Enzyme properties Study guides, Class notes & Summaries

Catalyst - ANSWER-a substance that increases the rate of a chemical reaction without being consumed Enzyme - ANSWER-a molecule that increases the rate of a chemical reaction without being consumed (ex: protein) Activation energy - ANSWER-amount of energy required to convert a substrate into a product Active site - ANSWER-location on an enzyme that physically interacts with the substrate How do enzymes catalyze reactions? - ANSWER-1. substrate attaches to active site 2. activation en...

Test Bank for Pharmacotherapeutics for Advanced Practice: A Practical Approach 5th Edition Arcangelo Test Bank Pharmacotherapeutics for Advanced Practice- A Practical Approach 5th Edition Arcangelo Test Bank Pharmacology for Advanced Practice Nursing (Kennesaw State University) lOMoAR cPSD| Chapter 1 Issues for the Practitioner in Drug Therapy MULTIPLE CHOICE 1. Nurse practitioner prescriptive authority is regulated by: A. The National Council of State Boards of Nursing B. The U.S. ...

TEST BANK PATHOPHYSIOLOGY THE BIOLOGICAL BASIS FOR DISEASE IN ADULTS AND CHILDREN BY McCance Chapter 1: Cellular Biology MULTIPLE CHOICE 1. Which statement best describes the cellular function of metabolic absorption? a. Cells can produce proteins. c. Cells can take in and use nutrients. b. Cells can secrete digestive enzymes. d. Cells can synthesize fats. ANS: C In metabolic absorption, all cells take in and use nutrients and other substances from their surroundings. The remaini...

Review Test Submission: Exam - Week 11 User Course NRNP-6635-9/NRNP-6635F-9-Psychpathology Diag Reasoning2020 Winter Qtr 11/30-02/21-PT27 Test Exam - Week 11 Started 2/15/21 11:36 AM Submitted 2/15/21 2:03 AM Due Date 2/15/21 1:59 AM Status Needs Grading AttemptSco re 86 out of 100 points TimeElapse d 2 hours, 26 minutes out of 2 hours and 30 minutes   Question 1 Select the mental function that is most affected in mild cognitive impairment. Selected Answer: D. Recent ...

Humans produce sweat as a cooling mechanism to maintain a stable internal temperature. Which of the following best explains how the properties of water contribute to this physiological process? - ANSWER The high heat of vaporization of water allows the body to remove excess heat through a phase change of water from liquid to gas A student placed a semipermeable membrane inside a U-shaped channel with two chambers, as shown. The membrane permits the movement of water but not salt. The...

MN553 Pharmacology Unit 2 Quiz and answer already solved 2023What properties affect the distribution of drugs drug size, charge, chemical structure, pH, molecular size, lipid or water solubility first pass metabolism metabolism by the liver following oral administration Phase 1 reactions Oxidation, reduction, hydrolysis or non-synthetic reactions that prepare the drug for further metabolism - to make the drug more water soluble Phase II reactions synthetic or conjugation...

Test Bank for Pathophysiology 9th Edition Mccance 2023 ANS: A B-cell function is altered with age as shown by decreases in specific antibody production in response to antigenic challenge, with concomitant increases in circulating immune complexes and in circulating autoantibodies (antibodies against self-antigens). Aging does not play a role in either decreasing T cells circulation or increasing helper T cells production. PTS: 1 DIF: Cognitive Level: Remembering 25....

NRNP 6566 Mid-term Study Guide Week 1 to 5 Week 1 1. Describe the cytochrome P450 system. Describe how inducers and inhibitors affect the cytochrome system and how that affects the half-life of medications. Cytochromes P450 (CYPs) are a superfamily of enzymes containing heme as a cofactor that function as monooxygenases. In mammals, these proteins oxidize steroids, fatty acids, and xenobiotics, and are important for the clearance of various compounds, as well as for hormone synthesis and br...

m   1. Which of the following is the mRNA start codon in most cases? A. UAA B. AGU C. AUG D. UGA 2. Which of the types of RNA is the smallest? A. mRNA B. tRNA C. rRNA D. 3. Which of the following is not considered a pyrimidine? A. C B. T C. U D. G 4. Which of the following is paired correctly? A. A-G B. C-G C. A-U D. G-T 5. Which of the following characterizes a Western blot? A. Antibody/protein hybridization B. DNA/RNA combination C. RNA ...

If the pka of a weak acid is 2.5, at which pH will this drug become more ionized? A. pH 5 B. pH 2.5 C. pH 1.5 D. pH 1 - Answer - A. For a weak acid, a higher pH increases ionization Which equation describes the rate of drug dissolution from a tablet? A. Fick's Law B. Henderson-Hasselbalch equation C. Michaelis-Menten equation D. Noyes-Whitney equation - Answer - D. The Noyes-Whitney equation describes the rate of drug dissolution from a tablet. Fick's first law of diffusion is s...