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Question 1: This is a true story -- Back in the day, when I was an undergraduate student, I was walking down a city street with a friend who was talking to me urgently about something very important to him. He walked straight into a parking meter and the spring recoil of the meter knocked him on his butt. After laughing for a long time we realized neither of us had any idea why that had happened. But you do %u2013 so write an explanation of how the human brain allows such concentration on one thing to lead to disaster with another.
Question 2: Suppose you want to pick up a heavy box from a table and you want to keep your back and legs vertical and straight while you pick up the weight. That is, you want to use only your arm muscles to pick it up. After trying a variety of weights, you find you can pick up a greater weight if you start with your arms bent at about 30 degrees than if they are straight. Explain in detail why this is so.
Assume you have identified a four exon gene expressed in the nervous system of a diploid animal. Different splice variants are expressed in the nervous tissue at the same time.
A gas takes up a volume of 17 liters, has a pressure of 2.3 atm, and a temperature of 299 K. If I raise the temperature to 350 K and lower the pressure to 1140 mm Hg, what is the new volume of the gas.
Suppose if the average hydrostatic pressure in glomerular capillaries is 55 mmHg, the hydrostatic pressure in Bowman's space is fifteen mmHg, the average colloid osmotic pressure in the glomerular.
How are carbohydrates important in RNA and DNA. What is their function in body organs and nerve cells? Do you know of any other functions?
On the morning of the 27th December 1996, Patsy Ramsey called the police to report her 5-year-old daughter, Jon Benet Ramsey, missing. The little girl had disappeared from her bedroom and a ransom note demanding one hundred and $8000.
Think about a cross between a male who has vitamin D resistant rickets and a female who has fully functional PHEX protein and does not express vitamin D resistant rickets.
Provide an instance where this definition does not apply and in brief explain why this example does not apply to the species concept.
In maize, a dominant allele (A) is essential for seed color as opposed to colorless (a). Another gene has a recessive allele (w) which results in waxy starch, as opposed to normal starch (W).
As a biologist it is your job to look for plants that have evolved structures with a selective advantage in dry hot conditions. Which of the adaptions would be least likely to meet the objective.
Consider the use of the Punnett square or your knowledge of meiosis. Explain how the evidence DNA profile and knowing the DNA profile of an offspring can lead to a parent as a suspect. Discuss difference between a genotype and a phenotype.
Freediving is an activity in which a person dives, sometimes to great depth, without use of scuba gear. The diver must hold his or her breath for the duration of dive.
Identify whether transcription of the lac operon would be ON or OFF under the conditions listed below, for the following mutant strains of E. coli.
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