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Microscopes slides
In the slide you will see the basic structure of a microscope.
£7.50 Preview RemoveChem Study Guide
Phases of interphase, mitosis and meiosis, down syndrome, turner syndrome, klinefelter, tetrad v. dyad, spermatogenesis v. oogenesis, diploid v. haploid, three types of neurons, function of pons, thalamus, hypothalamus, limbic system, hormones, insulin v glucagon, ACTH, growth hormone, bones, joints, degrees of movement, and more! From a freshman college course of Chemistry.
£1.50 Preview RemoveGCSE EDEXCEL CHEMISTRY TOPIC 2 STATES OF MATTER & MIXTURES
notes with specification points clear, concise, detailed, simple - but quality Higher Grade 9 if you learn it
£1.50 Preview RemoveIonic Basis of Membrane Potential
Summary and important points taken from Medical Physiology by Boulpep (Third Edition) 1. Principles of electrostatistics explain why aqueous pores formed by channel proteins are needed for ion diffusion across cell membranes. 2. Two methods of measuring membrane potentials 3. For mammalian cells, Nernst potentials for ions typically range from -100mV for K to +100mV 4. Components for generating a membrane potential 5. Currents carried by ions across membranes depend on the concentration of ions on both sides of the membrane, the membrane potential, and the permeability of the membrane for each ion 6. How to predict membrane potential 7. Electrodiffusion 8. How an ion behaves in the membrane 9. Goldmna-Hodgkin-Katz (GHK) equation 10. Capacitance 11. Voltage clamp measures currents across cell membranes 12. Molecular Physiology of Ion Channels 13. Pharmacologic ligands 14. Sequence Homoogy 15. General characteristics of Pores 16. Gap junction channels are made up of two connexons, each of which has six identical subunits called connexins 17. Five distinct families of K+ channels
£3.75 Preview RemoveCHM 2754 Solution Midterm 2015 Chimie Analytique
CHM 2754 Chimie analytique Introduction aux principes fondamentaux de la chimie analytique, y compris la théorie des erreurs, la théorie des titrages acido- basiques et oxydoréducteurs, ainsi que les méthodes de séparation. Solutions tampons et précipitation à l'équilibre. Antérieurement CHM 2554 et CHM 2518.
£12.50 Preview RemoveOCR 2024 GCSE Chemistry A (Gateway Science) J248/01 (Foundation Tier) With Marking Scheme Merged
OCR 2024 GCSE Chemistry A (Gateway Science) J248/01 (Foundation Tier) With Marking Scheme Merged CHEMISTRY A Oxford Cambridge and RSA Friday 17 May 2024 – Morning GCSE (9–1) Chemistry A (Gateway Science) J248/01 (Foundation Tier) Time allowed: 1 hour 45 minutes You must have: • a ruler (cm/mm) • the Data Sheet for GCSE (9–1) Chemistry A (inside this document) You can use: • a scientific or graphical calculator • an HB pencil * J 2 F 4 8 0 1 * Please write clearly in black ink. Do not write in the barcodes. Centre number First name(s) Last name INSTRUCTIONS Candidate number • Use black ink. You can use an HB pencil, but only for graphs and diagrams. • Write your answer to each question in the space provided. If you need extra space use the lined page at the end of this booklet. The question numbers must be clearly shown. • Answer all the questions. • Where appropriate, your answer should be supported with working. Marks might be given for using a correct method, even if your answer is wrong. INFORMATION • The total mark for this paper is 90. • The marks for each question are shown in brackets [ ]. • Quality of extended response will be assessed in questions marked with an asterisk (*). • This document has 28 pages. ADVICE • Read each question carefully before you start your answer. 2 Section A You should spend a maximum of 30 minutes on this section. Write your answer to each question in the box provided. 1 Which part of an atom is negatively charged? A Electron B Neutron C Nucleus D Proton Your answer 2 Which of these changes is a chemical change? A Ice melting B Shaping hot metal with a hammer C Water condensing D Wood burning Your answer 3 Which group of elements on the Periodic Table has a full outer shell of electrons? A 0 B 1 C 2 D 7 Your answer [1] [1]
£5.00 Preview RemoveA-A* Biology & Chemistry notes
Biology (Edexcel) and Chemistry (OCR B Salters, unit 5) A2 notes at A-A* standard. Ideal for people continuing Biology and Chemistry into A2 at UK sixth forms and colleges. Have A-A* notes instantly to save precious time to focus on perfecting exam technique.
£3.75 Preview RemoveNURSING NOTES - Anatomy & Physiology (CELLS)
This is compilation of notes with summarizations related to cells for the course Anatomy & Physiology in nursing that are easy to understand and learn.
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