Determine the number of possible genetic codes. Class members are challenged to determine the number of possibilities of a genetic code that is 20 bases long. They continue to explore the average lengths of broken RNA molecules.

With AP Biology remaining the most popular AP science exam, many teachers need help preparing. The College Board offers the actual free-response questions from the 2017 test covering pollination, germination, and more. Scholars learn the...

A remarkably high number of scholars passed the AP Biology exam in 2016 with over 61 percent earning college credit. The College Board released the entire free-response section for future scholars to study. After answering the eight...

What is the best way to prepare for an AP® exam? Learners become familiar with the AP® Biology exam by completing a full-length practice exam. The AP® test prep by the College Board contains multiple choice, grid-in, and free-response...

Eighteen questions ask pupils whether certain behavior or trait is based on nature or nurture. Scholars take a quiz, reflect on their answers, then challenge a friend or family member to complete it.

Read the passage and study the graphics concerning Melting Point and Thermodynamics of Double-Stranded DNA and then answer the five question quiz.

Read a passage about kinetics and DNA replication and answer the follow-up questions.

Read a passage about using optical traps to manipulate single DNA strands and answer the follow-up questions.

Practice for the MCAT with these questions pertaining to DNA technology.

Practice for the MCAT with these questions on DNA.

Four self-checking quiz questions over DNA complete with quick, click-able hints.

Try this quick, five question comprehension check over DNA, RNA, and protein. Each question has a hint available, as well as a self-checking feature.

Try these five self-checking quiz questions over DNA technology. Click on hints to see information about each question.

Take an interactive quiz over DNA. After completing the quiz, check your score, and then revisit any incorrect question for further review.

This is a 5-question quiz based on the passage "The "Speed Limit" of DNA Polymerase."

Read a passage about recombinant DNA technology and answer the follow-up questions.

Try this quiz about DNA and evolution.

Take this interactive, multiple-choice quiz over the molecule of life, DNA. Then review your score and any missed questions at the end.

Five multiple choice questions over DNA replication. After the quiz, the self-checking feature allows students to see which were the correct answers.

Read a passage about recombinant DNA and cloning and answer the follow-up questions.

Discover what you know about DNA by taking this post test.

Discover what you know about DNA by taking this pre-test.

A worksheet and comprehensive notes covering DNA and Nuclear Division.

A quiz question from a larger online quiz that tests your knowledge of DNA replication. You can choose to skip right to the tutorial by clicking the button on the bottom.