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1-In normal cells an RTK receptor that binds to epidermal growth factor is present. When EGF is present in the extracellular space it binds to the receptor and initiates an RTK signal transduction cascade that ultimately tells the cell to undergo mitosis. Describe what would happen to cell division if […]

17. A researcher wants to determine what controls smooth muscle contractility Case 1. First, while keeping other factors constant, he added a drug that specifically activated the activities of Rho kinase. a) what happened to the contractility of the cell? why? Case 2. To do further testing, he separately added […]

You have a solution that is a mixture of two compounds, A and B. The molar extiniction coefficient of substance A at 260 nm and 280 nm is 5248 and 3150 respectively. Compound B has a molar extinction coefficent of 311 and 250 at 260 nm and 280 nm respectively. […]

Q1. Difference between “Spontaneous Generation” and biogenesis theories and the experimental evidence. Define the following: aseptic techniques, pasteurization, germ theory, sterilization describe and give an instance of the binomial naming (two name) system. List in order the higher taxons used in classification (domain, kingdom, phylum, genus, species) List the 3 […]