# Pregnenolone Synthesis Tutor — Endocrinology & Physiology

> Endocrinology & Physiology (iPhone/iPad app by Joseph Kodet.)

- Source: https://appshunter.io/ios/app/pregnenolone-synthesis-tutor/id1247078699 (this page in markdown: same URL + `.md`)
- Developer: [Joseph Kodet](https://appshunter.io/developer/1185360976)
- Category: Education, Medical
- Price: $1.99
- Age rating: 4+
- Requires: iOS 10.3 · 23 MB
- Languages: English
- Released: 2017-06-12
- Data updated: 2025-02-08
- User reviews in markdown: https://appshunter.io/ios/app/pregnenolone-synthesis-tutor/id1247078699/reviews.md

## What is Pregnenolone Synthesis Tutor?

Pregnenolone Biosynthesis Tutor is an app designed to help you memorize the structures, coreactants, byproducts, enzyme and steroid chemical structure nomenclature. These chemical reactions describe the conversion of cholesterol to pregnenolone. 

Pregnenolone is the starting molecule and reactant in a series of chemical conversions of steroid molecules that lead to the synthesis of critically important hormones for endocrinology or physiology such as Cortisol, Aldosterone,  Progesterone, Testosterone, and Estradiol.

This app will be a helpful study aid for your exams concerning these structures and reactions for your Endocrinology or Physiology or Biochemistry courses.


## Version history (last 5 releases)

### 1.2 — 2020-06-08

internal code rewrite, full screen restoration due to iOS changes, minor graphics improvements, addition of a menu

### 1.1 — 2018-09-12

change of method for prompting order of biosynthesis by structure, other minor improvements

### 1.0.3 — 2017-07-03

improved handling of accidental extra button touches for biosynthesis hormone ordering questions. Also inclusion of an additional quiz question about ordering of biosynthesis using structures.

### 1.0.2 — 2017-06-19

minor internal improvement

### 1.0.1 — 2017-06-15

improved highlighting of correct and wrong answers

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## More apps by Joseph Kodet

- [Citric Acid Cycle Tutor](https://appshunter.io/ios/app/citric-acid-cycle-tutor/id1185360977)
- [Glycolysis Glucogenesis Tutor](https://appshunter.io/ios/app/glycolysis-glucogenesis-tutor/id1190613837)
- [Pentose Phosphate Paths Tutor](https://appshunter.io/ios/app/pentose-phosphate-paths-tutor/id1196449524)
- [Amino Acid Codons Tutor](https://appshunter.io/ios/app/amino-acid-codons-tutor/id1198324981)
- [Electron Transport Chain Tutor](https://appshunter.io/ios/app/electron-transport-chain-tutor/id1207414830)
- [Photosystems Tutor](https://appshunter.io/ios/app/photosystems-tutor/id1210779550)

All apps by Joseph Kodet: https://appshunter.io/developer/1185360976

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2025-02-08.*