Which of the following separates the DNA strands during replication?
A) helicase
B) DNA polymerase II
C) ligase
D) DNA polymerase I
E) primase
Ans: A) helicase
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A substance produced by brown algae that is used as an emulsifying and thickening agent in many foods and other products is
A. red ooze. B. carrageenan. C. gelatin. D. agar. E. algin.
The overall function of meiosis includes all of the following EXCEPT
A. gamete production B. reduction of chromosome number (from 2N to N) C. providing genetic variation in sexually reproducing organisms D. growth of the overall individual
One way to measure the antibody levels in the blood is by (neutralization/titration/turbidimetry) using agglutination tests.
Fill in the blank(s) with the appropriate word(s).
What are concerns regarding glove use? (Choose all that apply)
> Gloves can rip > Some people are allergic to nitrile > Gloves are flammable and can melt > Contamination that gets on gloves can be transferred to other surfaces, people, pens, pencils, microscopes, etc. > Some people are allergic to latex > Tight fitting gloves can restrict circulation