Video: what are enzymes and how they work.
Watch this video and write down the names of the enzymes which break down carbohydrates, protein and fat molecules in the  foods we eat.

The Author

Professor N.A. Michael Eskin

Department of Human Nutritional Sciences,

 Faculty of Agricultural and Food Sciences,

University of Manitoba, Winnipeg,

MB R3T 2N2, Canada

Watch the rap video and fill in the gaps

A Lipid Rap

Without lipids we can’t______ 

They help the _____ in our bodies stay alive

They control what enters and what _________

By the________ the phospholipids in the membranes interweaves

Adipose tissue comes from _________ we eat

It covers our bodies and regulates ________

Without it we would constantly ________

That’s why ______ is also made in the liver

 The lipids in the ________ keeps camels alert

So they can travel for ________in the hot dry desert

Lipids are also the sole _______ I’ve heard

For hibernating _________and migrating birds

Cholesterol, cholesterol gets all that bad __________

Without you there would be no___________ digestion

They are needed in the bile to emulsify the _________

So the_________ gets all those polyunsaturates 

Without ____________ where would we be?

When the sun shines you make vitamin ___

Without it we would all ___________ from rickets

Bow legged and ___________ like a bunch of crickets

 Cholesterol, cholesterol, we __________you real bad

Without you we wouldn’t be a mom or_______

You make those sex __________ we can’t do without

So ____________ continues when we seniors all die out

Besides the ____________ of vitamin D

Lipids also carry A, K and ______

Vitamin ________tries to stop oxidation

While without K there’s no clot __________

 Yes some lipids are really bad for you

So make sure your diet has very ________

No _______ fats as they raise your______

And less saturated fats to keep your body well 

So my friends not all lipids are bad

As omega-___fatty acids must be had

Everything in your diet must be done in ____________

To prevent ___________, high blood pressure, and even constipation

Hydrogenation: transform liquid oil into solid fat. Watch this lab experiment demonstrating how margarine is made.

Article 1. Published study about the health effects of GMO food.

Homework 3.
After you watch 2 videos below, click on the the link above and read the article. Write down the main idea of the article in your own words. It shouldn't be more than a phrase or a sentence.