Role of enzymes - Study guides, Class notes & Summaries

Equation of how Enzymes function in reaction Substrate(s) + Enzyme = Product(s) + Enzyme What is the optimal temperature for most enzymes to work at? 37 degrees Celsius What happens when temperature is too high for an enzyme? Enzymes can unfold and lose their 3D shape. What pH do cytosolic enzymes operate best at? neutral, around 7.2. (the pH of human cells) How can competitive inhibition be overcome? increasing substrate concentration What direction does actin spin when ATP is being produc...

uestion Number Answer Mark 1(a) The only correct answer is C a place where an organism lives A is incorrect because a group of organisms of different species living in the same area is a community B is incorrect because a group of organisms of the same species living in the same area is a population D is incorrect because the role of an organism is its niche (1) Question Number Answer Additional guidance Mark 1(b)(i) A description that makes reference to three of the following • ...

What feature of dietary fiber is responsible for its role in maintain gastro-intestinal health? a. Bonds between glucose molecules are unstable, and the digestive system can break down the fiber with minimal energy, effort, or strain on the system. b. Bonds between glucose molecules that cannot be broken by our digestive enzymes c. Chains consist solely of glucose and no other monosaccharides d. It comes from plants Answer b. Bonds between glucose molecules that cannot be broken by our dige...

Pharmacology HESI V2 Preparation 2024 Exam Questions and Answers. A client is prescribed phenobarbital sodium (Luminal) for a seizure disorder. The medication has a long half-life of 4 days. Based on this half-life, the medication will most likely be prescribed A. once a day. B. twice a day. C. three times a day. D. four times a day. Correct answer- ANS: A Medication with long half-lives remain at their therapeutic levels between doses for long periods of time. Therefore, this medicatio...

The nurse completes an admission assessment on a patient with asthma. Which information given by patient is indicates a need for a change in therapy? a. The patient uses albuterol (Ventolin HFA) before aerobic exercise. b. The patient says that the asthma symptoms are worse every spring. c. The patient’s heart rate increases after using the albuterol (Ventolin HFA) inhaler. d. The patient’s only medications are albuterol (Ventolin HFAl) and salmeterol (Serevent). ANS: D Long-acting b2-agonis...

TABLE OF CONTENTS 1. Principles of Life PART 1. CELLS 2. Life Chemistry and Energy 3. Nucleic Acids, Proteins, and Enzymes 4. Cells: The Working Units of Life 5. Cell Membranes and Signaling 6. Pathways that Harvest and Store Chemical Energy PART 2. GENETICS 7. The Cell Cycle and Cell Division 8. Inheritance, Genes and Chromosomes 9. DNA and its Role in Heredity 10. From DNA to Protein: Gene Expression 11. Regulation of Gene Expression 12. Genomes 13. Biotechnology 14. Genes, Dev...

Test Bank Memmlers Structure and Function of the Human Body 12th Edition Cohen Chapter 01: Introduction to the Body MULTIPLE CHOICE 1. The word derived from two word parts that mean ―cutting apart‖ is a. physiology b. homeostasis c. anatomy d. dissection ANS: C DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 2. The study of how the body functions is called a. physiology b. homeostasis c. anatomy d. dissection ANS: A DIF: Memorization REF: p. 3 OBJ: 1 TOP: Introduction 3. The correct seq...

Straighterline - A&P 1 Midterm Exam Questions With Complete Solutions Latest Updated 20245/2025 | 100% Verified | Graded. The study of tissues is - Correct Answer- histology Microscopic examination of a frozen tissue specimen is an application of which of the following disciplines? - Correct Answer- histology The study of the external form of the body and its relationship to deeper structures is - Correct Answer- surface anatomy The study of the structural features and functions of the cell...

PATHO- NURS 8022 EXAM 1 QUESTIONS & ANSWERS (2023/2024)(VERIFIED ANSWERS)EXAM 1 PATHO- NURS 8022 QUESTIONS & ANSWERS (2023/2024)(VERIFIED ANSWERS) Negative Feedback - ANSWER Promotes stability; cancels out the original response. Ex: High FSBS, increased insulin by the pancreas Positive Feedback - ANSWER Promotes a change in one direction; instability, DISEASE. Ex: Blood clotting, platelet cascade Proteins - ANSWER Provide selectivity to a membrane Integral proteins - ANSWER channel...

NURS 5334 - FINAL EXAM STUDY GUIDE. Final Exam Blueprint Prescribing Basics: 2 questions Prescriptive authority regulated by the state BON in each state. Tall man lettering to highlight dissimilaries with look-alike names *Prescription contains… Physicians Name, Address, and telephone number are required to be included in the prescription. DEA number (two letters, five numbers) if the prescription is for controlled substance, Patient name and DOB (also may include address and wei...