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Lecture notes

University of Surrey - Biosciences (Biomedical Science), Cell Biology BMS1025

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Hand written through notes for Cell Biology, BMS1025 module for 1st year University of Surrey students. I took the exam in January and achieved an 1st degree, 80% using these notes alone. I understand these are expensive but I took a lot of time over them. You could genuinely miss all the lectures using these notes instead. This module aims to: Establish a basic appreciation of cellular structures, processes and function Introduce modern techniques in microscopy and cellular investigations To provide the practical skills needed to examine cellular structure and function To provide an appreciation of the use of biochemical and histological skills in biomedical and clinical research laboratories Establish a firm basis for subsequent molecular biology, physiology and biochemistry Indicative content includes:  Introduction to the module aims and learning objectives  The nucleus, structure, organisation  Ribosomes and protein synthesis  Endoplasmic reticulum and the Golgi apparatus  Exocytosis and endocytosis  Lysosomes and peroxisomes  Mitochondria  Cytoskeleton and mobility in eukaryotes  Cell turnover: Mitosis, Meiosis and Apoptosis  Visualising tissues and cells  Epithelial tissue  Connective tissue  Muscle  Nerve  Junctions between cells

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BMS1025 - Cell Biology

Energy
ATP (adenosine triphosphate) is the principle
energy storing molecule of the cell.

The energy is stored in the phosphate bonds.

Breaking these bonds releases energy which can
be utilised to fund energetically unfavourable
unflavoured reactions.

The resulting molecules are:

 ADP – adenosine diphosphate
 AMP - monophosphate
 Inorganic phosphate

To regenerate ATP required energy from
another source.

Other energy storage molecules:



 GTP – similar to ATP. It is used to fund
certain specific processes: translation, nuclear
import e.g.




 Nucleotide-sugars – the last phosphate is replaced with a sugar. Energy is stored in the P-P
and SUGAR-P bonds.
 Carrier molecules – NADH, NADPH, FADH2, Acetyl CoA

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Uploaded on
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Number of pages
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Written in
2016/2017
Type
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