Download C - Jefferson School District

Chapter 10
Very briefly…
Objectives
Students will be able to:
• Name the 6 most commonly found elements in all living
things.
• Explain why carbon is essential to life
LEFT
Question 1
Recall what were the 6 most
common elements in ALL
living things?
Left - CHONPS
C = Carbon
H = Hydrogen
O = Oxygen
N = Nitrogen
P = Phosphorus
S = Sulfur
LEFT
Question 2
Where do we get the
elements we need?
CHONPS – you are what you eat
• Where do we get these elements from?
• from our ENVIRONMENT!
• We eat a variety of foods that provide us with different
nutrients and elements
• how else can we get these besides eating?
• Breathing! Nitrogen (78%) and Oxygen (21%) are in the air.
hyphopenation.com
LEFT
Question 3
Describe how carbon bonds
with itself and other
molecules.
Carbon!
• How many valence electrons does Carbon have???
.
.C.
.
Carbon!
.
.C.
.
Can form:
• 4 covalent bonds with other
elements
• Long chains
• Short chains
• Branched chains
• Rings
http://nafaa.pbworks.com/f/chems.jpg
Hydrocarbons – basic molecules
ONLY hydrogens and carbons
Pentane
methane
lloydminsterheavyoil.com
forum.nationstates.net
renewable-energy-sources.com
Predict: what is this called?
Saturated vs Unsaturated
• Saturated
• Unsaturated
• ONLY single bonds
• Has at least one
double or triple bond
between carbons
FATS!!! (Lipids)
elevatefitness.wordpress.com
Unsaturated fats
Those snacks still
have cis- fat!
elevatefitness.wordpress.com
nutritionandmedia.com biology.clc.uc.edu
LEFT
Question 4
How are saturated and
unsaturated fats different?
Hydroxyl Group
hcc.mnscu.edu
RIGHT
Carboxyl Group
hcc.mnscu.edu
Amino Group
hcc.mnscu.edu
hcc.mnscu.edu
LEFT
Question 5
Recall what were the four
important macro molecules in
all living things?
biomolecules
• Lipids (fats)
• Proteins (Insulin)
• Carbohydrates (glucose)
• nucleic acids (DNA)
lalblog.blogspot.com
jennifer.nutritiontransition.co.uk
LEFT
Question 6
Explain how Carbon is
important to life.