Tutoring biology, you might be asked about food irradiation. The tutor briefly talks about it. Food irradiation is a preservation method that exposes food to radiation to kill organisms that might cause spoilage. A question I had was, “Why doesn’t …
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Tutoring biology, insulin is bound to come up. The tutor shares a discovery he made today. Apparently, not all body cells require insulin to import glucose from the blood. I first read that brain and liver cells don’t. Next, I …
Biology: cells that don’t require insulin to import glucose Read more »
More nutritional self-tutoring: the tutor continues about comparisons between carbohydrates. In my last two articles, here and here, I discuss simple vs complex carbohydrates, then the glycemic index, respectively. The original talking-point of this series of articles is that we …
Lifestyle: carbohydrates, part 2: simple, complex, and the glycemic index Read more »
Tutoring school subjects, the glycemic index might rarely be mentioned. In other contexts it’s important. The tutor briefly explains the glycemic index. In yesterday’s post I began about carbohydrates from a dietary point of view, discussing the difference between simple …
Lifestyle: carbohydrates, part 1: what is the glycemic index? Read more »
Nutrition involves constant self-tutoring. The tutor brings up carbohydrates. We typically hear the notion that we should steer away from simple carbohydrates, towards complex ones. That very direction implies a question: What is the difference between simple and complex carbohydrates? …
Lifestyle: carbohydrates, part 0: simple vs complex, from an eater’s point of view Read more »
Plant identification means constant self-tutoring. The tutor shares a recent lesson. I’ve noticed this perennial in the yard since I can remember: Apparently, it’s a knapweed. Source: wikipedia Jack of Oracle Tutoring by Jack and Diane, Campbell River, BC.
Tutoring biology, non-competitive inhibition may be mentioned. The tutor explains it. In yesterday’s post I explain competitive inhibition. Non-competitive inhibition is similiar to competitive inhibition in that it hinders enzyme function. The difference is that, with non-competitive inhibition, the inhibitor …
Tutoring biology, you might be asked about competitive inhibition. The tutor explains it. In my November 25, 2013 post, I explain what an enzyme is. Simply put, an enzyme is a biological catalyst that the body uses to speed up …
The tutor gives a brief idea about prions. In the body, a protein’s function depends on its shape. A prion is a molecule that can misshape a protein so it no longer functions properly. The cell that uses that protein …
Biology: What is a prion? What is a prion disease? Read more »
The tutor identifies a London planetree. A London planetree is a hybrid between American sycamore and Oriental planetree. (The Oriental planetree is a sycamore as well.) London planetree’s leaves are similar to American sycamore, but its fruits come in strings …