This presentation covers OCR Gateway Biology 9-1 B1.2.1 DNA
This PowerPoint is a whole lessons included with student activities and animated answers.
- DNA stands for deoxyribonucleic acid.
- DNA is found in the nucleus of cells.
- DNA is packaged into a thread-like structure called chromosomes.
- Humans typically have 46 chromosomes shared from their parents.
- Genes are sections of DNA that code for physical characteristics.
- The structure of DNA.
- DNA is comprised of monomers called nucleotides.
- A nucleotide consists of a phosphate group, a sugar (deoxyribose), and an organic base.
- There are four organic bases: Adenine, A. Thymine, T. Cytosine, C. Guanine, G.
- Hydrogen bonds in DNA.
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