Which of the following is not a form of passive transport?
A) Diffusion
B) Osmosis
C) Facilitated diffusion
D) All of the above are forms of passive transport
D
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Which of the following polymerases functions in translesion synthesis and is considered error-prone because it lacks the 3'-5' exonuclease activity used for proofreading?
A. DNA Pol I B. DNA Pol II C. DNA Pol III D. DNA Pol IV E. None of these choices is correct.
The liberated carbon dioxide, which strong evidence supports as the cause of global warming, is being released from what source?
1.nuclear energy 2.solar power 3.burning fossil fuels 4.wind turbines
Since all action potentials are identical, the intensity of a sensation depends on:
a. whether a myelinated or unmyelinated neuron has been stimulated. b. the duration of the stimulation. c. whether the neuron stimulated is a pre- or postsynaptic neuron. d. the total number of neurons stimulated and the frequency of their discharge. e. the presence of an EPSP or IPSP, which allows for a graded response.
Why is meiosis important for sexual reproduction?
A. It allows the zygote formed from fertilization to have triple the chromosome number of the organism. B. It allows gametes to have twice the original number of chromosomes of the organism. C. It allows gametes to have half the original number of chromosomes of the organism. D. It allows the zygote formed from fertilization to have half the original number of chromosomes of the organism.