Question 4. You are analyzing cells that you have grown on coverslips and fixed. What method would you use to determine where in the cell a protein is located? A. Western blot B. SDS-PAGE C. Microarray D. Immnocytochemstry E. Single cell RNA sequencing

Please answer the following question and explain Q1. If MacLeod and McCarty had accidentally contaminated their RNase enzyme with DNase, how would this have changed the conclusion that they made from their experiments? Pick the correct letter option A. They would have concluded that DNA is the only molecule required for genetic transformation. B. They would have concluded that DNA and protein are both required for genetic transformation. C. They would have concluded that RNA is the only molecule required for genetic transformation. D. They would have concluded that RNA and DNA are both required for genetic transformation. E. They would have concluded that proteins are the only molecules required for genetic transformation

1. Benedicts test is used to identify reducing sugars. What is the correct principle? A. Heating of simple carbohydrate is 5. A technique in genetic testing in which DNA fragments are amplified to more useful. added with Copper (II) forming copper (1) oxide which is an orange/ brick red complex. A. Restriction endonucleases B. Cloning C. Probes D. Southern blotting B. Polviodide ions is added to carbohydrate forming a black colored absorption complex, dextrin. C. Carbohydrate is added to H2504 6. The wrong monosaccharide combination undergoing dehydration and creating is. A. Sucrose = Fructose + galactose B. Lactose = galactese + glucose C. Maltose = Glucose + glucose D. All of the above. furfural which is combined with alpha naphtol creating a purple colored complex. D. None of the above. 7. Arrange the correct sequence in southern 2. What reagent is added to a sugar- jovertass solution in order to quantify its reaction seectrophotometrically? A. Benedict's solution. B. Biuret's…

Which of the following statements best describes the function of SDS in western blotting?   Select one: A. It gives proteins a net positive charge.   B. It can solidify polyacrylamide gel.   C. It can form a colored product with proteins.   D. It allows the transfer of proteins from polyacrylamide gel to nitrocellulose membrane.   E. It can linearize protein molecules.