Q1. Different squamous cells, cuboidal and columnar cells have large, open cytoplasms. Which of the functions of epithelial tissue is support by having such big cells? Q2. All through the millennia in which selective breeding was practice, why did breeders fail to uncover the principle that traits were governed by […]

1. Explain, briefly, why the 10-fold difference in concentration of Na+ across the membrane is important to excitable membranes. 2. How do voltage-gated calcium channels relate to electrical activity of the neuronal vs. sarcolemmal membrane? Concentrate on the differences. Keep your answer brief (3-4 sentences). 3. Why are muscle action […]

At a genetics course, the question asked by the tutor was: “Suppose we perform a combined genome/epigenome-wide association study where we measure the genotype and methylation of a cohort of disease cases and healthy controls. Consider the genotype at a particular SNP X, the methylation at a particular CpG site […]

Question 1 Decondensed chromatin is located within the A.nucleolus during maintenance B.nucleus during cell maintenance C.nucleus during cell division D.nucleolus during cell division Question 2 The evil arch-villain Dr. Black Thumb has created a new plant pathogen. The microbe has an enzyme allowing it to quickly convert ? 1-4 glycosidic […]