Curated OER
Elements Found in Living Things
In this elements worksheet, students review the most common elements found in living things. Students color in two pictures with the percentages of the elements found in that living thing.
Curated OER
DNA Blueprint for Life
Students isolate DNA from different food sources. In this biology instructional activity, students research DNA extraction. They analyze DNA stands collected from the lab, and compare the differences between each.
Howard Hughes Medical Institute
Hhmi: Biointeractive: Neuroscience: Tri Nucleotide Repeat
A narrated animation demonstrating a the DNA replication problem, trinucleotide repeat. Video [1:08]
Sophia Learning
Sophia: Structure of a Nucleotide: Lesson 2
This lesson will describe the structure of a nucleotide. It is 2 of 2 in the series titled "Structure of a Nucleotide."
Sophia Learning
Sophia: Structure of a Nucleotide: Lesson 1
This lesson will describe the structure of a nucleotide. It is 1 of 2 in the series titled "Structure of a Nucleotide."
BiologyWise
Biology Wise: Nucleoside vs. Nucleotide
Discusses the characteristics of and differences between nucleosides and nucleotides as well as the significance of each in medicine.
New York University
Model of the Four Nucleotide Bases in Rna
The 3-D model of Cytosine (C), Uracil (U), Adenine (A), and Guanine (G), the four nucleotide bases in RNA. Requires the CHIME plug-in to view the models, or they can be viewed statically in .gif format
Vision Learning
Visionlearning: Biology: Dna Ii: The Structure of Dna
Instructional module focusing on the physical structure of DNA. Discussion incorporates the description of the nucleotides, base pairs, and the double helix shape of a DNA molecule. Site also includes an interactive practice quiz and...
Other
Digital World Biology: Blast Tutorial
A series where students see how to submit a nucleotide sequence, compare it to other sequences using blastn, and interpret some of the results.
National Institutes of Health
Ncbi: The Molecular Biology of the Cell: The Chemical Components of a Cell
Advanced chapter of the book "The Molecular Biology of the Cell" describes and provides illustrations of our most current understanding of the chemical makeup of cells and their components. Explains in detail how electron activity keeps...
CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] Online activity covers the structure and function of nucleic acids. Students will learn about nucleotides, the different types of nitrogenous bases, and the...
CK-12 Foundation
Ck 12: Nucleic Acids
[Free Registration/Login may be required to access all resource tools.] In ths module, discover the structure of a single nucleotide and how that structure leads to the overall structure of DNA and RNA.
BiologyWise
Biology Wise: Codon Chart
Explains the workings of the codon translation chart which provides the keys to the structure of amino acids. Includes a widget where one can input a nucleotide triplet combination and see which amino acid it represents. Includes RNA and...
Khan Academy
Khan Academy: Overview of Translation
Find out how the nucleotide sequence of an mRNA is translated into the amino acid sequence of a polypeptide (protein).
Khan Academy
Khan Academy: Dna Sequencing
Learn how the sequence of nucleotide bases (As, Ts, Cs, and Gs) in a piece of DNA is determined.
Khan Academy
Khan Academy: Rna: The Basics
A website reviewing over the basics of the RNA nucleotide.
Cold Spring Harbor Laboratory
Dna From the Beginning: A Gene Is a Sequence of Nucleotides
Genes are actually a specific sequence of DNA and they have a clear start and stop. Learn about the discovery and sequencing of genes at this site. This multimedia article includes animations, pictures, video, biographical information,...
University of Missouri
University of Missouri: Biotech Adventure: Dna Structure
DNA Helix, DNA structure, DNA bases, Nucleotides, strands of DNA, Bonding in DNA, and bonding between bases are the topics delved into in this thorough site.
Khan Academy
Khan Academy: Nucleic Acids
Discover the structure and function of DNA and RNA, and understand nucleotides and polynucleotides.
Other
Digital World Biology: Blas Ting Through the Kingdom of Life
Use BLAST to identify unknown sequences. GenBank contains over 3 million sequences, with over 14 billion nucleotides. BLAST can be used to compare an unknown sequence to all the sequences in the database, and find sequences that match....
PBS
Pbs Learning Media: Life's Instruction Manual: Interactive Lesson: Unc Tv Science
The human genome serves as an instruction manual for life, with its own distinct letters, alphabet, sentences and chapters. Learn about the genome, nucleotides, DNA and genes with this interactive lesson.
Khan Academy
Khan Academy: Test Prep: Mcat: Biomolecules: Dna: Dna Structure and Function
Provides detailed explanation of DNA's structure and function. Includes illustrations.
BiologyWise
Biology Wise: What Is a Stop Codon?
A stop codon is a nucleotide triplet in messenger RNA that signals the end of a protein during the translation process. Read about how this works, the different types of stop codons, and how a mutation can sometimes occur.
University of Arizona
University of Arizona: Problemas De Macromoleculas
This unit will look at the most common biological molecules. The objective is for you to become familiar with the structures and properties of sugars, lipids, amino acids and nucleotides.
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