Starting with a diagram of the kidneys and urinary tract of the human, this sheet has questions about excretion, blood concentrations of hormones, gland feedback mechanisms and the effects of some hormones.

Beginning biologists demonstrate their grasp on cellular respiration, photosynthesis, and energy flow though ecosystems when completing this worksheet. Fifteen multiple choice and short answer questions test their knowledge. Because of...

Students are often confused by the huge amount of information and detail that can be learned about respiration.  This is a great presentation summarizing the main 4 stages of cellular respiration. It is clear and uses diagrams and...

After giving basic details about the properties of carbon, some of the common functional groups and molecules are featured. There is some information about specific functions and impact on the human body. The diagrams are helpful and...

You can use these slides to explain the many complicated steps of the Polymerase chain reaction. The diagnostic and forensic uses of gel electrophoresis are detailed. This PowerPoint could be used to communicate facts, and also to...

An excellent review of the very specific stages of mitosis, the detailed slides start with explanations of the directionality of DNA and then develop the concept of daughter strands. The intricate diagrams are intended for experienced...

The main concepts behind how ATP transfers energy are explained in this Ap Biology PowerPoint. The diagrams convey the information that students need for any test regarding phosphorylation. The steps are clear, and should help...

Ten reactions involved with the process of glycolysis within cellular respiration are summarized here. The aerobic stages and anaerobic interactions leading to fermentation are detailed and wonderful diagrams to support the information...

The feedback mechanisms of metabolism of a variety of substances in the human body. Carbohydrates, lipids, amino acids, and their derivatives are explained. The biochemistry required to explain the metabolic balance and feedback controls...

Each of these slides deals with an individual organelle and displays a diagram along with labels of the structures. The most useful components of this slideshow are the summaries of functions and descriptions of how the organelles are...

Can your biology class crack the Case of the Crown Jewels? Junior forensics experts try their hands at DNA restriction analysis in an exciting lab activity. The lesson introduces the concept of restriction analysis, teaches pipetting and...

Scientists work every day to find solutions to genetic diseases. Scholars learn about the process of gene sequencing, mutations, and the results. They explore genetic diseases and therapies to intervene and help and, through case...

The human body contains more than 200 types of cells, and plants contain many other unique types of cells. While a huge variety of cells exist, they appear to have very similar structures. A detailed presentation describes the structure...

Does a protein or DNA store genetic instructions for life? Follow the research from the 1920's experiments on mice through the 1940's experiments on bacteria to learn the answer to the difficult question. Scholars use an online...

HIV mutates rapidly, making treatments challenging to find. Scholars learn about why it mutates so quickly and how scientists race to find treatments. The resource approaches the issue from both a molecular and evolutionary perspective...

Students experience a "hands-on" activity to get visual evidence of the physical nature of DNA and the process of DNA purification. They explore one method of chromosomal DNA isolation and DNA extraction.

What does it take to produce all of the proteins that make up a living organism? An amazing series of events! Biology novices review the steps of protein synthesis by breaking down transcription and translation in detail. Colorful...

Information about digestion of various food components is given in this PowerPoint. The diets of herbivores and carnivores are compared, and there are many diagrams giving details of their digestive system specializations. The...

Vocabulary that is essential to this topic is introduced and defined at the start of this slide show. The following slides help students understand proteins and their use and involvement in everyday substances. Great diagrams help your...

As long as you have some support information to answer questions that may come up from students, this is an excellent PowerPoint to cover almost all aspects of protein structure and ionization. The sequence of slides has great...

Cell division and all the biological aspects of activation and chemical signals are detailed here. Cyclin, G phases, cell growth, and cancer checkpoint control systems are explained and the triggers listed. The slides are very clear and...

Help your students understand cell division. Explore the topics of mitosis by examining the details of chromosomes at interphase, metaphase, anaphase, prophase, and telophase. Wonderful slides will keep your students' attention...

Supplementing the review of mitosis and meiosis, the detailed slides give information about growth factors, cell communication, and regulator genes. A fascinating topic, your class will be inspired by the applications and developments of...

After viewing this presentation, students create a complete set of notes to support their learning of DNA replication. Each slide has information on a step in DNA synthesis process. The slides focus primarily on the processes rather than...