Biol230 Exam 1 Questions with Detailed Verified Answers

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Biol230 Exam 1 Questions with Detailed Verified Answers



Biochemistry
Ans: Study of the chemistry of living things


Organic Chem
Ans: Study of carbon containing compounds


Valence
Ans: # of electrons the outer shell needs to be filled


Covalent Bond
Ans: Sharing of electrons between 2 atoms


Atomic #
Ans: Number of protons


Atomic weight
Ans: # of protons + Neutrons


Calorie
Ans: amount of energy needed to raise the temp of 1g of a substance 1 degree Celsius


Cation
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Ans: lose electron, positively charged


Anion
Ans: Gains electron, negatively charged


Cohesive
Ans: water molecules are attracted to each other due to hydrogen bonding


Hydrogen bonding in water makes water have high:
Ans: 1. surface tension

2. Boiling point

3. specific heat

4. heat of vaporization


Van der Waals forces
Ans: weak attractions between 2 atoms that occur if the atoms are close to one
another


Hydrophobic interactions
Ans: tendency of nonpolar groups within a macromolecule to associate w each other
and minimize their contact w water


Sugars (CHO) turn into



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