you may be wondering what your doing at
the front of a bioengineering madam i a
total strangers talking to you right now
but i did talk about some of the on some
experiments that herbert boyer and
stanley commented in the nation
you might be thinking to yourself
uh... the seventies in america when the
dinosaurs lived
boring
well had never gotten a vaccine are
groceries record he started
that complex to some of the experiments
that these two had
halsted setting
where they accept and values that cut
dat label to in three days
continue bacterial dna_
the hanging at the field of genetic
engineering and thanks to all the work
that they did
we have medications for what that means
that protective
you know i exist on the inside
so the first thing that clinton boy it
did was they checked dna_ from driving
headed up
as you might think you guys that's going
on in this to you
here some dna_ from the front
encouraging traits that affect how the
front develops had survived
now there's a piece that dna_
in this genome whose job listing code
for certain proteins that the front uses
to survive
we're gonna cut this peace out using a
restriction enzyme
this is the thing that way discovered
its
kind of like a pair of scissors
cutting the dna_ act
specific points we can get different
pieces
now there are times are different kinds
restriction enzymes and they'll come in
different places in dna_
are and send their resume tuesday is
called echo are one
now this piece but dna_ has more than
one spot
that echo are one can cut as shown by
the dot lines
so we're going to end up with other
pieces of dna_ in addition to the one
we actually want
now that's actually ok because
articulate that probably did
what's going on in the two is really
really discarding after pieces dna_'s
just like it
now here's a tip
plasmid
basically circulating of dna_ that can
exist in bacteria any basically impose
for certain traits that affect how
bacteria look actor civilian anti at our
dna_ from the frog dna_ try
bacterial dna_
we need to cut the president clinton
so we've got to add are echo are one
scissors
and they're going to cut
at the site
you let this reaction proceeds letting
all the ingredients the classmates
restriction enzyme and somewhat
interesting at cnn_ tel all the
plastic cup like that's
now we need at the dna_ please
and allow the pieces to joint
here's what's going on in the to camp
i've got pieces earth
try to dna_
and i had cracked cut classmates like
this
i need to ad
the sky
into this president
and the way and they do that
is the eddie an enzyme called dna_
like case
this enzyme tenet acts like teak and it
fixes the dna_ in six th
into the test name
nine other important thing at that
the present itself is that it resent
marker than a series of situation in
haiti antibiotic
contact recycling
this will come in handy in a little bit
after a little while level couple types
of dna_ going on
the people non
but will come from it
you know
guardsmen classmates that just caused a
mom
at the
and seat
thing about these guys is that they'll
actually die if you bad detect recycling
antibiotic which we talked about bailey
it to them
webinar invite you to get the class and
inside a vehicle and with that because
all the cells down and then quickly he
did them up
creating little holes
and the cell membrane
then the president's concert through
and get into the south
these are the kind of bacteria that we
have now
bacteria
that got the practically
but you also get bacteria that cut
the president's that
we get one
say
this one with
the wrong piece of dna_ way
this i was just a plane parts that
without any frightening
more than likely will
get ones that just didn't pick up any of
the president's no end in eighteen x
display t_-cells on some tight recycling
on their plates which is basically some
fancy jello that has antibiotic in it
so these guys won't be able to grow
but these guys well
plated
people live
transformed this tiny plasmids
onto this plate which has kept recycling
it
have likened that what they're saying
they need to be here overnight and allow
our bacteria to grow
watered down in a game in the morning
said he didn't have
definitely got some colonies regularly
remain
cell not a problem that we have
is we need everyone distinguish that
actually had them at these primates
from the one
that night
vis a man who don't have an idea demand
resulting famine deal
this is the same techniques that we did
at the very beginning of this
maintenance enemies back
smith has been spent on these bacteria
then reading is the same restriction
enzymes
you might be able to notice
dot proponents say
is a different sizes then that means
that comes in the background
surrounding areas isn't something larger
belmont
needs a technique adela electrophoresis
and let's get it is it's gonna separate
are different pieces of dna_ half
and from this experiment will be able to
tell
the president's that took up the
frightening
from the ones that did it
bought from the ones that just closed up
on themselves
deflating techniques that i don't know
feel their lives
galina being made
very faint
well i thought that i printed a gag
thanks for stopping by
of the american aircon she'd seen or
some of the cloning techniques he's not
today
disheveled and they say the internet
engineering
ta waiters
k