The enzyme responsible for separating the DNA strands during DNA replication is (topoisomerase/primase/helicase)
What will be an ideal response?
helicase
Bloom's Taxonomy: Comprehension
Section: The Structure and Replication of Genomes
Learning Outcome: 7.7
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The fifth, most recent, and still evolving phase in the 200+-year history of our current technology system is characterized by ________ energy/power
A) solar B) nuclear C) coal D) oil and gas E) water
The primary effect of increased PO2 in the lungs is to cause ________ which ________ the ventilation-perfusion ratio back to a normal level.
A) vasoconstriction : increases B) vasodilation : decreases C) vasoconstriction : decreases D) bronchoconstriction : decreases E) bronchodilation : increases
Which of the following particles are retained by clay soil and exchanged for hydrogen ions when plants take them up?
A. calcium & potassium B. calcium & copper C. iron & boron D. calcium & ammonium E. sodium & sulphur
The figure below shows a case where the death of a haploid individual adds an addi-tional turn to Muller's ratchet. Could the ratchet be reset if all dark grey organisms died?
What will be an ideal response?