Biochem Final Exam with Verified Solutions
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Terms in this set (49)
T/F: Hydrogen is called false
the superglue of the
chemical world. carbon = superglue of the world
T/F: Small elements, such true
as nitrogen, are common
in biomolecules.
CHOPS N:
- carbon
- hydrogen
Small elements that are
- oxygen
common in biomolecules:
- phosphorous
- sulfur
- nitrogen
T/F: The time it takes for a true
compound to flow
through a metabolic
pathway is called the flux.
T/F: Proteins, true
carbohydrates, and fats all
get broken down into
NADH and FADH2 in
energy production.
, T/F: A fat is a lipid false
molecules that is a liquid
at room temperature.
In RNA, guanine always cytosine
pairs with:
In RNA, adenine always uracil
pairs with:
In DNA, adenine always thymine
pairs with:
Water is considered a an attractive force between molecules where partially
polar solvent due to positive hydrogen atoms are attracted to partially
attractive forces known as negative atoms of F, O, or N
hydrogen bonds. A
hydrogen bond is:
a temporary attraction between atoms due to
What is a London force?
electron alignment
What is a dipole-dipole an attraction between the positive end of one polar
force? molecule and the negative end of another
1. geometry of the molecule
What attributes contribute
2. polarity of the -OH bonds
to water's unusual
3. ability of water molecules to hydrogen bond
properties?
4. body angle of water molecules to H bond
The H+ concentration of a 12.1
solution is 7.9 x 10^-13 M.
What is the pH? pH = -log(7.9 x 10^-13)
What represents the free- ΔG = Gibbs free energy
energy change of a
reaction?
What is the measure of ΔH = enthalpy
heat content in a reaction?