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midterm review
pg 3&4
15
Biology
12th Grade
12/13/2008

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Cards

Term
2 experiments are conducted; one differing from the other by only a single variable
Definition
controlled experiment
Term
4 most common elements in living organisms are:
Definition
C,H, O, N
Term
Matter
Definition
 ALL CHOICES ARE CORRECT 
Term
 What is added to table salt to prevent formation of goiters
Definition
iodine
Term

In the equation 2 H2+O2 yields 2H20

which one is a compound

Definition
H20
Term
the nucleus of an atom contains
Definition
protons and neutrons
Term
# of protons in an atoms is called
Definition
atomic number
Term
___ are used for diagnosing medical problems and they remian radioactive in the body for a number of years, but give off very low levels of radioactive energy.
Definition
tracers
Term
Unsaturated and saturated fatty acids differ in the former have
Definition
carbon to carbon double bonds
Term
Lipid molecules are known as triglcerides since they contain 3 ___
Definition
fatty acids
Term
All of the following are considered proteins except:
Definition
steriods
Term
Fructose and lactose are 2 examples of ____
Definition
monosaccharides
Term
As a result of the denaturation process, which fo the following occur
Definition
3D conformation of the molecule changes
Term
The cellular structure that is involved in producing ATP  during aerobic respiration
Definition
mitchondria
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