BIL 150 Mallery 2021: Tests 1-4 Answers Scored A+ Newest version
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BIL 150 Mallery 2021:
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BIL 150 Mallery 2021:
TEST 1 - CORRECT ANSWER-TEST 1
an RNA molecule that has catalytic activity? - CORRECT ANSWER-is a ribozyme
living organisms capable of synthesizing all their need organic molecules using CO2 as its sole carbon sources are classified as? - CORRECT ANSWER-autotrophs
the atmosphere inside the...
BIL 150 Mallery 2021: Tests 1-4 Answers
Scored A+ Newest version
TEST 1 - CORRECT ANSWER-TEST 1
an RNA molecule that has catalytic activity? - CORRECT ANSWER-is a ribozyme
living organisms capable of synthesizing all their need organic molecules using CO2 as
its sole carbon sources are classified as? - CORRECT ANSWER-autotrophs
the atmosphere inside the Miller and Urey volcanic apparatus was described chemically
as? - CORRECT ANSWER-a reducing atmosphere with little reactive oxygen molecules
ribosomes are a universally present organelle in all cells and are primarily composed of
which of the following molecules? - CORRECT ANSWER-RNA and proteins
the formation of new elements of the periodic table occurred by the fusion of preexisting
combinations of proteins and neutrons during the Big Band and within dying stars
known as Supernova? - CORRECT ANSWER-true
an experimental study is conducted to determine whether or not 10 milligrams of the
drug somatostatin can overcome the effect of dwarfism in humans. The change in
height of the participants in the clinical trial represent the? - CORRECT ANSWER-
dependent variable
an inquiry based research approach in biology includes? - CORRECT ANSWER-
choose this answer if all of the above aspects on inquiry based research in biology
,a stable, non-radioactive element is known to have an atomic number of 12, therefore
its atomic mass would be? - CORRECT ANSWER-24
the half life of radioactive carbon 14C is 5,730 years. A sample of fossilized wood is
shown to contain only 6.35% radioactive 14C compared with the amount of radioactive
14C in living wood samples of today, thus the age of the fossilized would be closest to
which of the following? - CORRECT ANSWER-22,920
of the following known facts which would provide some of the strongest evidence for a
common ancestry of all known cellular life? - CORRECT ANSWER-the universality of
the genetic code
the type of error occurring in scientific experiments that is due to the intrinsic
measurement and/or resolution of an instrument is referred to as? - CORRECT
ANSWER-random error
Robert Hazen's lab proposed that minerals might have played a role in allowing early
primitive organic molecules to react with each other chemically forming more complex
molecules primarily by? - CORRECT ANSWER-by providing scaffolding support to
facilitate concentration
one of the most effective ways of presenting numerical data from a clinical trial would
likely be a? - CORRECT ANSWER-table
the type of chemical reaction shown in the diagram below is most likely a? - CORRECT
ANSWER-a condensation reaction
homochiral polymeric molecule, such as proteins that occur in living cells today, are
composed of? - CORRECT ANSWER-only one of two possible optical isomers of amino
acids
, thermophilic bacteria, which might have been an initial LUGA, have been hypothesized
to have arisen? - CORRECT ANSWER-around deep ocean hydrothermal vents
the type of chemical reaction acting upon the polymer shown in the figure below might
best be described as? - CORRECT ANSWER-a hydrolysis reaction
which of the following is likely to be a step within the scientific method in biology? -
CORRECT ANSWER-all of these can be a part of the scientific method
the scientific method involves the construction of knowledge based upon observation,
testing, and measurement. Identify among these statements the one that can NOT be
experimentally based? - CORRECT ANSWER-choose this answer if all the above
statements are experimentally based
a hypothesis that has been confirmed through repeated experimental tests over a very
long period of time may be referred to as? - CORRECT ANSWER-a theory
which of the following phrases better describes the results of natural selection? -
CORRECT ANSWER-the changes in inherited characteristics of a population
the age of mammals is estimated to have begun between 145 and 65 million years ago
by using the technique of Molecular Clock Dating which compares DNA sequence
differences as species diverge? - CORRECT ANSWER-true
a primary reason for the increase in federal funding to the NH (National Institutes of
Health) budget in the early 1980s was most likely due to? - CORRECT ANSWER-the
emergence of the Human disease AIDS
the energy source used by Stanley Miller in his volcanic experiments was? - CORRECT
ANSWER-electricity stimulating lightning
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