Usabo open Study guides, Class notes & Summaries

Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to leave the axons. E. It traps neurotransmitters, increasing their concentratio...

USABO Open Exam 2023 Questions And Answers.

USABO Open Exam Latest Update Already Passed Both amino acids and nucleotides form complex chains. Select all the answers below that are accurate. A. The chains formed by both have polar phosphate groups. B. Both contain peptide bonds. C. Both contain nitrogen. D. The chains formed by both can be lysed by trypsin. E. The sequence of chains both form from preexisting templates. C. Both contain nitrogen. E. The sequence of chains both form from preexisting templates. When a popul...

USABO OPEN EXAM 2024 WITH 100% CORRECT ANSWERS Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to leave the axons. E. It tr...

Why is myelin important in the nervous system? A. It allows signals to travel faster along axons because depolarization occurs only at myelinated locations. B. It allows signals to travel faster along axons because depolarization occurs only at nonmyelinated locations. C. It bundles the dendrites of adjacent neurons together. D. It increases capacitance across the cell membrane, which helps electrical signals to leave the axons. E. It traps neurotransmitters, increasing their concentratio...

USABO Open Final Exam 2024 Questions and Answers. Questions 1 and 2. Please use the following options to answer the following three questions. Each choice may be used once, more than once, or not at all. A. Actin. B. Myosin. C. Dynein. D. Kinesin. E. Cyclin. 1. In the extracellular matrix of an animal cell, you would like to test the binding partner of integrins in vitro. Integrins would most likely require firm attachment to which of the above option? A 2. You are working with Dr. Lee...

USABO Open Final Exam 2024 Questions and Answers. Questions 1 and 2. Please use the following options to answer the following three questions. Each choice may be used once, more than once, or not at all. A. Actin. B. Myosin. C. Dynein. D. Kinesin. E. Cyclin. 1. In the extracellular matrix of an animal cell, you would like to test the binding partner of integrins in vitro. Integrins would most likely require firm attachment to which of the above option? A 2. You are working with Dr. Lee...

USABO Open Final Exam 2024 Questions and Answers. Questions 1 and 2. Please use the following options to answer the following three questions. Each choice may be used once, more than once, or not at all. A. Actin. B. Myosin. C. Dynein. D. Kinesin. E. Cyclin. 1. In the extracellular matrix of an animal cell, you would like to test the binding partner of integrins in vitro. Integrins would most likely require firm attachment to which of the above option? A 2. You are working with Dr. Lee...

USABO Open Exam 2024 Question and Answers | 100%Verified & Updated | Graded A. 1. A student in lab is characterizing an unknown chain of amino acids and finds large numbers of lysine residues. Which of the following would be the location of their discovery? A. Alpha-helix interior. B. Histone tail. C. Magnesium-associated domain. D. Steroid center. E. Transmembrane domain. 2. Based on Graphs A and B below, would Taxol or colchicine be more likely to have a positive effect on cell divis...

USABO Open Exam Questions and Answers 100% CorrectUSABO Open Exam Questions and Answers 100% CorrectUSABO Open Exam Questions and Answers 100% CorrectUSABO Open Exam Questions and Answers 100% Correct Which statement is true about enzymes? Enzymes A. Are made up of a base containing nitrogen, phosphate, and ribose. B. Have activity that is independent of temperature and pH. C. Lose some or all of their normal activity when their 3-D structure is disrupted. D. Provide the activation energy...