Question: The ability of urea diffusing across membranes of red blood cells … I was told that urea can easily penetrate the membrane as they are not present in high concentration inside the cell. If I am mistaken, isn’t urea a large polar molecule? I thought they would be impermeable to […]

Please answer the following questions, you may answer on this sheet or your own paper. 1. How does a theory differ from a hypothesis? 2. Mendel’s laws are illustrated using Punnett squares. In the example below, we are looking at possible alleles for facial dimples where the capital T indicates […]

Discussion: Introduction to Histology Please answer each question in detail and picture is required and references. I need high quality of work/ because I never get full mark in the assignments and remember this is a Histology paper so please make sure you include histology information like description of the […]

Some evolutionary biologists have argued that the neutral theory should be taken as the null hypothesis to explain genetic variation within species or populations and genetic differences among them. In this view, adaptation and natural selection should be the preferred explanation only if genetic drift cannot explain the data. Others […]