In an alpha helix Study guides, Class notes & Summaries

Write a few sentences that explain what limits an individual cell from becoming more complex. - Correct answer-Bimolecular machinery and division of labor The paramecium discussed in class contained an organelle called the contractile vacuole. This is the presumed precursor of the: - Correct answer-Kidney In cell Biology what can limit the progress of science? - Correct answer-Technology True or False: In you own multicellular body, cells with different functions have different DNA - Corre...

UNIT 1 - Quizzes and Exam, UNE medical biochemistry Unit 1 Test Correctly Answered To Score A+ Which of the following amino acid would not be commonly found in the middle of a an α-helical domain? Proline. It is considered a 'helix breaker' and would not be found in an alpha helix; all other residues are nonpolar hydrophobic and could reside in a transmemebrane domain. Changes in the physiological variables listed below can alter the affinity of hemoglobin for oxygen. Which of the fol...

Typical Van der Waals energies are about: correct answers 2-4 kJ/mol A possible drug to treat COVID-19 has been discovered and is known to be a weak acid. At the pH of blood (7.4) the concentrations of acid and conjugate base are 0.075 and 0.025 respectively. What is its pKa? correct answers 3.00 What is the [A-]/[HA] ratio whent he weak acid is in solution alone pH unit above its pKa? correct answers 10:1 What are the primary chemical components present in a phosphate buffer at pH 7.4?...

UNE medical biochemistry Unit 1 Test Questions & Answers 2024 Which of the following amino acid would not be commonly found in the middle of a an α-helical domain? - ANSWER-Proline. It is considered a 'helix breaker' and would not be found in an alpha helix; all other residues are nonpolar hydrophobic and could reside in a transmemebrane domain. Changes in the physiological variables listed below can alter the affinity of hemoglobin for oxygen. Which of the following will lower the...

Water has an unusually high specific heat. What does this mean? Answer A large amount of heat is required to raise the temperature of water. What is the concentration of hydroxide ions in a solution where pH = 8? Answer 1 × 10-6 M If a polypeptide is said to form an alpha helix or beta sheet, this describes its: Answer Secondary structure How does RNA differ from DNA? Answer Both DNA and RNA contain hydrogen bonds. Polymers are made of monomer subunits that are joined by what type o...

UNIT 1 - Quizzes and Exam, UNE medical biochemistry Unit 1 Test Correctly Answered To Score A+ Which of the following amino acid would not be commonly found in the middle of a an α-helical domain? Proline. It is considered a 'helix breaker' and would not be found in an alpha helix; all other residues are nonpolar hydrophobic and could reside in a transmemebrane domain. Changes in the physiological variables listed below can alter the affinity of hemoglobin for oxygen. Which of the fol...

Hydrogen correct answers Water molecules are attached to each other and form ____________________ bonds. Oxygen correct answers Sodium (Na+) will be attracted to what portion of a water molecule? Covalent correct answers A bond in which electrons are shared between atoms is a ___________________ bond. True correct answers True or False: Random movement of molecules in solution from areas of high concentration to those of lower concentration is known as diffusion. Both hydrophobic and...

WGU C785 EXAM [QUESTIONS AND ANSWERS GRADED A] [LATEST VERSION 2023/2024] What is the basic structure of an amino acid? What do they look like? - CORRECT ANSWER amino group (NH2 or NH3), carboxyl group (COO or COOH), alpha carbon (C), and variable group How do you identify the 3 different types of side chains: non-polar/hydrophobic, polar, and charged? - CORRECT ANSWER Non-polar/hydrophobic - end with CH or "can't have" water. Polar - end with OH, SH, or NH. Charged - end with a...

Chem 210 Portage Learning Exam #3 | Questions and Verified Answers| 2023/ 2024 Update Question What unit is used by biochemists to indicate the mass of a protein? kDa kBa Mol/g g/mol kg Question All of the 20 standard amino acids contain an R-group that is attached to the: A. Carboxyl group B. Amino group C. Alpha carbon D. Beta carbon E. It depends on the amino acid A. B. C. D. E. Question Which of the following correctly matches the amino a...

AP Biology Vocabulary Review of the Campbell 7th edition terms for the new 2024 AP Biology Curriculum Q&A polar - CORRECT ANSWER-Molecule with partial charges. Mixes with water. nonpolar - CORRECT ANSWER-No partial charges. Do not mix with water. electronegativity - CORRECT ANSWER-Attraction of an atom for electrons in a covalent bond. cohesion - CORRECT ANSWER-Water molecules sticking to each other. adhesion - CORRECT ANSWER-Water molecules sticking to other surfaces. solute - CORRE...