Solutions
A scientific theory
a) is formulated by many scientists upon receiving a research grant from a Federal agency
b) must demonstrate the effect of all variables by testing control groups and experimental
groups
c) is a testable hypothesis that is supported by a large body of evidence and has stood the test
of time
d) is only accepted after the National Academy of Science has approved it
e) none of these is correct c) is a testable hypothesis that is supported by a large body of
evidence and has stood the test of time
from the following list, the largest individual portion of an atom, the part which has the greatest
mass is the
a) molecule
b) electron
c) proton
d) isotope
,e) none of these is correct c) proton
which of the following statements is incorrect
a) triglycerides are a common storage forms of fat
b) formation of a glycosidic bond releases H2O
c) hydrolysis of glycogen yields only glucose
d) the CH3 end of a fatty acid binds to the glycerol
e) none of these is correct d) the CH3 end of a fatty acid binds to the glycerol
enzymes change the thermodynamics of a chemical reaction in order to make it go
a) true
b) false b) false
the major unifying concepts (theories) of biology include
a) cells use the same laws of bioenergetics to function as the laws of the physical universe
b) the theory of evolution
c) the Cell Theory
d) all of these d) all of these
,which of the following the correct concerning a plot of the rate of an enzyme reaction against
the concentration of its substrate
a) plot reveals that the Ea is greater for enzyme reactions
b) such a plot shows linear response
c) plot shows saturation and a maximum velocity for enzyme reactions
d) all of these are correct statements c) plot shows saturation and a maximum velocity for
enzyme reactions
the oldest known scientific society is likely the
a) National Academy of Science
b) Royal Society of London
c) Florida Academy of Science
d) Sigma Xi Scientific Research Society
e) Paleontological Society b) Royal Society of London
According to cell theory
a) all cells arise from pre-existing living cells
b) all cells are basically the same in chemical composition
, c) cells are the basic unit of reproduction
d) all known living organisms are composed of one or more cells
e) all of the above e) all of the above
The population pyramid shown is an example of a population exhibiting (same length for
bottom 4 and gradually gets smaller for top 4)
a) rapid exponential growth
b) moderate exponential growth
c) little to no growth
d) that of a developing country
e) none of these is correct b) moderate exponential growth
which of the following molecules were used by Stanley Miller in the volcanic reaction vessel to
test the abiotic synthesis of biological molecules
a) methane
b) ammonia
c) hydrogen
d) water vapor
e) all of these molecules e) all of these molecules