Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space...

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Chemistry Chapter 2

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Transcript of Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space...

Page 1: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Chemistry

Chapter 2

Page 2: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Living organisms are made up of matter.

matter = anything that occupies space

and has mass

chemistry = the study of matter and changes in

matter

therefore understanding chemistry is essential to studying biology

Page 3: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

In order to understand the whole, biologists study the parts (reductionism)

Page 4: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Here is an example of this

A. Molecule: Actin Atom

MyosinActin

B. Organelle: Myofibril (found only in muscle cells)

Myofibril (organelle)

C. Cell and tissue: Muscle cell within muscle tissue

Rattlebox moth

D. Organ: Flight muscle of a moth

Page 5: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

In order to understand the whole, biologists study the parts (reductionism)

Each level of organization in the biological hierarchy builds on the one below it.

At each level, new properties emerge.

Page 6: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

96% of the mass of a human consists of 4 elements…

oxygen (O) 65%

carbon (C) 18%

hydrogen (H) 10%

nitrogen (N) 3%

Page 7: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

The remaining 4% consists of these 7 elements…

calcium (Ca)

magnesium (Mg)

sodium (Na)

potassium (K)

chlorine (Cl)

phosphorus (P)

sulfur (S)

Page 8: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
http://www.google.ca/imgres?imgurl=http://www.thachers.org/images/endemic_goiter.jpg&imgrefurl=http://www.aaymca.com/goiter-aaymca-dot-com-20100827/&usg=__KNozDG4WcO6Mn7YW6UWXY_ZC3_8=&h=852&w=616&sz=48&hl=en&start=5&zoom=1&um=1&itbs=1&tbnid=BvjeSTRSN6XaRM:&tbnh=145&tbnw=105&prev=/images%3Fq%3Dgoiter%26um%3D1%26hl%3Den%26safe%3Dactive%26sa%3DN%26rlz%3D1R2ADSA_enCA395%26tbs%3Disch:1
Page 9: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

There are 14 other elements that are found in the body in teeny tiny amounts, but are absolutely essential.

iron (Fe)

iodine (I)

Page 10: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Question

Why don’t you see people in Winnipeg with goiters?

Answer

Page 11: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 12: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 13: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 14: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 15: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 16: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 17: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Atoms of 4 Elements That Are Important for Life

Page 18: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Formation of an Ionic Bond

Page 19: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

A Crystal of Sodium Chloride

Page 20: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 21: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

A Water Molecule

Page 22: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Water is a Polar Molecule

Page 23: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 24: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Water Molecules Form Hydrogen Bonds

Page 25: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Hydrogen Bonds in Ice Versus Liquid Water

Page 26: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

A Crystal of Salt Dissolving in Water

Page 27: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.
Page 28: Chemistry Chapter 2. Living organisms are made up of matter. matter = anything that occupies space and has mass chemistry = the study of matter and changes.

Bonds Are Broken & Made in a Chemical Reaction


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