Biuret test Study guides, Revision notes & Summaries

What is the stinging organelle that assists it in capturing large prey? Trichocyst Which species of amoeba did you observe under the microscope? Amoeba proteus Which experimental group receives the treatment? Control group A solution that tends to release protons is An acid The portion of a phospholipid that contains the phosphate group has one or more electrical charges. That makes this region of the molecule Hydrophilic The Biuret test is used to detect the presence of which group of mac...

AQA A level Biology Exam || Revision Questions & Answers (Graded A+) AQA A level Biology Exam || Revision Questions & Answers (Graded A+) Describe how you would use a biochemical test to show that a solution contained a non-reducing sugar, such as sucrose. [3] - ANSWER - ,first reducing sugars test; boil with dilute HCl acid then Neutralise with NaHCǑ, add benedict and heat to 95 degrees C brick red ppt forms if reducing sugar is present Describe a chemical test you could carry out to sh...

biology lab test #1 Questions and Correct Answers, 2024 scan Which objective lens provides the least total magnification? a coverslip When preparing a wet mount specimen for viewing, the specimen should be covered with... rotating nosepiece The objective lenses of the compound light microscope are attached to the False The total magnification achieved using a 10X objective lens with a 10X eyepiece is 20X. microscope compound light microscope oil immersion Which objective lens provide...

GMU 213 Bio Lab Final Review Latest Update Graded A+ active site a region on an enzyme that binds to a protein or other substance during a reaction. Amylase - Enzyme in saliva that breaks the chemical bonds in starches - found in germinating seeds Amylase turns starch into what? maltose Anton von Leeuwenhoek and Robert Hooke First to use microscopes to study specimen that are smaller than the eye could see. Barfoed's reagent -Detects the presence of ONLY monosaccharide sugar...

Water removed from the reactants Condensation The addition of water to the reactants Hydrolysis Add 2cm³ of food sample (in solution). Add 2cm³ of benedict's Reagent. Heat the solution in a water bath for 3 minutes. Change from blue to brick red. CuO formed Test for Reducing Sugars Add 2cm³ of food sample.Add 2cm³ of dilute HCL then heat.Add 2cm³ of NaHCO3.Then do test for reducing sugars. Non-Reducing Sugars Add drops of iodine to starch solution. Colour change to blue-black ...

USABO Miscellaneous Exam Questions with Correct Answers Ectoderm - Answer-skin nervous system sensory organs cornea, lens adrenal medulla pineal gland epithelial linings of mouth + anus Mesoderm - Answer-notochord (later degenerates) skeletal system muscular system excretory system circulatory system lymphatic system adrenal cortex Endoderm - Answer-epithelial lining of digestive system, respiratory system, urainry system, and reproductive system liver pancreas thymus t...

MT AAB Chemistry Which of the four elements in proteins differentiated this class of substances from carbohydrates and lipids? - ANSWER Nitrogen Which of the proteins is soluble in water? - ANSWER Albumin How are amino acids joined together to form a chainlike structure? - ANSWER Peptide bonding Proteins may become denatured when subjected to mechanical agitation, heat, or chemical treatment. What does denaturation of proteins refer to? - ANSWER Alteration of tertiary structure Whic...

BIOL 1406 Lab Midterm with complete solutionsWhat is the stinging organelle that assists it in capturing large prey? - correct answer Trichocyst Which species of amoeba did you observe under the microscope? - correct answer Amoeba proteus Which experimental group receives the treatment? - correct answer Control group A solution that tends to release protons is - correct answer An acid The portion of a phospholipid that contains the phosphate group has one or more electrical charges. ...

Describe the steps of the scientific method - ANSWER -Observation: Use all 5 senses to see whats going on. -Hypothesis: Make an educated guess about how something works. -Prediction: Assume hypothesis is correct and predict the results. If... then... -Experiment: Test your prediction -Analysis and conclusion: Gather results and evaluate hypothesis Explain the parts of a scientific paper - ANSWER -Title -Abstract: 1 paragraph on what you did, why it's important, and results. -Introducti...

BIOL 1406 Lab MidtermWhat is the stinging organelle that assists it in capturing large prey? - correct answer Trichocyst Which species of amoeba did you observe under the microscope? - correct answer Amoeba proteus Which experimental group receives the treatment? - correct answer Control group A solution that tends to release protons is - correct answer An acid The portion of a phospholipid that contains the phosphate group has one or more electrical charges. That makes this region o...