1. Genetic Material - DNA and RNA
Structure of Nucleotides
Functions of Nucleic Acids
Humans vs. Chimps
DNA vs. RNA
Nitrogenous bases
DNA Facts
Genes
DNA Hierarchy

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3. DNA and RNA = _________
Which is this?

4. DNA Introduction - See how videos are embedded directly into your slides

5. Nucleic Acid Structure of a nucleotide: A sugar …...................
A nitrogenous base
___________

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7. Function DNA: ___________ Encoded in the structure of the DNA is the
information that programs all the cell’s activities
RNA:
…………………….
________

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9. What is the difference between human DNA and chimps
__________
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………………….
Some are closer than others!!!!

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11. Structure
DNA Recall
DNA: 2 long strands of nucleotide strands wound together to form a double helix
___________
What does this mean?
………………….

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13. DNA Con’t
Base Pairs
4 Nitrogenous bases
___________

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15. RNA Con’t
…………….
Adenine (A)
___________
Cytosine (C)

16. Nucleic Acid Base Pairs DNA nucleotides always pair as follows:
___________
…………..

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18. Nitrogenous Bases
………………….
___________

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20. _____________________________________of one nucleotide and hydroxyl group of carbon 3 on sugar - ………………….

21. RNA Although RNA is single stranded, ___________
When copying the DNA is ………………….

22. Our DNA
A DNA strand is wrapped around special proteins called histones to form a complex we call a chromosome
Our DNA is packaged onto 23 pairs of chromosomes (23 X 2 = 46 total)
The chromosomes are grouped as either autosomal or sex chromosomes
___________

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24. DNA Facts The human genome …………………. There are ………………….
The order of the nucleotide bases contains the instructions for making an organism. Every three bases codes for an amino acid.
The total number of human genes is estimated to be between 20,000 – 25,000
………………….
Less than 2% of the genome codes for proteins.

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26. Genes
___________

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28. Genes
A gene can be defined as a region of DNA that controls a hereditary characteristic.
Genes can be as short as 1000 base pairs or as long as several hundred thousand base pairs.
___________
More genes doesn’t mean more complex

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