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BIL 150 MALLERY 2024/25: TESTS 1-4 QUESTIONS WITH COMPLETE COMPLETE SOLUTIONS!! $18.99
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BIL 150 MALLERY 2024/25: TESTS 1-4 QUESTIONS WITH COMPLETE COMPLETE SOLUTIONS!!

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BIL 150 MALLERY 2024/25: TESTS 1-4 QUESTIONS WITH COMPLETE COMPLETE SOLUTIONS!!

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  • November 20, 2024
  • 22
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIL 150
  • BIL 150
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BIL 150 MALLERY 2024/25: TESTS 1-4
QUESTIONS WITH COMPLETE COMPLETE
SOLUTIONS!!


TEST 1 Answer - TEST 1


an RNA molecule that has catalytic activity? Answer - is a ribozyme


living organisms capable of synthesizing all their need organic molecules using
CO2 as its sole carbon sources are classified as? Answer - autotrophs


the atmosphere inside the Miller and Urey volcanic apparatus was described
chemically as? 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? 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? 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? Answer -
dependent variable

,an inquiry based research approach in biology includes? 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? 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? 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? 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? 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? 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? Answer - table


the type of chemical reaction shown in the diagram below is most likely a?
Answer - a condensation reaction

, homochiral polymeric molecule, such as proteins that occur in living cells today,
are composed of? 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? 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? Answer - a hydrolysis reaction


which of the following is likely to be a step within the scientific method in
biology? 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? 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? Answer - a theory


which of the following phrases better describes the results of natural selection?
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? Answer - true

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