As the first steps in creating recombinant DNA molecules were taking place, scientists immediately realized that
modifying the genetic information in ____________________, a bacterium from the human gut, could be potentially
dangerous. Fill in the blank(s) with the appropriate word(s).
Escherichia coli
E. coli
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Which statement is true of all protists?
a. They exhibit true multicellularity. b. They are encased in silica-based shells. c. They contain complex organelles and nuclei. d. They live in large colonies of identical protists.
Which of the following describes most
accurately the process of DNA cloning?
a. set of laboratory procedures that consist of cutting a segment of DNA with restriction enzymes b. set of laboratory procedures that consist of isolation of a DNA fragment from a living organism and insertion of it into a plasmid c. set of laboratory procedures that uses living cells to make many identical copies of a DNA fragment d. set of laboratory procedures by which a DNA fragment is transferred from a living organism to a SNP chip e. the manipulation of DNA fragments in a laboratory using modern techniques of molecular biology
A —CH3 group is a(n) __________ group
a. carboxyl b. hydroxyl c. amino d. methyl e. carbonyl
Lichens are most typically formed by the symbiotic association of an alga or cyanobacterium and a(n):
a. zygomycete. b. ascomycete. c. basidiomycete. d. glomeromycete.
e. chytridiomycete.