How does cancer begin, and why can it get so out of control? Curious young cytologists use an interactive resource to study the cell cycle. After reviewing the background information, individuals go step-by-step through the process of...

In this cell division quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.

What's the difference between body cells and sex cells? Learners explore the question and the process of meiosis using an interactive lesson. An animation describes the discovery of meiosis and describes its phases for a detailed and...

In this cell division quiz worksheet, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.

In this cell division quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.

Cells demonstrate a life cycle like other living things, but what if death was no longer part of the cycle? Learn about the important balance requiring death to continue functioning. An online interactive introduces a group of scientists...

Personalized medicine prevents many trial-and-error scenarios when time counts the most. Learn how gene expression and screening genomes improves health outcomes in cancer patients, those with auto-immune disorders, and more. An online...

In this stem cells learning exercise, students answer multiple choice questions about research found in stem cells. Students complete 5 questions total.

Is understanding the p53 gene the key to kicking cancer? Introduce a most-important protein through a presentation with colorful diagrams, simulations, and brief lectures. Viewers discover how p53 works, the cellular processes it...

Are you an XX or an XY? Budding scientists learn about cellular fertilization and the determination of gender in a thorough online lesson. They follow their study with a set of interactive reflection questions.

In this mitosis quiz instructional activity, students complete an on-line quiz, clicking on questions and matching answers, scoring 1 point for each correct answer. A printed version is available.

In this mitosis phases quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards, scoring 1 point per correct answer. Printable version available also.

In this meiosis phases quiz worksheet, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.

In this chromosomes quiz instructional activity, students complete an on-line game, clicking on questions and matching answer cards and scoring 1 point per correct answer. Printable version available also.

In this biology instructional activity, students read about the parts of plant seeds and look at a seed diagram. They read about the roots, endosperm, embryo, and the process of germination. They answer 8 online multiple choice questions...

For this biology worksheet, students examine a diagram of a flower and read a selection that describes all of the parts including the petals, the stamen, the anther, and the sepals. They answer 11 on-line fill in the blank questions...

Visual representation of prokaryotic cell division compared to eukaryotic cell division.

Cell division is the only way single-celled organisms can reproduce. Learn more about cell division and explore the phases, checkpoints, and protein regulators of the cell cycle in this interactive. Find out how mutated versions of these...

An information sheet where students fill in the appropriate words to complete the page on cell division. Also included on page is diagrams of binary fission and cell division.

See how cell division is essential for healthy growth of an organism, and how complex genetic mechanisms have evolved to switch cell division on and off at the proper time for normal development. [0:50]

Explore the body's immune system to understand how a virus enters the body and how the human body fights against the viruses like the mumps virus and HIV.

Brought to you by Get Body Smart, students can learn about the human nervous system through this easy-to-access tutorial. Sections include Major Organs and Divisions, Sensory and Motor Divisions, Somatic Divison, Sample Somatic Divison...