BIO 201 EXAM 1 WITH CORRECT
ANSWERS 2025
which of the following statements is true? correct answers >>
all molecules in which carbon is covalently bonded to four
different groups are chiral
which level of protein structure describes the complete 3D
structure of a single, properly folded polypeptide correct
answers >> tertiary
which amino acid has an R- group that forms a covalent bond with
the polypeptide backbone, thereby restricting the flexibility of the
polypeptide correct answers >> proline
which of the following shows bonds/interactions in order of
increasing strength weakest to strongest correct answers >>
van der waals, hydrogen, ionic, covalent
when you returned to your dorm after break, you discovered
something growing in the tub. you think it is a living organism.
which of the following would be the most convincing evidence?
correct answers >> it has L-amino acids but not D-amino acids
which of the following is a branched polysaccharide that is
digestible by animals? correct answers >> starch and
glycogen
, why do phospholipids spontaneously form micelles, liposomes,
and lipid bilayers in an aqueous environment correct answers
>> they are amphipathic
the endosymbiotic theory explains the evolution of correct
answers >> all eukaryotes
T or F: protocells in the laboratory can replace their genetic
material correct answers >> true
what makes proteins a poor candidate for being the hereditary
molecule in the first protocells correct answers >> they
cannot provide a template for their own replication
which of the following is found in eukaryotes but not bacteria
correct answers >> mitochondria
which of the following characteristics makes nucleic acids unique
among biological macromolecules correct answers >> the
monomers provide their own energy for polymerization
which of the following correctly describes why it can be
advantageous to have membrane bound organelles correct
answers >> allows for equestrian of reactions that may be
damaging to the cell
endosymbiosis is most likely to succeed when it involves an _____
and a _____ endosymbiont correct answers >> aerobic host,
photosynthetic endosymbiont
ANSWERS 2025
which of the following statements is true? correct answers >>
all molecules in which carbon is covalently bonded to four
different groups are chiral
which level of protein structure describes the complete 3D
structure of a single, properly folded polypeptide correct
answers >> tertiary
which amino acid has an R- group that forms a covalent bond with
the polypeptide backbone, thereby restricting the flexibility of the
polypeptide correct answers >> proline
which of the following shows bonds/interactions in order of
increasing strength weakest to strongest correct answers >>
van der waals, hydrogen, ionic, covalent
when you returned to your dorm after break, you discovered
something growing in the tub. you think it is a living organism.
which of the following would be the most convincing evidence?
correct answers >> it has L-amino acids but not D-amino acids
which of the following is a branched polysaccharide that is
digestible by animals? correct answers >> starch and
glycogen
, why do phospholipids spontaneously form micelles, liposomes,
and lipid bilayers in an aqueous environment correct answers
>> they are amphipathic
the endosymbiotic theory explains the evolution of correct
answers >> all eukaryotes
T or F: protocells in the laboratory can replace their genetic
material correct answers >> true
what makes proteins a poor candidate for being the hereditary
molecule in the first protocells correct answers >> they
cannot provide a template for their own replication
which of the following is found in eukaryotes but not bacteria
correct answers >> mitochondria
which of the following characteristics makes nucleic acids unique
among biological macromolecules correct answers >> the
monomers provide their own energy for polymerization
which of the following correctly describes why it can be
advantageous to have membrane bound organelles correct
answers >> allows for equestrian of reactions that may be
damaging to the cell
endosymbiosis is most likely to succeed when it involves an _____
and a _____ endosymbiont correct answers >> aerobic host,
photosynthetic endosymbiont
