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Lecture 1

01:694:301 Lecture Notes - Lecture 1: Covalent Bond, Salad, Cytoskeleton


Department
Molecular Biology and Biochemistry
Course Code
01:694:301
Professor
F.Deis
Lecture
1

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1.
I
-
oundational
°
biological
structures
serve
fnc
purposes
Fochtman
each
has
specific
Inc
°
living
systems
actively
engaged
in
E
transformations
order
at
the
expense
'
of
ENERGI
-
required
-
need
E
to
lower
entropy
steady
state
us
.
equilibrium
to
order
inside
ONO
NET
MOVEMENT
our
bodies
need
E
o
when
dead
constant
state
requires
wgqn¥hual
stable
over
time
,
NO
E)
work
required
°
have
capacity
self
replication
o
structure
I
-
2
Bios
°
are
carbon
cpds
°
directionality
Earns
stable
covalent
bonds
°
!
:
H
-
I
-
H
o
interaction
4
itself
°
C
,
H
,
N
,
O
-
'
smallest
elements
make
strongest
bonds
°
function
*
be
fewest
e
-
-
o
simple
molecules
¥T
metabolites
-
form
metabolites
-
usually
intermediates
(
precursors
of
inorganic
precursors
bio
chem
pathways
H/O/N/c
smallest
atoms
capable
of
ex
.
pyruvate
,
fructose
forming
covalent
bonds
but
I
d
i
n
g
b
l
o
c
k
s
Macromolecules
amino
acids
,
nucleotides
e
proteins
,
nucleic
acids
°
subunits
of
proteins
)
polysaccharides
polymers
of
subunits
supra
molecular
organelles
(
om
p
le
X
e
s
-
nucleus
,
mitochondria
,
etc
.
o
ribosomes
,
cytoskeleton
has
structure
,
directionality
interaction
,
fnc
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