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chapter 8 section 4
carbon in the body
20
Science
8th Grade
05/09/2010

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Term
carbohydrate
Definition
An energy-rich organic compound made of the elements carbon, hydrogen, and oxygen.
Term
glucose
Definition
one of the most important sugars in your body
Term

carbohydrates

proteins

lipids

nucleic acids

Definition
The four classes of organic compounds required by living things
Term
complex carbohydrate
Definition
a polymer made of smaller molecules that are simple carbohydrates bonded to one another.
Term
starch and cellulose are both polymers built from_____, but the _____ molecules are arranged differnetly in each one. (same answer)
Definition
glucose, glucose
Term
starch
Definition
Plants store energy in the form of the complex carbohydrate ____. You can find this in food products such as bread, pasta, cereal, rice, and potatoes.
Term
cellulose
Definition
Plants build strong stems and roots with the complex carbohydrate ______ and other polymers.
Term
amino acids
Definition
different proteins are made when different sequences of _____ _____( two words) are linked into long chains.
Term
lipids
Definition
energy rich compounds made of carbon oxygen and hydrogen
Term
fatty acids
Definition
each fat or oil is made form three ___ ____ and one alcohol named glycerol.
Term
cholesterol
Definition
a waxy substance found in all animal cells
Term
Nucleic Acid
Definition
very large organic molecules made up of carbon oxygen hydrogen nirtogen and phosphorus.
Term
Dna
Definition
dexyribonucleic acid
Term
RNA
Definition
ribonucleic acid
Term
nucleotides
Definition
building blocks of nucleic acids
Term
nulceotides
Definition
The differences among living things depend on the order of ________ in their DNA.
Term
small amounts
Definition
Vitamins and minerals are needed only in ________ _______.
Term
Vitamins
Definition
organic compounds that serve as the helper molecules in a variety of chemical reactions in the body.
Term
minerals
Definition
non organic compounds that are elements in the form of ions needed in the body.
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