Which of the following is true of eukaryotic replication initiation?
A. Origins are identified in G2 of the cell cycle.
B. The prereplication complex (preRC) assembles at the beginning of S phase.
C. The initiator protein, or origin recognition complex (ORC), binds to the conserved elements of the ARS in G1.
D. The helicase is a component of the replication complex (RC) but not the preRC.
E. The RC forms in M phase of the cell cycle.
C
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Bacterial symbionts most often provide marine invertebrates with
A) fixed nitrogen in the form of ammonia. B) essential amino acids missing from the animal's diet. C) cellulolytic enzymes to help digest plant material. D) fixed carbon dioxide in the form of organic compounds.
The majority of DNA in a cell that has undergone differentiation is _____
a. transcribed b. translated c. turned off d. mutated e. hydrolyzed
When blood pressure falls below normal, the condition referred to as ________ results
Fill in the blank(s) with correct word
In which environmental conditions can you find microorganisms?
A) low oxygen B) high temperature C) high salt content D) high pressure E) all of these