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What is the acceleration due to gravity at the space station.

Overview of types of immune responses. Difference between innate and adaptive immunity. Differences between humoral adaptive immunity and cell-mediated adaptive immunity.

Understanding the structure of a muscle cell

DNA is made up of two strands. Each strand has a backbone made up of alternating sugars and phosphate groups. The two strands are linked by complementary nitrogenous bases. The strands are oriented in opposite directions, making the structure "antiparallel".

Applying Newton's first law to answer some true/false statements about why objects move (or not).

Video 1: Area of a rectangle
Video 2: Examples pertaining to areas of rectangles

Video 1: Area of a triangle
Video 2: Examples pertaining to the area of triangles
Video 3: Common mistakes made when calculating the area of a triangle
Note: Click on the 'back button' to return to the VLE after watching each video

Binary fission, budding, mitosis, fragmentation, parthenogenesis and sexual reproduction.

Solving a word problem to find average velocity and speed of an object in one-dimension.

Introduction to bacteria