Which of the following is true of the two daughter strands of DNA?
A) They are both synthesized continuously.
B) They are both synthesized discontinuously.
C) The lagging strand is synthesizes continuously, but the leading strand is synthesized discontinuously.
D) The leading strand is synthesizes continuously, but the lagging strand is synthesized discontinuously.
D
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In the late nineteenth century, steel mills were built around all of the following except which one?
A) Detroit B) Cleveland C) Youngstown D) Toledo E) Atlanta
An asymmetrical hill of exposed bedrock produced by plucking and abrasion is known as a(n)
a. roche moutonnée. b. bergschrund. c. esker. d. drumlin. e. arêtes
Light is an electromagnetic wave, meaning an electric field and magnetic field travel together, oscillating at specific frequency. All metals are electrical conductors and all metals are also opaque to light
Why might this be, knowing the nature of light waves? A) The metal atoms absorb the light into their nucleus. B) The magnetic field polarizes iron, so all metals have a similar property, so when the magnetic field interacts with atoms, it dissipates the wave. C) The electric field of the wave excites electrons, which move through the solid conductor and dissipate the electric field, stopping the light wave. D) The free electrons in the metal capture the light.
The Tambora-cooled climate let to which of the following events?
A. cholera epidemic in Bengal, India B. failed rice harvests in Yunnan Province, China C. weakened monsoons in Asia for 3 years D. All of the choices are correct.