CROUSILLAC QUESTIONS AND
ANSWERS (GRADED A)
Who introduced the double-helical model for the structure of DNA? - ANSWER-James
Watson & Francis Crick
Hereditary information is encoded in ________ and reproduced in all cells of the body -
ANSWER-DNA
Directs the development of biochemical, anatomical, physiological, and (to some extent)
behavioral traits - ANSWER-DNA Program
Predicts that when a double helix replicates, each daughter molecule will have one old
strand and one newly made strand - ANSWER-Semiconservative Model of Replication
Who developed the Semiconservative Model of Replication? - ANSWER-Watson &
Crick
Where does replication of DNA begin at? - ANSWER-Origins of Replication
Where the two DNA strands are separated, opening up a replication "bubble" -
ANSWER-Origins of Replication
What direction does DNA replication proceed in? - ANSWER-Both
When does DNA replication finish? - ANSWER-When the entire molecule is copied
What enzyme adds the initial nucleotide strand (the short RNA primer)? - ANSWER-
Primase
What double helix structure complicates replication? - ANSWER-Antiparallel
Two strands oriented in opposite directons - ANSWER-Antiparallel Double Helix
What strand are the helicase and the polymerase moving in the same direction? -
ANSWER-Leading Strand
What strand are the helicase and the polymerase moving in opposite directions? -
ANSWER-Lagging Strand
What type of strand do complications occur at? - ANSWER-Lagging Strand