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BIL 255 FINAL EXAM QUESTIONS AND 100% VERIFIED ANSWERS
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BIL 255 FINAL EXAM QUESTIONS AND 100% VERIFIED ANSWERS...
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The Moderna and Pfizer Sars-CoV2 vaccines are based upon which of thefollowing molecules produces an antigen? - ANSWER mRNA
Motor Proteins, such as kinesin, use ATP hydrolysis to alter their shape
allowing them to walk along. - ANSWER microtubules within cells
The phrase "Knowing the parts may explain the function of the whole" is
descriptive of which of the following procedural experimental techniques are
commonly used in cell and molecular biology. - ANSWER reductionism
(grind and find)
Which of the following is most likely an emergent property? - ANSWER
unexpected, non-trivial properties of simpler components that arise from
complexity
An 'evolutionary clock' most likely measures which of the following? -
ANSWER DNA nucleotide sequence divergences
The first formal statement of the Cell Theory in animals was made by which of
these scientists? - ANSWER Theodore Schwann
Carl Woese, a microbiologist, used which of the following cellular molecules to
define the taxonomic unit known as Domains, which is a higher order of
biological taxonomic rank than Kingdoms? - ANSWER ribosomal RNA
A major paradigm of cellular and molecular biology is that all cells living today
can trace their ancestry back to a presumed ancestral cell often referred to as? -
ANSWER LUCA
The Biogenic Law ("All living cells arise from preexisting cells") was initially
advocated by? - ANSWER Rudolph Virchow
The free energy released by the hydrolysis of cellular ATP is used by cells? -
ANSWER -to synthesize cellular macromolecules as DNA, RNA, and proteins
, -for cellular movements as muscle contraction and chromosomal movements
-to facilitate transport of molecules against a concentration gradient
-to generate an electric potential across a membrane (nerve impulses)
The methanogens (prokaryotes that produce methane) belong to which
biological Domain? - ANSWER Domain Archaea
True or false? Experiments comparing gene locations within a nucleus of
nocturnal vs. diurnal animals indicated that bundles of similar gene clusters
occupy different locales within the nucleus? - ANSWER True
Which of the following is not a 'universal' characteristic all living cells?
-a free energy status that is at chemical equilibrium
-templated polymerization
-templated transcription
-an RNA-based genetic code
-a free energy status that is at chemical equilibrium
-all of the above are universal characteristics - ANSWER all of the above are
universal characteristics of all cells
An advantage of hydrophobic molecules, as phospholipids, in living cells is?
-spontaneous self-assembly
-repulsion of large hydrophilic molecules
-formation of bilayers
-reassembly of a torn bilayer
-all of these are advantages of such hydrophobic-like molecules - ANSWER
all of these are advantages of such hydrophobic-like molecules
Infective viruses exhibit many of the common biochemical processes found in
living organisms, but commonly lack the ability? - ANSWER to reproduce
themselves on their own
Of the following model organisms which one has served most usefully as a
system to analyze the development of vertebrate body tissue?
-zebra fish
-viruses
-roundworm (C. elegans)
-zebra fish
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