Log out Go to App
Go to App

Learning Materials

Features

Discover

Chapter 23: Problem 8

What is a steroid? List some functions of steroids.

Short Answer

Expert verified
A steroid is an organic compound with a characteristic arrangement of four rings. Functions include regulating metabolism, serving as sex hormones, maintaining cell membrane structure, aiding in vitamin D synthesis, and reducing inflammation.

Step by step solution

01

Define Steroid

Explore the chemical nature of steroids. A steroid is a type of organic compound that has a characteristic arrangement of four rings that are joined to each other. These rings include three six-membered cyclohexane rings and one five-membered cyclopentane ring. Steroids are a significant category of biologically active compounds that include sex hormones, anti-inflammatory agents, and vitamins.
02

List Functions of Steroids

Enumerate the diverse functions that steroids perform in living organisms. Some primary functions of steroids include: - Regulating metabolism and immune responses. - Serving as chemical messengers as sex hormones like testosterone and estrogen. - Maintaining the structural integrity of cell membranes. - Assisting in the synthesis of vitamin D in the skin. - Reducing inflammation in tissues, exemplified by corticosteroids like cortisol.

Unlock Step-by-Step Solutions & Ace Your Exams!

  • Full Textbook Solutions

    Get detailed explanations and key concepts

  • Unlimited Al creation

    Al flashcards, explanations, exams and more...

  • Ads-free access

    To over 500 millions flashcards

  • Money-back guarantee

    We refund you if you fail your exam.

Start your free trial

Over 30 million students worldwide already upgrade their learning with Vaia!

Key Concepts

These are the key concepts you need to understand to accurately answer the question.

Organic Compounds
In chemistry, organic compounds are typically characterized by their carbon-based structure, which often includes hydrogen, oxygen, and other elements. Steroids fall into this category due to their unique framework of carbon atoms arranged in four fused rings. This architecture is not only distinctive but is a core feature that determines the actions and properties of different steroids.
Biological Functions of Steroids
Steroids play multifaceted roles within biological systems. They operate as hormones which guide development and reproductive functions. Corticosteroids, a type of steroid, are pivotal in modulating immune responses and managing inflammation. Moreover, steroids contribute to the composition of cell membranes, influencing their fluidity and stability, and assist in the synthesis of vital nutrients such as vitamin D.
Steroid Structure
The steroid molecule is renowned for its four-ringed skeleton, comprising three cyclohexane rings and one cyclopentane ring. This unique configuration is not random; it allows steroids to be highly versatile, facilitating their interaction with various biological pathways. The differences in functional groups attached to this base structure dictate the specific function of each steroid.
Sex Hormones
Among the most well-known steroids are the sex hormones, such as testosterone, estrogen, and progesterone. These hormones are central to the regulation of reproductive cycles, sexual development, and even influence mood and behavior. The proper balance of sex hormones is crucial for overall health, showcasing the importance of steroids in endocrine functions.
Anti-Inflammatory Agents
Steroids such as corticosteroids are vital in medicine due to their potent anti-inflammatory effects. They work by diminishing the body's immune response, which can alleviate symptoms in conditions like asthma, arthritis, and various skin disorders. Importantly, while beneficial, these agents must be used judiciously to avoid potential side effects.
Vitamin Synthesis
Steroids are also essential in the synthesis of certain vitamins, including vitamin D. This steroid-derived vitamin is synthesized in the skin under sun exposure and plays an indispensable role in maintaining bone health by regulating calcium levels. Its significance extends beyond bone health, with implications for immune and neuromuscular functions, which underscores the vast influence of steroids in human health.

One App. One Place for Learning.

All the tools & learning materials you need for study success - in one app.

Get started for free

Most popular questions from this chapter

Draw the structure of a neutral amino acid and its dipolar ion.

What is the difference between a codon and a nucleotide? A codon and a gene?

How do fibrous proteins and globular proteins differ?

Draw structures showing the reaction of glycerol with myristic acid to form the triglyceride trimyristin. Would you expect this triglyceride to be a fat or an oil?

Describe the basic structure of phospholipids and glycolipids. What functions do these lipids have in living organisms?
See all solutions

Recommended explanations on Chemistry Textbooks

Chemistry Branches

Read Explanation

Nuclear Chemistry

Read Explanation

Chemical Reactions

Read Explanation

The Earths Atmosphere

Read Explanation

Ionic and Molecular Compounds

Read Explanation

Kinetics

Read Explanation
View all explanations

What do you think about this solution?

We value your feedback to improve our textbook solutions.

Study anywhere. Anytime. Across all devices.

Sign-up for free