If you’re studying biology, the concept of mitosis is pretty unavoidable. Mitosis is part of the cell cycle, and studying how cells work makes up a huge portion of any biology class. It’s safe to say you’re going to need some working knowledge of mitosis if you’re looking to breeze through any biology-related course or exam. 

Here’s what we’re going to cover in this article so you’re up to speed on the purpose of mitosis, how the process of mitosis works, and why mitosis is important to know about. We will:

• Answer the question, “What is the purpose of mitosis?” (definition and explanation of the importance of mitosis included)
• Description of the 4 phases of mitosis
• Review the similarities and differences between mitosis and meiosis
• Our top three tips for studying and memorizing the stages of mitosis, and
• Three resources for further learning about mitosis!

And, now, let our journey through the world of mitosis begin!

If your SAT is only a few weeks away, you're asking a different question than students who start preparing months in advance.

You're not looking for a 100-hour prep program.

Instead, you want the fastest way to improve your score before test day.

That's where SAT crash courses come in.

This guide covers the best online SAT crash courses available in 2026. We compare the top live, instructor-led options from PrepScholar, The Princeton Review, Kaplan, and Prep Expert. We break down exactly what you get, how much you pay, and which program is the right fit for your timeline, score goal, and budget.

You've likely heard people talk about carbohydrates or carbs, whether it be on TV or in your day-to-day life. But what exactly are carbs? What are examples of carbohydrates, and why do so many people try to limit them in their diets?

Here, we'll explain how carbs work and give you numerous examples of complex carbohydrates, in addition to examples of simple carbohydrates.

In case you haven’t heard, according to Taylor Swift, spelling is fun! But if Taylor’s word isn’t enough to convince you, we’ve come up with a list of ways that playing spelling games can actually improve your spelling, including examples of 10 spelling games that are excellent options for kids, adults, or anyone who wants to improve their spelling skills! (Don’t worry: the possibilities for spelling games go way beyond Scrabble.)

How do you read 4,349,394.382? What does each digit mean? How do you know what number means what?

With place values, that’s how! If you don’t understand how decimal place values work, a number like that can look like a bunch of nonsense. In this article, we’re going to cover what place value is, why you need to know it, and how to work through place value problems to better understand large, complex numbers with ease.

Ever seen a picture of a flapper girl and wondered: what is a flapper exactly? How did the flapper movement begin? Read on to get a comprehensive flapper definition and history, as well as an analysis of how the flapper movement continues to impact society today.

Mark Twain has been a household name since the nineteenth century. Known for the bestselling adventures of Huckleberry Finn and Tom Sawyer, Twain has also gained popularity for the pithy words of wisdom he shared.

Looking for games that your toddler will both enjoy and gain important skills from? We’ve got you covered! In this guide, we go over 11 of the best toddler learning games. These educational games for toddlers can be played with few materials, one or more children, and toddlers of varying age ranges. For each game, we explain what skills it will teach toddlers and give instructions on how to set up and play the game.

Can’t get enough of physics, calculus, or computer science? Then a career in STEM sounds like it'd be the perfect fit for you. In this comprehensive guide, we go over the top 10 STEM careers and give you an even more extensive STEM careers list of more than 100 jobs. We'll then wrap up with a step-by-step guide to getting a STEM career.

But first, what exactly is STEM? And what is a STEM career?

You’ve likely seen the word "recurring," but what about "reoccurring"? Is this word just a synonym for the former, or does it mean something different? In actuality, there's a lot to learn when it comes to reoccurring vs recurring.

Read on to get more information about the similarities and differences between these two words, what they each look like when used in writing, and how you can know when and how to use them.

What’s a googol, and does it have any relation to that similarly-named website? And what about a googolplex, how many zeros does it have? In this guide, we’ll give you googolplex and googol definitions, show how you can write them out, explain how they’re useful, and give examples on how you can start to understand huge numbers like these.

Everyone knows that scores on the SAT can make or break your college admissions chances, but can they measure your innate cognitive abilities? What do they really say about your potential?

In this article, I'll tell you what SAT scores can and can't measure and provide advice about when you might use them to estimate your own capabilities.

Dogs are cute! Who hasn’t taken a moment to doodle their favorite pooch on the side of their paper before? But like many animals, dogs can be hard to draw well, especially from memory.

If you are trying to up your drawing skill, this guide for how to draw a dog is for you! We’ll cover all the basics of learning to draw animals and dogs in particular, and walk you through drawing a dog step by step.

If you’re interested in studying a field such as biology or computer engineering, knowing how to convert nanometers to meters (or nm to m) will be a vital skill to have.

In this guide, we'll go over exactly what a nanometer is and what it measures. We’ll then give you three methods you can use for converting nm to m. Finally, we’ll provide you with a chart that shows various conversions from nanometers to millimeters, centimeters, decimeters, and more.

Your ACT is coming up soon. How can you prepare for it?

Whether you have a few weeks or just a few days, the right ACT course can make a real difference in your score, but if you choose wisely.

This guide covers the best online ACT crash courses available in 2026. We compare the top live, instructor-led options from PrepScholar, The Princeton Review, Kaplan, and Prep Expert and break down exactly what you get, how much you pay, and which program is the right fit for your timeline, score goal, and budget.

We also address one of the biggest questions facing ACT test-takers right now: should you prep for the optional Science section?The Enhanced ACT, which rolled out fully in 2025–2026, made Science optional for the first time in the test's history, and different prep programs have handled that change in very different ways.