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____ is defined as the reactions that break down large molecules into small ones and
release energy in the form of ATP.
metabolism
catabolism
anabolism
hydrolysis - CORRECT ANSWER: catabolism
_____ is any permanent change in the primary structure of dna.
recombinant dna
gene expression
operon
mutation - CORRECT ANSWER: mutation
_____ is defined as the reactions that biosynthesize large molecules from small
molecules consuming energy in the form of ATP.
metabolism
catabolism
anabolism
hydrolysis - CORRECT ANSWER: anabolism
,______ is the sum of all of the reactions that take place in a living thing.
metabolism
catabolism
anabolism
hydrolysis - CORRECT ANSWER: metabolism
% v/v concentration of a sample of wine that contains 15 mL of ethyl alcohol in 200 mL
of wine?
a 0.075 % v/v
b 6.9% v/v
c 0.75% v/v
d 0.069% v/v
e 7.5% v/v - CORRECT ANSWER: e 7.5% v/v
7.450g of KCl is dissolved into a solution with a total volume of 125.0 mL. what is the
molarity of the solution? (K=39, Cl = 35.5)
.40 M
3.75 M
0.80 M
0.20 M
none of the above - CORRECT ANSWER: 0.80 M
a bronsted-lowry ACID is defined as a substance which:
increases h+ when placed in water
,decreases h+ when placed in water
acts as a proton acceptor in any system
acts as a proton donor in any system - CORRECT ANSWER: acts as a proton donor in
any system
a bronsted-lowry BASE is defined as a substance which:
acts as a proton acceptor in any system
acts as a proton donor in any system
decreases h+ when placed in water
increases h+ when placed in water - CORRECT ANSWER: acts as a proton acceptor in
any system
a codon is
a code that is used to assemble long chains of amino acids
the coded info carried on the dna molecule which starts a new protein.
a set of 3 bases that call for a specific amino acid.
the special code of bases that cannot have more than one meaning - CORRECT
ANSWER: a set of 3 bases that call for a specific amino acid.
a homogeneous mixture consists of 12% ethanol, 28% methanol, and 60% water. what
is the solvent? water, methanol, ethanol, or ethanol + methanol - CORRECT ANSWER:
water
, a molecule that is similar in terms of the correct structure to the substrate molecule for
an enzyme may act as a _________.
cofactor
regulator
competitive inhibitor
noncompetitive inhibitor - CORRECT ANSWER: noncompetitive inhibitor
a patient has been trying to achieve total blood cholesterol of 175 mg or less per 100
mL. a recent test result of 2.0 mL blood sample found that 4.00 mg cholesterol were
present. has the patient reached the goal?
no. 4.00mg/2ml is more than his goal for cholesterol.
yes. 4.00mg/2ml is equivalent to 200mg/100mL.
no. the result 4.0 x 100/2.0 is much less than the goal. - CORRECT ANSWER: yes.
4.00mg/2ml is equivalent to 200mg/100mL.
a water sample taken from the ocean is0.0016 g toxic substance is present in a two
liters of this ocean water. what is the concentration in ppm?
0.036
0.80
86
860
none of the above - CORRECT ANSWER: 0.80
acetyl co a produced from glycolysis enters the ___ metabolic pathway.
glycolysis