Cells and proteins Study guides, Class notes & Summaries

transport proteins - are responsible for controlling passage across the membrane fluid mosaic model - The membrane is a mosaic of protein molecules bobbing in a fluid bilayer of phospholipids fatty acid tails - nonpolar, hydrophobic fatty acid heads - hydrophilic, polar periphial proteins - bound to the surface of the membrane integral proteins - penetrate the hydrophobic core (ones that span the membrane are transmembrane protiens How do cells recognize each other? - by binding to molec...

Exam 2: NUR155/ NUR 155 (Latest 2023/ 2024) Foundations of Nursing Exam Review| Questions and Answers| 100% Correct| Galen Q: Needed for the body to heal Answer: Proteins Q: medical diagnosis Answer: Clinical judgment by the physician that identifies or determines a specific disease, condition, or pathological state Q: Nursing Diagnosis Answer: How a client responds to heath problems or conditionsl Q: Assessment Answer: Collect data, organize, vali...

WGU D236 pathophysiology: Objective Assessment Questions and Verified Answers | Latest 2023/2024 GRADED A+. A major function of potassium is to conduct nerve impulses in muscles. Too low and muscle weakness occurs and too much can cause muscle spasms. This is especially dangerous in the heart muscle and an irregular heartbeat can cause a heart attack The body uses the Protein Buffering System, Phosphate Buffering System, and Carbonic AcidBicarbonate System to regulate and maintain homeostatic...

Complete Test Bank for Biology, 6th Edition by Robert Brooker, Eric P. Widmaier, Linda E. Graham, Peter D. Stiling ; ISBN13: 9781264039715. Full Chapters included Chapter 1 to 60. 1. An Introduction to Biology. 2. The Chemical Basis of Life I: Atoms, Molecules, and Water. 3. The Chemical Basis of Life II: Organic Molecules. 4. Evolutionary Origin of Cells and Their General Features. 5. Membrane Structure, Synthesis and Transport. 6. An Introduction to Energy, Enzymes, and Metabolism. 7. C...

Lesson 1: Foundations to Set the Stage ... Focusing on Cellular Structure and Function ... The Normal Cell Cycle -The cell cycle refers to the ordered seres of processes of DNA replication and mitosis, or cell division -Cell nucleus regulates these processes by gathering and processing complexes molecular information Interphase and Mitotic Phase Cell division produces two identical cells through these two major phases During interphase: Cell grows and DNA is r...

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PHYS 261 MIDTERM EXAM QUESTIONS AND ANSWERS 2023. Plasma is mostly A) water. B) blood cells. C) proteins. D) organic molecules. E) ions. Answer: A Section: Plasma and the Cellular Elements of Blood Learning Outcome: 16.1 Bloom's Taxonomy: Knowledge 3) The most abundant proteins in blood plasma are A) globulins. B) transport proteins. C) albumins. D) lipoproteins. E) fibrinogens. Answer: C A. albumins B. globulins C. fibrinogen D. transferrin E. antibodies 43) contribute(s)...

Exam 2: NSG 124/ NSG124 (NEW 2024/ 2025 Update) Pharmacology | Review with Questions and Verified Answers| 100% Correct| Graded A- Herzing Q: Penicillins - mechanism of action Answer: - weakens cell wall, causes water uptake and cell rupture - bactericidal (kills cells) Q: Ampicillin Answer: Penicillin preferred drug for gram-negative bacteria Q: patient education for Penicillins Answer: - take with full glass of water - take 1 hour before or 2 hours after...

Who regulates pituitary gland secretion? correct answer: Releasing hormones from the hypothalamus What is a hormone and how does it act? correct answer: Hormones are chemical messengers that are responsible for regulation. They are secreted into body fluids, mainly blood. It has specific actions on target tissues, which are any tissue that has specific receptors for that particular hormone. Compare and contrast glucagon and insulin correct answer: Glucagon stimulates the liver to break ...

Portage Learning: Microbiology Final Exam Set Already Passed Microbiology is the study of what? Microbiology is the study of microbes (microorganisms and viruses) and their biological processes. What is the smallest biological unit of life? A cell What is a macromolecule? A macromolecule is classified as a complex molecule that is composed from smaller subunits. What are the four main types of macromolecules? Proteins, nucleic acids, lipids and carbohydrates What various functions do protein...