Homework Answers
Fats. IV test is used to detect the hydrocarbon chains of lipids. Sudan IV is a highly conjugated aromatic diazo compound, so it is already highly coloured. In the lipid, the sudan IV is basically hydrophobic so it will stain any lipid droplets suspended in water.
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Question 38 Sudan IV, a dye that binds to nonpolar molecules, is used to detect the...
D Question 3 2 pts When and how does the RT-PCR test detect the presence of...
D Question 3 2 pts When and how does the RT-PCR test detect the presence of the virus? After PCR, by adding a quencher dye which is activated when the viral DNA is available in high concentrations During PCR by adding fluorescent primers that are detected through a special laser After PCR, by adding a fluorescent dye which will be activated once the sample goes through a special laser. During PCR, by adding a fluorescent dye and a quencher dye...
Question 39 2 pts To test for the presence of starch, iodine can be used. A...
Question 39 2 pts To test for the presence of starch, iodine can be used. A positive reaction results in a black color. A dialysis bag filled with starch solution and secured on both ends is placed in iodine solution. After 30 minutes the dialysis bag appears black. Based on this information, what most accurately describes what happened? Due to its size and polarity, starch was able to exit the dialysis bag and interact with the iodine solution. Due to...
10 pts Question 38 What kind of graph is used to identify outliers in a set...
10 pts Question 38 What kind of graph is used to identify outliers in a set of data? HTML Edito Question 39 10 pts Find the P value that corresponds to a z test statistic of -2.005 assuming a left-tail test is being done. Round to the nearest thousandth. HTML Editor
Properties of Organic Compounds Found in Cells Name: Blog Section POST-LAB QUESTIONS / HOMEWORK 1. In...
Properties of Organic Compounds Found in Cells Name: Blog Section POST-LAB QUESTIONS / HOMEWORK 1. In addition to performing the Benedict's test on different types of solutions, why is it also performed on water as a control? 2. What is the difference in structure between a polysaccharide and a disaccharide? 3. a. Name two polysaccharides found in plants. b Name a polysaccharide found in animals. 4. All polypeptides are made up of amino acids joined by peptide bonds. What makes...
Puzzles, I need one or two word answer for each question. Thank you An acidic dye...
Puzzles, I need one or two word answer for each question. Thank you An acidic dye will give a ___________ stain. Dye in which the color portion resides in the positive ion. A bacterial cell wall containing only 2-3 layers of peptidoglycan and surrounded by an outer membrane composed of phospholipids, lipopolysaccharide, lipoprotein, and proteins. (2 words) During starch hydrolysis, starch is broken down to __________. Secreted by bacteria into the surrounding environment in order to break down larger nutrient...
QUESTION 38 An HIV positive patient who has recently been prescribed ART, including NNRTI efavirenz, calls...
QUESTION 38 An HIV positive patient who has recently been prescribed ART, including NNRTI efavirenz, calls the prescriber's office and reports experiencing drowsiness and dizziness. An appropriate recommendation by the telephone triage nurse is for the patient to do what? Discontinue all drugs and make an appointment to be seen as soon as possible. Discontinue taking the drug, but continue taking the other drugs in the regimen. Use safety precautions and take the drug at bedtime. Use safety precautions and...
42. Which statement is NOT true about DNA? a) DNA acts like an enzyme by binding...
42. Which statement is NOT true about DNA? a) DNA acts like an enzyme by binding amino acids together using dehydration synthesis. b) Before cells divide both strands must be copied and one is provided for each new cell cm RNA is copied from a piece of DNA termed a gene. d) DNA is not always copied perfectly. Mistakes, mutations, occur and result in changed proteins, e) DNA functions as code for the synthesis of proteins. 43. A section of...
of photosgynthesis and your esperience conducting this experiment in our lab to debes A. A release...
of photosgynthesis and your esperience conducting this experiment in our lab to debes A. A release of oxygen from the plant C Absorbance of CO2 by the plant E Absorbance of the liquid in Use your knowledge R Production of starch by the plant D. Production of sugars by the plant 6t. Whicd of the following best eplains changes in the pH of the liquid in the test of oxygen by the plant is a surgical technique that separatos properly...
29. Which of the following would be synthesized in and processed by the smooth endoplasmic reticulum...
29. Which of the following would be synthesized in and processed by the smooth endoplasmic reticulum and Golgi apparatus? A. lipids and steroids B. DNA polymerase and RNA polymerase C. lysosomal enzymes D. cytoskeletal proteins 30. Which of the following are processed in the Golgi apparatus? A. integral membrane proteins of the plasma membrane B. proteins that are secreted from the cell C. proteins that will be broken down by lysosomes D. all of the above E. none of the...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
D Question 3 2 pts When and how does the RT-PCR test detect the presence of the virus? After PCR, by adding a quencher dye which is activated when the viral DNA is available in high concentrations During PCR by adding fluorescent primers that are detected through a special laser After PCR, by adding a fluorescent dye which will be activated once the sample goes through a special laser. During PCR, by adding a fluorescent dye and a quencher dye...
Question 39 2 pts To test for the presence of starch, iodine can be used. A positive reaction results in a black color. A dialysis bag filled with starch solution and secured on both ends is placed in iodine solution. After 30 minutes the dialysis bag appears black. Based on this information, what most accurately describes what happened? Due to its size and polarity, starch was able to exit the dialysis bag and interact with the iodine solution. Due to...
10 pts Question 38 What kind of graph is used to identify outliers in a set of data? HTML Edito Question 39 10 pts Find the P value that corresponds to a z test statistic of -2.005 assuming a left-tail test is being done. Round to the nearest thousandth. HTML Editor
Properties of Organic Compounds Found in Cells Name: Blog Section POST-LAB QUESTIONS / HOMEWORK 1. In addition to performing the Benedict's test on different types of solutions, why is it also performed on water as a control? 2. What is the difference in structure between a polysaccharide and a disaccharide? 3. a. Name two polysaccharides found in plants. b Name a polysaccharide found in animals. 4. All polypeptides are made up of amino acids joined by peptide bonds. What makes...
42. Which statement is NOT true about DNA? a) DNA acts like an enzyme by binding amino acids together using dehydration synthesis. b) Before cells divide both strands must be copied and one is provided for each new cell cm RNA is copied from a piece of DNA termed a gene. d) DNA is not always copied perfectly. Mistakes, mutations, occur and result in changed proteins, e) DNA functions as code for the synthesis of proteins. 43. A section of...
of photosgynthesis and your esperience conducting this experiment in our lab to debes A. A release of oxygen from the plant C Absorbance of CO2 by the plant E Absorbance of the liquid in Use your knowledge R Production of starch by the plant D. Production of sugars by the plant 6t. Whicd of the following best eplains changes in the pH of the liquid in the test of oxygen by the plant is a surgical technique that separatos properly...
29. Which of the following would be synthesized in and processed by the smooth endoplasmic reticulum and Golgi apparatus? A. lipids and steroids B. DNA polymerase and RNA polymerase C. lysosomal enzymes D. cytoskeletal proteins 30. Which of the following are processed in the Golgi apparatus? A. integral membrane proteins of the plasma membrane B. proteins that are secreted from the cell C. proteins that will be broken down by lysosomes D. all of the above E. none of the...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
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