In DNA replication,
A) parental DNA shatters into pieces and joins with newly-synthesized pieces to fashion two double helices from one.
B) parental DNA remains intact but guides formation of new double helices.
C) the parental DNA splits and free nucleotides bond to their complements, building two DNA molecules from one.
D) an entirely new double helix is built using information in the sequence of amino acids.
C) the parental DNA splits and free nucleotides bond to their complements, building two DNA molecules from one.
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Considering the global carbon cycle, where are humans having a great impact?
I) terrestrial ecosystems II) oceans III) atmosphere A) only I B) only II C) only III D) only I and III E) I, II, and III
Organisms traditionally called mushrooms, as well as shelf fungi, coral fungi, bird's nest fungi, stinkhorns, and
puffballs, are all members of which fungal phylum?
a. Glomeromycota b. Basidiomycota c. Chytridiomycota
d. Zygomycota e. Ascomycota
A homozygous milk chocolate Easter bunny is crossed with a homozygous dark chocolate Easter bunny
Assuming dark chocolate is dominant over milk chocolate and the traits segregate according to Mendelian genetics, which traits will the offspring express? A) 3 dark to 1 milk B) 3 milk to 1 dark C) All milk D) All dark
In a microcosm experiment, Chris Steiner and colleagues showed that resilience was positively related to the number of species present, but only in __________-productivity microcosms.
A) low B) high