What Does the Cell Membrane Do: AP® Biology Review
Introduction Understanding the cell membrane is vital for grasping many core concepts in biology. As … Read more
Test Prep
Plasma Membrane: AP® Biology Review
Introduction The plasma membrane—often referred to as the cell membrane—is one of the most crucial … Read more
Why Cells are Small: AP® Biology Review
Introduction Cells are often called the smallest unit of life. Despite their seemingly tiny size, … Read more
Cell Structure and Function: AP® Biology Review
Introduction Cells are the fundamental units of life, carrying out the myriad processes essential for … Read more
Organelles: AP® Biology Review
Introduction Organelles are the specialized structures that perform essential tasks within cells, much like different … Read more
DNA vs RNA: AP® Biology Review
Introduction DNA and RNA are the fundamental molecules that form the basis of all living … Read more
La Época Medieval : AP® Spanish Literature
On the AP® Spanish Literature exam, students read and analyze key works from this period … Read more
Linear Momentum: AP® Physics 1 Review
Linear momentum is a fundamental concept in AP® Physics 1, governing how objects move and … Read more
Density Formula: AP® Physics 1 Review
Density is a fundamental concept in physics that explains how much mass an object contains … Read more
Circuits Review: AP® Physics 1 & 2 Crash Course Review
Put simply, a circuit is a closed conducting wire loop with some elements in the mix, such as batteries, resistors, and capacitors. Only batteries and resistors are covered in AP® Physics 1; Physics 2 also covers capacitors. In this article, we’ll review the characteristics of circuits, resistors, and capacitors and do some example problems similar to those on the AP® Physics 1 and 2 exams.