## Oracle Tutoring: Fall 2024

Considering tutoring for the 2024-25 school year? The tutor mentions some details…. Fall 2024, Oracle Tutoring offers a choice: in-person or online. Subjects: math, sciences, English, and more. Students of all ages welcome. Certified teacher.

## Biology: aerobic vs anaerobic respiration

Tutoring biology, respiration is a topic. The tutor compares aerobic with anaerobic. Respiration, on a cellular level, means reacting a fuel (typically glucose) to produce energy. If the reaction depends on oxygen, it’s aerobic; if not, then it’s anaerobic. Curiously, …

## Biology: what is gene therapy?

Tutoring biology, the concept of gene therapy arises. The tutor gives a top-down idea. Gene therapy means changing the genetic profile of an organism in order to promote health. Its motivation is generally grounded in one or more goals: Replacing …

## Gardening: grasshoppers in the yard

Self-tutoring about gardening: the tutor explores the relationship with grasshoppers. It’s been a very active year for crickets (I hear them booming right now) and grasshoppers. This post, I am concentrating on grasshoppers. Noticing so many this year, I’ve been …

## Chemistry: suspension vs dispersion

Tutoring chemistry, definitions and the ideas behind them are important. The tutor compares suspension with dispersion. Suspensions and dispersions are both mixtures in which one phase contains and separates a less numerous one. One difference between them is that with …

## Calculus: trig derivative: product rule or identity substitution?

Tutoring calculus, trig identities can give choices when performing derivatives. The tutor mentions an example. Example: find derivative of y=sinxcosx Solution method 1: product rule (see my post here.) y’ = (sinx)’cosx + sinx(cosx)’ = cosxcosx – sinxsinx = (cosx)^2 …

## Autos: should a spare be kept at driving pressure?

Self-tutoring about autos: the tutor mentions a question he researched today about spare tires. Inspecting a car, I found its spare tire to be at about half the pressure of its driving tires. It was so low I wondered if …

## Food: carrot tops: edible?

Self-tutoring about food and nutrition: the tutor mentions carrot tops. This year a few carrots have arrived in the garden. My wife likes freshly-harvested carrots, so I pulled a few from the ground and brought them in for her. What …

## Windows: the Windows registry, part 1

Self-tutoring about home computer situations: the tutor mentions one YouTuber’s commentary. I have much news to convey – too much for one post. I’ve decided to start with a topic I’ve long wondered about: the Windows registry. My anti-virus protection …

## Animals: garter snake

Self-tutoring about backyard animals: the tutor mentions a welcome encounter. Some years I’ve seen numerous garter snakes in the yard; I think the record is five, from many years ago. In recent years I’ve seen less – none at all …

## Biology: the cell cycle

Tutoring biology (aka life science), one encounters the cell cycle. The tutor summarizes it. The cell cycle is a top-down view of how a cell spends its time. It’s divided into two main phases, interphase (preparing to divide) and mitosis …