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

Biology & Microbiology

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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

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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

Biology & Microbiology

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

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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?

Biology & Microbiology