Principle of Biomedical Science Final Exam Review Questions and Answers 100% Pass

Principle of Biomedical Science Final Exam Review Questions and Answers 100% Pass Name 5 pieces of evidence that might be obtained at a crime scene that could help solve the crime - -blood - DNA -Hair -Weapon - fingerprint Name all four bases of DNA- which bases are structurally similar to one another? Which bases pair with each other? Which base is not present in RNA? - Adenine, Thymine, Guanine, Cytosine (A-T, G-C) In RNA, Thymine is replaced with Uracil 2Brittie Donald, All Rights Reserved © 2025 What do restriction enzymes do? - Restriction enzymes come from bacteria and make cuts in DNA. These fragments can become RFLPs and can be run through gel electrophoresis What does gel electrophoresis do? Which way does DNA run on the gel? - Separated RFLPs based on size. The smallest pieces travel the furthest. They migrate to the positive terminal because of DNAs negative charge How does DNA differ from person to person? - The sequence and number of base pairs. Human DNA differs only in the sequence of bases - 0.1% What strand of DNA would bind with this strand? ATCGTCAGG - TAGCAGTCC Compare the differences of Type 1 diabetes and Type 2 Diabetes - Type 1: Hereditary, weight loss, hunger, fatigue, thirst, frequent urination, cells kill off insulin producing beta cells, requires insulin injection and pump, can cause early death, can cause blindness, retinopathy, heart disease, kidney disease, and feet problem Type 2: caused by poor diet, being overweight, high blood pressure, neuropathy, body makes insulin but isn't used properly by the body or is not enough to meet body demand, treatment- good diet, exercise, meds. UTI, thirst, headaches, fatigue Explain the difference between negative and positive feedback (give examples). - Positive feedback is one circle (Giving birth) 3Brittie Donald, All Rights Reserved © 2025 Negative feedback is a figure eight (Blood glucose levels) Explain the difference between dehydration synthesis and hydrolysis. - Dehydration synthesis: Monomers are joined by removal of OH from one monomer and removal of H from another at the sight of bond formation Hydrolysis: monomers are released by addition of a water molecule adding OH to one monomer and H to the other Explain the process of calorimetry and how it is used to measure the amount of energy in a food - Uses a piece of equipment to measure energy released or absorbed during a chemical reaction or phase change. Allows us to determine t