Oxyhaemoglobin Study guides, Revision notes & Summaries

AQA A-level BIOLOGY 7402/3 Paper 3 Question Paper + Mark scheme [MERGED] June 2022 *jun* IB/M/Jun22/E10 7402/3 For Examiner’s Use Question Mark 1 2 3 4 5 6 TOTAL Time allowed: 2 hours Materials For this paper you must have: • a ruler with millimetre measurements • a scientific calculator. Instructions • Use black ink or black ball-point pen. • Fill in the boxes at the top of this page. • Answer all questions in Section A. • Answer one question from Secti...

LAT2 bioc Exam Questions and Correct Answers The percentage oxyhaemoglobin in a haemoglobin solution can be calculated by: using the ratio of absorbances of oxy- and deoxyhaemoglobin at wavelengths where the biggest difference in absorbance readings are observed between the two forms. adding a live yeast suspension to an oxyhaemoglobin solution and observe the change in absorbance by spectrophotometry. measuring the absorbance of an oxyhaemoglobin solution using the wavelength that...

LAT2 bioc Exam Questions and Correct Answers The percentage oxyhaemoglobin in a haemoglobin solution can be calculated by: using the ratio of absorbances of oxy- and deoxyhaemoglobin at wavelengths where the biggest difference in absorbance readings are observed between the two forms. adding a live yeast suspension to an oxyhaemoglobin solution and observe the change in absorbance by spectrophotometry. measuring the absorbance of an oxyhaemoglobin solution using the wavelength th...

AQA A Level Biology: Year 1 -Mass Transport In Animals Why is mass transport important ? of substances across cell membranes It maintains the diffusion gradients which allow the exchange What the adaptations of red blood cells? 1. Small/thin - pass through the narrow capillaries Similar diameter to capillary lumen - short diffusio path 3. Biconcave so they have a large SA:V- haemoglobin is close to the surface 4. No organelles so they can carry more haemoglobin Describe the ...

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Capsule (slime) - ANSWER Protects the bacteria from attack by cells of the immune system. Flagellum - ANSWER Rotates to make the cell move. Viruses - ANSWER Acellular. Invade and reproduce inside the cells of other organisms. What is magnification? - ANSWER How much bigger the image is that the specimen. What is resolution? - ANSWER The ability of the microscope to distinguish between two points that are close together. Light/optical microscopes - ANSWER Uses light. Max resolut...

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LAT2 bioc Exam Questions and Correct Answers The percentage oxyhaemoglobin in a haemoglobin solution can be calculated by: using the ratio of absorbances of oxy- and deoxyhaemoglobin at wavelengths where the biggest difference in absorbance readings are observed between the two forms. adding a live yeast suspension to an oxyhaemoglobin solution and observe the change in absorbance by spectrophotometry. measuring the absorbance of an oxyhaemoglobin solution using the wavelength that cor...

BTEC Level 3 Animal Management - Animal Biology Question and answer rated A +urine storage - the bladder can hold up to one pint of urine comfortably - Bladder has three layers. Epithelial, Muscular and Fibrous the ureter - small tube about 25cm long - carries the urine from the renal pelvis to the urinary bladder - layers are fibrous, muscular and epithelial loop of henle - sodium and chlorine ions are actively transported out of the ascending limb which reduces water potent...