A(n) ____________________ growth is potentially harmful. Fill in the blank(s) with the appropriate word(s)
ANSWER: malignant
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What is unique about reverse transcripatse that makes it different from other DNA polymerases?
A. It has ligase ability built in so host enzymes are not needed to seal up breaks in DNA made during replication. B. It manufactures a special tRNA molecule that it uses as a primer to initiate replication. C. It is found exclusively in DNA viruses. D. It lacks normal proofreading ability leading to many errors during replication.
Small aquatic organisms that are carried by currents are termed
A. benthic. B. plankton. C. pelagic. D. abyssal.
Atoms or molecules that contain an unpaired electron from a broken covalent bond are known as:
a) Hydroperoxyl ions b) Free radicals c) Hydrogen ions d) Antioxidants
Which of the following is a native protein isolated from bacteria and used to soften cotton fibers in jeans and other clothes?
A) Cellulase B) Amylase C) Chymosin D) Penicillin E) Polymerase