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OCR Biology A LEVEL NEW SPEC- ALL notes AS and A2 +experiments
Notes are made from OCR Pearson textbook and exam papers from OCR board. These notes have everything you need to achieve A/A*. Detailed experiments which can come up on the exams are also included. Notes are for AS and A2 students.
£187.50 Preview RemoveBIO 2133 Genetics Lab Report 1 Polythene Larvae Salivary Glands
This study is a comparative investigation on the morphology of chromosome polytene extracted from Drosophila Virulis larvae and treated under heated and ambient conditions. The study reinforces that there are in fact notable differences in the chromosome structures between the cells that were incubated at high temperature (37 C) and the cells that remained at standard room temperature. The effect of heat tends to provoke pusffs which enlarged chromosomal regions where RNA transcription suddenly escalates due to heat. This phenomenon was characterized by augmented gene expressions when viewed under a microscope. Although the differences in the structures of chromosomes were not utmost due to some ambiguity in identifying chromocenter, the results were still significant – particularly at the level of the alternating pale and dark bands sequences. From the results, the conclusion made was that temperature is a remarkable factor that speeds up the synthesis of RNA on polytene active sites.
£12.50 Preview RemoveOverview of cells, organelles and membrane transport
Covers topics including; - Parts of a cell - The plasma membrane - Lipid bilayer - Membrane proteins - Plasma membrane selective permeability - Transport across the membrane - Osmosis - Tonicity - Primary and Secondary Active transport - Ion channels - Vesicular transport - Cytoplasm - Organelles
£6.25 Preview RemoveBiochemistry common questions and answers
A discussion of important questions and their answers covering portions of biochemistry
£0.50 Preview RemoveBeer Production
This notes include process of beer Production with fermentation process.
£6.25 Preview RemoveBiology STP notes (15+ pages)
Here are some notes on the topic Biology. This contains more that 15 pages of notes.
£3.75 Preview RemoveAntibiotics and resistance
Antibiotics and resistance this is everything you need to know about antibiotics and resistance
£1.00 Preview RemoveBIO 2529 Écologie
BIO 2529 Écologie Introduction à l'étude des systèmes écologiques: la nature des expériences écologiques; les dynamiques de populations; l'exploitation des populations; les processus qui structurent les communautés dans le temps et l'espace; les flux d'énergie et d'éléments nutritifs dans les écosystèmes; la relation entre les structures et fonctions écologiques; les produits et services écologiques. Travaux pratiques sur le terrain et en laboratoire illustrant des processus écologiques importants, principes fondamentaux du design expérimental, l'analyses des données et de l'échantillonnage écologique. BIO 2509.
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