Which of the following molecules should have the same molecular shape and approximate bond angles as ammonia, NH3?
A. BH3
B. PH3
C. SO3
D. NO2
E. CH4
Answer: B
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Gregor Mendel was the first to develop the theory of evolution. Indicate whether the statement is true or false
Why might the following nuclear reaction not be very good for energy production in a fission reactor? U ? Ba + Kr + 1 neutron
A) The material only produces one neutron so the chain reaction will not be very efficient. B) The products are too large. C) There are too many products produced. D) The mass of the byproducts is too high and therefore the energy released will not be high enough. E) Interatomic attraction between the products will impede the efficient separation of the atoms from the unstable nuclei.
Which amino acids are found at the C-terminal domain of pol II?
A) alanine and serine B) alanine and glycine C) glycine and threonine D) serine and threonine
The Gulf Stream has decreased in recent years due to an influx of freshwater
Indicate whether the statement is true or false