Chemistry Of Life - Biochemistry Question Preview (ID: 43328)
Chapter 2.
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___________ are the building blocks of __________
a) monomers , polymers
b) polymers , monomers
c) active site , substrate
d) nucleic acids
the suffix -ose tells you it is what macromolecule
a) carbohydrate
b) lipid
c) protein
d) nucleic acids
what 2 things can destroy/denature an enzyme?
a) temperature and pH
b) ph and carbohydrates
c) proteins
d) temperature and size
a chain of amino acids is called a
a) protein
b) carbohydrates
c) nucleic acid
d) lipid
Which macromolecule is MOST commonly found in a ring shape?
a) carbohydrates
b) proteins
c) lipids
d) nucleic acids
the activation of a reaction is decreased by a
a) catalyst
b) reactant
c) product
d) substrate
enzymes are what macromolecule
a) proteins
b) carbohydrates
c) lipids
d) nucleic acids
if a chemical reaction is catalyzed it will ...
a) speed up a chemical reaction
b) slow down a chemical reaction
c) do nothing
d) change the color
Amino acids are the monomers of
a) protein
b) nucleic acids
c) carbohydrates
d) lipids
when substances are changed into other substances by breaking forming bonds, it is a
a) chemical reaction
b) hydrogen bond
c) chemical equilibrium
d) exothermic reaction
When water sticks to other substances (like your jacket) it is called
a) adhesion
b) cohesion
c) polar
d) nonpolar
a solution is a mixture of _________ and __________
a) solvents and solutes
b) solutions
c) lemonade and water
d) sovlutes and soulents
what is the place on the enzyme where the substrate binds?
a) active site
b) substrate
c) product
d) water
Which of the following is a property of water BECAUSE of hydrogen bonding
a) high specific heat
b) water polarity
c) negative and positive regions
d) nonpolar areas
When water molecules stick to other water molecules it is called
a) cohesion
b) adhesion
c) polar
d) nonpolar
exothermic reactions _________ energy
a) release / exit
b) absorb / enter
c) Hydrogen bonds
d) covalent bonds
Equilibrium is when
a) reactants and products are created in equal rates
b) reactants are all turned into products
c) chemical reactions happen
d) products are all turned into reactants
Fatty acids and _______ make up lipids
a) glycerol
b) gluserol
c) glucose
d) glycogen
Carbon can form how many bonds with other elements?
a) 4
b) 3
c) 2
d) 1
Which pH is the most basic
a) pH 12
b) pH 1
c) pH 7
d) pH 8
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