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Letter Frequency Analysis to break codes

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Letter Frequency Analysis to break codes

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https://www.mtholyoke.edu/courses/quenell/s2003/ma139/js/count.html

https://www.dcode.fr/frequency-analysis

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How did people hide messages before computers? Cipher Wheel:

http://inventwithpython.com/cipherwheel/

Very closely related to modular arithmetic. Think clock arithmetic, but you can cycle by another number like 26 (on the cipher wheel) instead of 12.

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https://crypto.interactive-maths.com/monoalphabetic-substitution-ciphers.html

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Compared to human DNA ...

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...inside the cell

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Gene: a discrete unit of hereditary information -- a stretch of DNA in a chromosome

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LCT: Lactose
ABO: ABO blood group
ADH: Alcohol dehydrogenase
ACE2: Angiotensin Converting Enzyme 2

Do you know any other genes that may affect the health and behavior of a human being?

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A, C, G, T
-- four letters that make up the DNA sequence
An example of a 21-letter DNA sequence: CACGTGGACTGAGGACTCCTC

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Try making up a DNA sequence of your own, using any combinations of "A, C, G, T."  Then find out whether it matches any DNA or gene that we know on earth!
Use the BLAST search engine --
https://blast.ncbi.nlm.nih.gov/Blast.cgi?PROGRAM=blastn&PAGE_TYPE=BlastSearch&BLAST_SPEC=&LINK_LOC=blasttab&LAST_PAGE=blastn

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align two sequences using blast (bl2seq)

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Nucleotide BLAST: Search nucleotide databases using a nucleotide query

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BLASTN programs search nucleotide databases using a nucleotide query. more...

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Do you have a favorite gene, of humans or other life forms (on earth, if possible)? Let me know on Thursday 4/15. See you then!

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Do you have a favorite gene, of humans or other life forms (on earth, if possible)? Let me know on Thursday 4/15. See you then!

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"What's a Rube Goldberg Machine?"
https://en.wikipedia.org/wiki/Rube_Goldberg_machine

Forces and Newton's Laws:
https://en.wikipedia.org/wiki/Newton%27s_laws_of_motion

Simple Machines:
https://en.wikipedia.org/wiki/Simple_machine

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Honda Commercial:
https://www.youtube.com/watch?v=_ve4M4UsJQo

Sandwich Machine
https://www.youtube.com/watch?v=mm1NfUUCJgc

Newton Vs. Goldberg:
https://www.youtube.com/watch?v=HnnMOx9_eBY

Newton Vs. Goldberg Behind the scenes:
https://www.youtube.com/watch?v=Gjea-nE-ZBM

Ok Go Music Video:
https://www.youtube.com/watch?v=qybUFnY7Y8w

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I learned about chromosomes and genes. Also mice have 20 pairs and humans have 23 pairs of chromosomes. Fruit flies have 4 pairs.

-KM

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I learned about the app Rapunzel, it can be a great resource for high school and college schools. Diversifying and taking your time are great things to remember when going into stocks! Invest alongside bigger companies. Great Lesson!
-S.S

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You should invest in the S&P 500 because it's low risk and they're pretty constant rather than just investing in one single company where it's more high risk. M.G.

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One thing I learned is that there are many ways a message can be decoded. An easy way is indicating a message is by looking for any single letters that can be almost anything. Such as an "e" and be an "i" in english language or even an "a".
J.S.A

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I found out the humans have 46 chromosomes!

-JS

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Same of How computers Encrypt using a Shift Cipher

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Same of How computers Encrypt using a Shift Cipher

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Try to encrypt the message at the bottom of this picture!

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Examples:
https://www.tiktok.com/@patrickhanson17/video/6879558924274535685?lang=en&is_copy_url=1&is_from_webapp=v1

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Check out Ms. C's partner!

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I learned how a Shift cipher and a Affine cipher are completely different. Shift cipher is a basic one if you want to keep something secret from someone but its easy to find out what it is. An Affine cipher is more complicated, it has more keys that can be used and will take a while to find out what that person is hiding. An easy way to find out what they are hiding is using a chart that has the percentages of the letters that can be used in someone text.
- J.S.A

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I learned about gene mutations and how some mutations can be good, bad or do nothing.

-KM

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We learned about mortgages and buying a home today. Due to the pandemic, landlords are not allowed to evict tenants. Valuable factors to consider are interest rates, income taxes, etc.
-S.S

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You can borrow money to buy a house up to 95% of its value; You just need to have 5% of its worth for the down payment M.G.

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What are Genes

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What are genes? | Animation | Minute to Understanding | The Jackson Laboratory

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'X-Men: Dark Phoenix': How Genetic Mutation Works In The Real World | Mach | NBC News

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What's your version of the lactose gene?

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What's your version of the lactose gene?

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The Evolution of Lactose Tolerance — HHMI BioInteractive Video

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Do you have a favorite gene, of humans or other life forms?

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http://hyperphysics.phy-astr.gsu.edu/hbase/Mechanics/simmac.html

http://hyperphysics.phy-astr.gsu.edu/hbase/Mechanics/incline.html

http://hyperphysics.phy-astr.gsu.edu/hbase/Mechanics/lever.html

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https://www.youtube.com/watch?v=XEOB-iL-5VM&ab_channel=MrCarrellScience

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Blending theory with experiments is one of the best ways to make predictions. Emotions and knowledge are immense factors in people investing. Investing in stocks you enjoy is a solid way to invest because the public will be interest in those products if it is mainstream.
-S.S

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https://lapipette.com/vaccine_cards

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https://docs.google.com/presentation/d/1b6AilBeMezDVMV-JTGdZVk2SU-NUupymQM937FE5c2s/edit#slide=id.gd3e3c0ee00_1_70