Which of the following have little value as antiseptics, but are used to mechanically remove microbes?
A. biguanides
B. quats
C. chlorines
D. soaps
Ans: D. soaps
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Which histone protein is not part of the core nucleosome structure?
A) H1 B) H2A C) H2B D) H3 E) H4
Primase is the enzyme responsible for:a
unwinding the DNA double strand to allow DNA polymerase access to the template DNA. b. introducing nicks into the DNA double strand in order to prevent the formation of knots. c. hydrolyzing ATP to facilitate DNA unwinding. d. making short strands of RNA at the site of replication initiation. e. forming a replication fork in the DNA double helix.
List two reasons illustrating why slime moulds are so mind-blowingly cool
What will be an ideal response?
As the global concentration of carbon dioxide increases, there is great potential for direct impact on the world's
A. climate. B. biogeochemistry. C. ozone layer. D. biodiversity.