Dat Practice Questions Study Guide Questions And Correct Answers

The major product of the following reaction would be {Ans: B - equidistant R groups}23. Cystic fibrosis is a recessive mutation at a single gene locus. A person with two mutated genes presents with many different symptoms in different body tissues. This is an example of A. pleiotropy B. variable penetrance C. epistasis D. incomplete dominance E. null mutation {Ans: A - pleiotropy: when one gene affects many different traits.}34. When does the cortical reaction occur? A. During meiosis I B. After ovulation C. After the sperm fuses with the egg D. As the fertilized egg undergoes cleavage and prepares to implant into the uterus E. As the embryo implants into the uterus {Ans: C - after sperm fuses with the egg}18. All of the following statements regarding thermodynamics are true, EXCEPT one. Which one is the EXCEPTION? A. Wsystem = -PΔV B. ΔU = Q + W C. ΔUsystem = -ΔUsurroundings D. ΔQsystem > 0 when heat is added to the surroundings E. ΔQ = 0 for an adiabatic process {Ans: D - ∆Q system > 0 when heat is added to the surroundings}10. A student dissolved 10.1 g of KNO3 (molecular mass of KNO3