What determines the function of the gene product?
A) The sequence of phosphates
B) The sequences of deoxyribose
C) The sequence of bases
D) The number of bases
E) The number of phosphates
C
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Defects in which of the following structures are responsible for a condition called "exercise intolerance," where individuals suffer extreme fatigue from minimal exertion?
A. mitochondrion B. ribosome C. endoplasmic reticulum D. Golgi apparatus E. lysosome
In the water cycle, animals return water to the environment by
A. transpiration and excretion. B. excretion. C. transpiration. D. evaporation and excretion. E. evaporation.
The three steps, in order, of the Calvin Cycle are:
a) fixation of CO2, sugar creation, regeneration. b) sugar creation, regeneration, ATP production. c) ATP production, the electron transport chain, and fixation of NADPH. d) the splitting of water, the electron transport chain, the passing of electrons to NADP+. e) regeneration, fixation of NADP+, sugar creation.
Which of the following is correct regarding the dating of fossils with radioisotope decay?
A. Decay is uniform, and there is no limit to the measurement technique aside from the quantity of sample taken. B. There is always an upper limit to how far back the decay can be measured, and the closer to the present, the more accurate we can be. C. There is always a lower limit to how far back the decay can be measured, and the further from the present, the more accurate we can be. D. For short-life isotopes, there is an upper limit when the amount of radioactive isotope is too small to measure; with long-life isotopes, there is a limit on how near the recent they are since too little decay has occurred. E. For long-life isotopes, there is an upper limit when the amount of radioactive isotope is too small to measure; with short-life isotopes, there is a limit on how near the recent they are since too little decay has occurred.