living organisms capable of synthesizing all their need organic molecules using CO2 as its sole carbon sources are classified as? correct answers autotrophs
the atmosphere inside the Miller and Urey volcano apparatus was described chemically as? correct answers a reducing atmosphere with little ...
FINAL Exam BIL 150 || WITH CORRECT ANSWERS.
living organisms capable of synthesizing all their need organic molecules using CO2 as its
sole carbon sources are classified as? correct answers autotrophs
the atmosphere inside the Miller and Urey volcano apparatus was described chemically as?
correct answers a reducing atmosphere with little reactive oxygen molecules
Robert Hazan'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 answers providing scaffolding support to facilitate
concentration of these molecules
Which of the following would be more likely to provide a significant boost to our
understanding of a testable hypothesis or scientific concept about cells? correct answers
technological advances in instrumentation for studying cells
A stable, non-radioactive element is known to have an atomic number of 12, therefore its
atomic mass would be? correct answers 24
The removal of an electron from a stable molecule is referred to as? correct answers
oxidation
Thermophilic bacteria, which might have been an initial LUCA, have been hypothesized to
have arisen? correct answers around deep ocean hydrothermal vents
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 answers random error
Inanimate molecules like glucose and fructose can be part of an interactive chemical system
that builds complex interactive molecular systems that? correct answers may exhibit
emergent properties
What is not true of cells? correct answers cells can arise spontaneously without pre-existing
cells
A hypothesis that has been confirmed through repeated experimental tests over a very long
period of time may be referred to as? correct answers a theory
The age of mammals is estimated to have begun between 145 and 65 million years ago by
using the technique of Molecular Clock Dating. true or false? correct answers true
Homochiral polymeric molecule, such as proteins that occur in living cells today, are
composed of? correct answers only one of two possible optical isomers of amino acids
Antony Leeuwenhoek presented his microscopic observations of single cells to which of the
following? correct answers royal society of london
Ribosomes are a universally present organelle in all cells and are primarily composed of
which of the following molecules? correct answers RNA and proteins
, Researchers have been able to synthesize a completely synthetic DNA molecule of a bacterial
chromosome, which is fully functional when inserted in another bacterial species to replace
that species native to bacterial chromosome? true or false? correct answers true
All known cellular proteins in organisms alive today are made of a mixture of two different
optical isomers of amino acids, both L-amino acids and D-amino acids. true or false? correct
answers false
The design and purpose of a scientific experiment should be to? correct answers falsify a
hypothesis
Biology 150 is required of all college students receiving a baccalaureate degree. You are a
college student, therefore you must take Biology 150. This is an example of what type of
Hypothetico-Deductive scientific methodology? correct answers deductive reasoning
Meteorites have been shown to contain what? correct answers organic molecules similar to
Earth's molecules
An experimental study is conducted to determine whether or not 10 milligrams of the drug
somatostatin can overcome the effect of dwarfism. The change in height of the participants in
the clinical trial represents the? correct answers dependent variable
Carl Woese used which of the following molecules to establish the higher taxonomic order of
Domains? correct answers ribosomal RNA
One of the most effective ways of presenting numerical data from a clinical trial would likely
be a? correct answers table
In an evolutionary sense, which of these individuals is most likely to be successful
biologically? correct answers an organism that dies after 5 days, but leaves many offspring,
all of who survive, to reproduce
The energy source used by Stanley Miller in his volcanic experiments was? correct answers
electricity simulating lightning
Error, bias, and fraud may be overcome in scientific experimentation by? correct answers
open communication by publishing results
A primary reason for the increase in federal funding to the NIH in the early 1980s was most
likely due to? correct answers the emergence of AIDS
An RNA molecule that has catalytic activity correct answers a ribozyme
The formation of new elements of the periodic table occurred by the fusion of preexisting
combinations of protons and neutrons during the Big Bang and within dying stars known as
Supernova? true or false? correct answers true
What would provide some of the strongest evidence for a common ancestry of all known
cellular life? correct answers the universality of the genetic code
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