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1st mp bio
N/A
21
Biology
9th Grade
10/03/2012

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Term
Isotope
Definition
same element that differs in the number of neutrons
Term
same element that differs in the number of neutrons
Definition
Isotope
Term
covalent bonds
Definition
___ form between atoms of nonmetals by sharing electrons
Term
true or false
molecules bond covalently
Definition
true
Term
Ionic bonds
Definition
__form between opposite charged ions after the transfer of electrons
Term
6 elements of life
Definition
carbon, hydrogen, phospherous, sulfer, oxygen, nitrogen
Term
carbon, hydrogen, phospherous, sulfer, oxygen, nitrogen
Definition
6 elements of life
Term
Scientific method
Definition
1. form question
2. observation/research
3. hypothesis
4. experiment
5. analize results
6. conclusion
7. communicate results
Term
Proteins
Definition
are polymers of amino acids
Term
are polymers of amino acids
Definition
Proteins
Term
there are __ amino acids in human metabolism
Definition
20
Term
When many amino acids bond together to form long chains the structure is called a __.
Definition
protein
Term
enzymes do what
Definition
enzymes speed up reactions in the body
Term
protiens are important in cell structure as _, which speed up reactions in the body, and as __ which fight infection.
Definition
enzymes, antibodies
Term
Fats are
Definition
a sub-groupof compounds known as lipids that are found in the body and have the general property of being hydrophobic
Term
other lipids include:
Definition
waxes and steroids such as cholesterol
Term
fats are concentrated forms of
Definition
energy
Term
fats are components of
Definition
cell membranes
Term
Nucleic acids are
Definition
marcomolecules that contain hydrogen, oxygen, nitrogen, carbon, and phospherous
Term
nucleic acids store and transmit
Definition
hereditary / genetic info.
Term
nucleic acids are made up from
Definition
nucleotides
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