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Lecture 1

HTHSCI 1LL3 Lecture Notes - Lecture 1: Chemical Polarity, Hydrogen Atom, University Of New Hampshire


Department
Health Sciences
Course Code
HTHSCI 1LL3
Professor
Teresa Mccurdy
Lecture
1

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Intro to Biochemistry
Other textbook: Pain Free Biochemistry
Biochemistry
The Boyer text denes Biochemistry as the study of life (structure, informaon and energy) at
the molecular level.
Biochemistry examines the chemistry of living organisms.
The major biomolecules are:
proteins-energy
carbohydrates-energy
nucleic acids- informaon
lipids- energy
Periodic Table
4 big elements: hydrogen, carbon, nitrogen and oxygen- they make up most molecules.
Chemistry Review
Carbon is the atom involved in all organic molecules- this is because it can make four bounds
that are not all in the same plane.
The more electronegave an atom is, the closer the electrons will be to that element. Oxygen is
a very electronegave atom.
Sharing electrons= covalent bond (water has a polar covalent bond)
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