Pka chapter 3 - Study guides, Class notes & Summaries

Chapter 1—The Facts of Life: Chemistry Is the Logic of Biological Phenomena MULTIPLE CHOICE 1. All are distinctive properties of living systems EXCEPT: a. Living organisms are relatively simple. b. Biological structures play a role in the organism's existence. c. The living state is characterized by the flow of energy through the organism. d. Living organisms are highly organized. e. Living organisms are actively engaged in energy transformation. ANS: A PTS: 1 2. Even though the bui...

TEST BANK FOR BIOCHEMISTRY: A SHORT COURSE, 3RD EDITION, JOHN L. TYMOCZKO, JEREMY M. BERG , LUBERT STRYER Table of Contents PART I: THE MOLECULAR DESIGN OF LIFE Section 1: Biochemistry Chapter 1: Biochemistry and the Unity of Life Chapter 2: Water, Weak Bonds and the Generation of Order Out of Chaos Section 2: Protein Composition and Structure Chapter 3: Amino Acids Chapter 4: Protein Three-Dimensional Structure Chapter 5: Techniques in Protein Biochemistry Section 3: Basic Co...

pKa (chapter 3) correct answers measure of the tendency of a group to give up a proton (acidity); tendency decreases tenfold as pKa increases by one unit thioester bond (1) correct answers compounds with functional group C-S-CoA-C (eg, in acetyl-CoA) zwitterion (3) correct answers dipolar ion with both positive and negative groups but overall neutral charge; can act as either an acid or base Isoelectric point (pI) (chapter 3) correct answers the characteristic pH at which the net electr...

What is the ground state electron configuration of carbon? A. 1s22s22px1 B. 1s22s22px2 C. 1s22s22px12py1 D. 1s22s22px22py1 2. Which of the following has (have) the same electron configuration as Ne? Na- Mg2+ O2- Mg+ A. Na-andO2- B. Mg2+ and O2- C. Mg+ and O2- D. only Mg2+ Accessibility: Keyboard Navigation Bloom's Level: 3. Apply Chapter: 01 Difficulty: Medium Gradable: automatic Section: 01.01 Subtopic: Periodic table trends Topic: Structure and Bonding Accessibility: Keyboard Naviga...

pKa (chapter 3) correct answers measure of the tendency of a group to give up a proton (acidity); tendency decreases tenfold as pKa increases by one unit thioester bond (1) correct answers compounds with functional group C-S-CoA-C (eg, in acetyl-CoA) zwitterion (3) correct answers dipolar ion with both positive and negative groups but overall neutral charge; can act as either an acid or base Isoelectric point (pI) (chapter 3) correct answers the characteristic pH at which the net electr...

test_bank_for_biochemistry_8th_edition_by_berg_ibsn_9781464126109.Chapter 2 Protein Composition and Structure 1) Which of the following is most often found in proteins? A) D-amino acids B) L-amino acids C) an equal amount of D- and L-amino acids D) amino acids with the -carbon exclusively having an R absolute configuration E) amino acids with the -carbon exclusively having an S absolute configuration Answer: B Section: 2.1 2) A term that describes a molecule that contains both pos...

Test Bank For Organic Chemistry 10th Edition by Francis Carey A+ upgraded What is the ground state electron configuration of carbon? A. 1s22s22px1 B. 1s22s22px2 C. 1s22s22px12py1 D. 1s22s22px22py1 2. Which of the following has (have) the same electron configuration as Ne? Na- Mg2+ O2- Mg+ A. Na-andO2- B. Mg2+ and O2- C. Mg+ and O2- D. only Mg2+ Accessibility: Keyboard Navigation Bloom's Level: 3. Apply Chapter: 01 Difficulty: Medium Gradable: automatic Section: 01.01 Subtopic: Periodic table ...

Biochemistry: Concepts and Connections (Appling et al.) Chapter 1 Biochemistry and the Language of Chemistry 1) The water content in the human body is approximately: A) 90%. B) 80%. C) 70%. D) 60%. E) 50%. Answer: C 2) The four most abundant chemical elements in living systems are: A) hydrogen, oxygen, sulfur and phosphorus. B) hydrogen, carbon, nitrogen and oxygen. C) sodium, potassium, carbon and oxygen. D) sodium, potassium, nitrogen and sulfur. E) carbon, nitrogen, oxygen and potassium. Answ...

Chapter 1-Structure and Bonding:Acids and Bases 1. How many total valence electrons are represented in the following electron configuration? 1s22s22px2 2py2 2pz1 or 1s22s22p5 a. 1 b. 3 c. 5 d. 7 e. 9 ANS: D Instructions: Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show all nonbonding electrons. 2. Write: CH3CH2OH ethanol ANS: 3. The structure of urea is shown below. Fill in any nonbonding valence electrons that are missing from the l...

Lehninger Biochemistry Chapter 3 Questions And Answers Graded A+ . The chirality of an amino acid results from the fact that its α carbon: A) has no net charge. B) is a carboxylic acid. C) is bonded to four different chemical groups. D) is in the L absolute configuration in naturally occurring proteins. E) is symmetric. - correct answer. C) is bonded to four different chemical groups. Of the 20 standard amino acids, only ___________ is not optically active. The reas...