Find the area of the shaded triangle, formed by the two squares below.
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Tag Archives: DAT
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Bobble Wobble
Scientists performed a mutational analysis of gene X. The gene X is a transcription factor involved in the cell cycle control. The aim of the study was to address a question of whether mutations in the gene had an impact on the development of cancer. Overall, five mutations were detected. Analysis of the results showed that some of the mutations had no effect on cancer behavior. The table below contains some basic information about mutations.
Which of the following mutations has/have no effect on cancer development?
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Gastrin Secretion
Which of the following statements is NOT true regarding gastrin secretion and function?
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Chemistry Lab Techniques
When smelling a chemical in a chemistry lab, which of the following is the proper technique?
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English Tons
Given that there are approximately 2.1 lbs in a kilogram, how much more does a metric ton weigh than an English ton?
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System of an Equation
Given that:
4y + 6x = 26
3y – 6x = -12
What is 2x – 5y?
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Major Prediction
Predict the major product of the following reaction:
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Process of an Action Potential
A neuron communicates by sending an action potential down its axon and releasing neurotransmitter. Which of the following correctly describes the process of an action potential. (1) rapidly enters the cell causing a depolarization, followed by the efflux of (2), which repolarizes the cell. Once the action potential reaches the presynaptic terminal, (3) enters the cell, which causes the release of neurotransmitter?
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Grignard Reaction
What missing reagent gives the product for this Grignard reaction?
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Under Pressure
A mixture of gases has a total pressure of 48 atmospheres. If there are a total of 4 gases of varying molecular weights in the mixture and the smallest and largest gases account for 75% of the total pressure, which of the following is the pressure of the remaining gases?
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