BIL 150 Mallery Tests 1-4 Exam Questions With Correct Answers, Exams of
Biology
TEST 1 - ANSWERTEST 1
an RNA molecule that has catalytic activity? - ANSWERis a ribozyme
living organisms capable of synthesizing all their need organic molecules
using CO2 as its sole carbon sources are classified as? - ANSWERautotrophs
the atmosphere inside the Miller and Urey volcanic apparatus was described
chemically as? - ANSWERa 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? - ANSWERRNA 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? - ANSWERtrue
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? - ANSWERdependent variable
an inquiry based research approach in biology includes? - ANSWERchoose
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? - ANSWER24
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? - ANSWER22,920
of the following known facts which would provide some of the strongest
evidence for a common ancestry of all known cellular life? - ANSWERthe
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? -
ANSWERrandom 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? - ANSWERby
providing scaffolding support to facilitate concentration
one of the most effective ways of presenting numerical data from a clinical
trial would likely be a? - ANSWERtable
, the type of chemical reaction shown in the diagram below is most likely a? -
ANSWERa condensation reaction
homochiral polymeric molecule, such as proteins that occur in living cells
today, are composed of? - ANSWERonly one of two possible optical isomers
of amino acids
thermophilic bacteria, which might have been an initial LUGA, have been
hypothesized to have arisen? - ANSWERaround deep ocean hydrothermal
vents
the type of chemical reaction acting upon the polymer shown in the figure
below might best be described as? - ANSWERa hydrolysis reaction
which of the following is likely to be a step within the scientific method in
biology? - ANSWERall 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? - ANSWERchoose 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? - ANSWERa theory
which of the following phrases better describes the results of natural
selection? - ANSWERthe changes in inherited characteristics of a population
Biology
TEST 1 - ANSWERTEST 1
an RNA molecule that has catalytic activity? - ANSWERis a ribozyme
living organisms capable of synthesizing all their need organic molecules
using CO2 as its sole carbon sources are classified as? - ANSWERautotrophs
the atmosphere inside the Miller and Urey volcanic apparatus was described
chemically as? - ANSWERa 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? - ANSWERRNA 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? - ANSWERtrue
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? - ANSWERdependent variable
an inquiry based research approach in biology includes? - ANSWERchoose
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? - ANSWER24
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? - ANSWER22,920
of the following known facts which would provide some of the strongest
evidence for a common ancestry of all known cellular life? - ANSWERthe
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? -
ANSWERrandom 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? - ANSWERby
providing scaffolding support to facilitate concentration
one of the most effective ways of presenting numerical data from a clinical
trial would likely be a? - ANSWERtable
, the type of chemical reaction shown in the diagram below is most likely a? -
ANSWERa condensation reaction
homochiral polymeric molecule, such as proteins that occur in living cells
today, are composed of? - ANSWERonly one of two possible optical isomers
of amino acids
thermophilic bacteria, which might have been an initial LUGA, have been
hypothesized to have arisen? - ANSWERaround deep ocean hydrothermal
vents
the type of chemical reaction acting upon the polymer shown in the figure
below might best be described as? - ANSWERa hydrolysis reaction
which of the following is likely to be a step within the scientific method in
biology? - ANSWERall 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? - ANSWERchoose 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? - ANSWERa theory
which of the following phrases better describes the results of natural
selection? - ANSWERthe changes in inherited characteristics of a population