Biochem chapter - Study guides, Class notes & Summaries

beta turns beta sheets alpha helix - Select all common secondary structures beta turns motif beta-alpha-beta loop beta sheets alpha helix -Glu-Leu-Ala-Lys-Phe- - Which peptide segment is most likely to be part of a stable α helix at physiological pH ? −Glu−Leu−Ala−Lys−Phe− −Lys−Lys−Ala−Arg−Ser− −Gly−Gly−Gly−Ala−Gly− −Glu−Glu−Glu−Glu−Glu− Denaturation of an enzyme will cause a loss of its catalytic activity. Egg white meringue conta...

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CHAPTER ONE BIOCHEMISTRY: AN INTRODUCTION 1) The ultimate source of energy for life on earth is __________. A) The sun B) Geothermal heat C) Carbohydrates D) Fats E) Other organisms Ans A 2) Which of the following is not a common component of biomolecules? A) Carbon B) Hydrogen C) Oxygen D) Nitrogen E) Chlorine Ans E 3) Which of the following is the basic structural unit of living organisms? A) Nucleus B) Cell membrane C) Tissue D) Cell E) Cytoskeleton Ans D 4) Which o...

allosteric enzymes do/dont behave according to michaelis--menten model correct answers don't ATCase and hemoglobin are correct answers allosteric proteins; they both exhibit cooperative effects caused by subtle changes in quaternary structure ATCase catalyzes what correct answers the first step in a series of reactions in which the end product is cytidine triphosphate (CTP), a nucleoside triphosphate needed to make RNA and DNA CTP is an inhibitor of what correct answers ATCase, the enz...

principles of biochem lehninger chapter 4 2024

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I made this practice test to help me study for my organic and biochemistry final exam. This is 21 multiple choice questions based on chapter 28 chemical messengers: hormones, neurotransmitters, and drugs. Types of hormones, parts of chemical messengers, steroid hormones, amino acid derivatives, polypeptides, and body systems involved.