Which of the following statements best summarizes the first law of thermodynamics?
a. Energy cannot be transferred, transformed, created, or destroyed
b. Whenever energy is transferred or transformed, entropy increases.
c. An energy change is required in order to decrease entropy.
d. Energy can be transferred or transformed but cannot be created or destroyed.
d
You might also like to view...
Which of the following statements regarding transcription only apply to prokaryotes and not to eukaryotes?
A. A region of the promoter about 30 nucleotides upstream of +1 contains AT-rich base pairs. B. The RNA start site is designated +1. C. A region of the promoter about 10 nucleotides upstream of +1 contains AT-rich base pairs. D. Important sequence elements are frequently found downstream of +1. E. All of the choices given apply to eukaryotes.
Synaptic integration means
a. all positive or excitatory stimuli are added together. b. the positive and negative ions neutralize each other. c. excitatory and inhibitory signals are combined in a neuron. d. the adjacent neurons interact so that excitatory and inhibitory stimuli cancel each other out. e. that an interneuron is involved.
What contribution did Charles Lyell make?
A) He found some bird specimens on the Galapagos Islands. B) He found some fossils of extinct species. C) He suggested that life evolves through physical changes within the life span of an organism. D) He provided the first evidence that the Earth is much older than was previously thought.
Which event occurs in body tissue blood?
a. In the plasma, HCO3- and H+ convert into CO2 and H2O. b. Erythrocyte HCO3- enters the plasma. c. Free H+ releases from hemoglobin. d. CO2 binds to hemoglobin.1124