. gonadal

e. insulin

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The strand of DNA for a particular gene that is copied by the RNA polymerase to form mRNA is called the ________ strand.

A. copy B. transcription C. template D. leading

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The estimated number of pounds of fish or shellfish that a stock can yield in a year is called: a. gross yield

b. sustainable yield. c. net yield. d. potential yield.

Biology & Microbiology

Over 90% of the worldwide deaths from malaria in 2011 occurred in:

a. Africa b. India c. Mexico d. Southeast Asia e. South America

Biology & Microbiology