Tutoring biology, everyday questions surface. The tutor shares the meaning of GMO. GMO (noun): Genetically Modified Organism An organism whose DNA contains sequences from more than one species. Although this individual may have arisen by natural reproduction, either it, or …
More lifestyle tutoring: the tutor continues to research cholesterol. Perhaps many of us have heard that HDL is the “good” cholesterol, while LDL is the “bad”. What’s the difference? HDL: collects cholesterol from the blood and conveys it to the …
Tutoring biology, terminology is so important. The tutor gives a definition of the term basement membrane. basement membrane: a boundary layer that fastens overlying epithelial tissue to connective tissue beneath. The basement membrane comprises glycoprotein from the epithelial tissue, with …
More lifestyle self-tutoring: the tutor shares a few facts about vitamin K. I didn’t hear much about vitamin K as a kid. It can be found in multivitamins and I notice it in literature. Vitamin K is fat-soluble. It promotes …
Organic groundskeeping leads to self-tutoring. The tutor defines two terms connected with composting. In a properly functioning ecosystem, nutrients are constantly recycled – they are used by one organism, then released back to the soil to be retaken by another. …
Biology, composting: immobilization vs mineralization Read more »
Tutoring biology, you deal with organic molecules. The tutor mentions the difference between lignin and cellulose. Cellulose and lignin are both found in cell walls. Cellulose is composed of many glucose units bonded together. Lignin, on the other hand, consists …
Biology, chemistry: the difference between cellulose and lignin Read more »
Tree identification leads to more self-tutoring. The tutor mentions a find of an amur corktree in Victoria. Nowhere seems better than Victoria to find particular trees. Down there last weekend, I had very little opportunity to tree-hunt. Yet, a few …
Tree identification: amur corktree (Phellodendron amurence) Read more »
Tree identification leads to self-tutoring. The tutor shares a find from Victoria. Down in Victoria the weekend, I noticed a tree with fan-shaped leaves. I believe I saw one or more right downtown, around the Government/Yates area. I suppose the …
Tutoring biology, diseases are mentioned. The tutor names perhaps the most contagious one. Measles is potentially the most contagious disease among humans. In particular, all children in a natural, unvaccinated population will catch it.1 When I was a kid, I …
Biology: what is the most contagious disease among humans? Read more »
Tutoring science, you accompany people along investigations. The tutor shares one of his own. I’ve always suspected that, when an apple is touching the ground, it’s likely been attacked by pests, so best left alone. This growing season our apple …
Lifestyle: more about apple picking: are apples touching the ground still good? Read more »