One of the smallest insects is the fairyfly (actually a wasp), Tinkerbella nana. How small are they?
a. 10 males make up one inch
b. 50 males make up one inch
c. 100 males make up one inch
d. More than 150 males make up one inch
Ans: d. More than 150 males make up one inch
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What is the purpose of ethidium bromide in DNA electrophoresis?
A) To tag DNA fragments so they can be viewed under UV light B) To introduce mutations into the DNA C) To fragment the DNA before separating the pieces by size D) To join fragments of DNA together
Trichonympha is a unicellular flagellated protist that lives within termites and allows the termite to be able to "digest" wood. Trichonympha is classified as
A. a detritovore. B. a heterotroph and autotroph. C. an autotroph. D. a heterotroph and detritovore. E. a heterotroph.
If all the possible three-letter codes were written using only the four DNA nucleotides for letters, there would be a total of _______ combinations possible.
A. 4 B. 20 C. 64 D. 32
DNA may be damaged from the by-products of normal cellular aerobic respiration. Name three of these electrophilic oxidants that are generally classified as reactive oxidants
What will be an ideal response?