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5/9 Immune 2 (notes)

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Mr. Bowen

on 11 May 2018

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Transcript of 5/9 Immune 2 (notes)

Biofresh 5/9
As a Table...
Come up with 3 different ideas for a new antibiotic.
Answer the Objective Question:
In one sentence, write how antibiotics kill bacteria, but not humans.
Announcements:
Make your own antibiotic:
- description of how your molecules
harms bacteria
, but
not humans

- image of your molecule killing bacteria and unable to harm human cell
Answer EQ.

What is the acquired immune system?
- Dissecting ??? on Friday

- Office hours today after school.

notes
activity

today:
Life Saver
LOTS of notes!
1) What is the primary function of DNA?
2) Name two effective ways to
prevent the spread of a disease.
3) What do vaccines do?
4) What do antibiotics do?
Sea star/Mussel/Crayfish/Cricket
all make up due 5/25
Immune System NOTES 5/9
What's a Toxin?
A TOXIN is a poisonous substance produced within A living organism.
A toxin can target any biological process...
What have we learned this year?
Living things are made out of cells
Proteins do all the stuff we’ve learned about this year
A toxin can target any of these things
Today, you are creating a toxin that will kill bacteria, but not humans
HOW?
Remember: Snake venom does not harm the snake
Difference between Prokaryote & US...
(bacteria vs Humans)
- Small & simple
- DNA is not protected by nucleus
- Have cell wall
different kind of ribosome
- Large and Complex
- DNA is protected
- No cell wall
- different ribosome from prokaryote
(Don't write)
Caster Oil bean
Botulism bacteria
Acquired Immune System:
- Complex system of many different types of cells and proteins

- Cells make proteins that stay on the surface of their membranes called antigens
- Your immune system uses antigens for identification
- When a pathogen has been identified, the immune system starts making
antibodies
for it.
-
Antibodies:
proteins that attach to
antigens
and mark them for death.
- Then Phagocytes come in and destroy them
Antigens =
anti
body
gen
erator
- After exposure to a pathogen (as long as it doesn't kill you) you keep the antibodies so if you're exposed again, your body will identify and kill it early.
The immune system has 2 parts:
Innate & Acquired
white blood cells
white blood cells
antibody
skin
(type of WBC)
REMEMBER:
DON'T WRITE WHAT'S IN GREEN
Antibiotics!
An antibiotic is a Toxin that kills bacteria, but not us.
Surviving a pathogen gives you immunity to it.
Scientists are always discovering new antibiotics because bacteria are constantly evolving to be immune to them.
we've learned this before.
we've learned this before.
(ricin)
Why do we get allergies??
- Eli & Jasmine M.
Allergies are when you immune system accidentally thinks safe things are dangerous.
Antibody
White Blood Cell
anaphylactic shock
What makes people attractive or not?
- Several students
VS
Dwayne Johnson
Jack Black
Complete your Wall-E assignment.
1) What is the primary function of DNA?
2) Name two effective ways to
prevent the spread of a disease.
3) What is the immune system?
4) What do white blood cells do?
5) What do vaccines do?
6) What do antibiotics do?
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