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Exam 1 Summary- Cells & Molecules; Dr. Gilroy

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Complete review and summary of all exam 1- cell and molecules - lecture materials given by Dr. Simon Gilroy in intro biology 151 at the university of Wisconsin-Madison. Each main subject outlined in a different color with molded key terms and supporting diagrams.

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  • December 21, 2024
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ansems
Means ~
EX : GLUCOSE (sugars =
-ose)
FUNCTIONS


HYDRATESone
THE BASIC PRINCIPLES OF BIOLOGY



CARBON ,
HYDROGEN , OXYGEN (1 : 2 :
1) I it it
4 structure
5 signals
B10151
10data an
smaller units join together by glycosidic linkage
hydrophilic !



TER
made by dehydration




OSMOST
MONOSACCHARIDE
t
synthesis--OH
= DISACCHARIDE
+


reverse
HO---o-

is hydrolysis
+
EXAMI
REVIEW




j
s cellulose
water MONOSACCHARIDE NNo-Fr


tansport
ex : Sucrose

water
1 .
COHESION (H bonding) <surface tension
MONOSACCHARIDE
t
SHEET
↳ polar molecule




MNPIDS
MONOSACCHARIDE =
POLYSACCHARIDE
SOLVENT (biological uxns)
.
2

> adhesion ions-ions
hydrophobic * aquaphorins *
+ ex :
starch
Furt TRIGLYCERIDES dehydrationa
MONOSACCHARIDE C H
hydrophilic COOH HO - -




DENSITY Cice floats) Sterous



o
.
3
Cholesterol & Stigmaster




Tme
Em MOST
CARBONS HYDRO T




EUKARYOTES PROKARYOTES
macromolecules musROTENS some
some
polar
nonpolar
PHOSPHOLIPIDS


A
phosphate
fatty acids


-
H20
L




hydrophilic head
GLYCEROL



nuclear envelope enclosing PNA NO envelope ; circular DNA in
nuclear
AMINOACIDS PEPTIDE BONDS PHOSPHOLIPID BILAYER
/)-hydrophobic
linked together by
membrane bound organelles nucleoid regions in plasmids
only 20 used in
biology (dehydration Synthesis) & micelle this
very simple endomembrane system




amta Rain,i RodsbeeNgofbackbone
nucleus : DNA ,
proteins PROTEIN STRUCTURE DENATURATION
mitochondria : energy
MEMBRANE FUNCTION heat or acid unrolls (denatures) a




2
production * semi permeable membrane ~ protein so it can no longer functionis
chloroplasts : photosynthesis > DIFFUSION
I



Manpowi
to
*
ER :Synthesis modificationa mouth) H
proteins lipids




ACIDS
CATALYSTS ("ase") reduce Ea
DNA
:
golgi apparatus protein transport



fact
:



FUNCTIONS STRUCTURE
lysosome : degradation DIFFUSION TRANSPORT bases

PASSIVE : down SIGNAL
gradient
deoxyribos
vacuole : storage conc . a

separate from membrane
> simplee estated
secreted proteins
-




SinStable
:

NUCLEOTIDES linked through PHOSPHODIESTER LINKAE
integral membrane proteins part of the membrane double helix
~

ENDosBoSoginatedfomarrschannelradient 1) not




·
enzymes can be enzymes

pumps energy ! CYTUSKELETON




TABLIS
genome and ribosomes
-




-
cotransport
COMPLEMENTARY binding of bases
↳ symporters & antiporters to line up
ANTIPARALLEL
* electrochemical gradient 3 - 5'85 -
3




Emm
DNA IS TRANSCRIBED into
spontaneous AGCO ; exogenic breaking

RESPIRATION :...

im
16 = 0 ; equilibrium RNA that is translated
nonspontaneous &G >O ; endogenic making
into PROTEIN
ENZYMES




u
induced fit: protein folds
around substrate
marig
cost
GLYCOLYSIS in The INADH allosteric regulators : additional
* investment of energy
sitethat actalaona
,


me
CATABOLS B onds
ADP + P , ANABOLIlog
↳ feedback inhibition : product

ofapathwaydeactivateaa way
to release energy



FORMS OF ENERGY H ETEROTROPHS consume that energy
SPLITS
Brynhappeninlotofstepsalotofereme,asible biology interconverts types of energy
PIGMENTS
water ATP

↳a
, light



vabt
cellular respiration "
reductiona
evate
ex :
Chlorophyll :
primar pigment
As
2 electrons
oxidation PHOTOSYSTEMS 1811


- ↳ absorbsleds
*
green lit a

"o
losing e-




antemp
p 3 chemical energy : chemical bonds
accessory pigments : absorb


PYRUVATE TO ACETYL COA
cytosol
yields
to mitochondrial matrix
2 acetyl COAS 2 CO2 inner mitochondrial membrane , -AT ar
diferent
get maximum
wavelengths to
mitochondrial matrix & gap energy
gradients across membranes Chlorophyll molecule
OXIDATIVE PHOSPHORYLATION yields 34 ATP
4 concentration

H +
gradient thylakoid membrance
%
-




CYCLIC PHOTOPHOSPHORYLATION NON-CYCLIC PHOTOPHOSPHORYLATION


v
= o the 2-scheme
E
M -
n
i E

·
= 0




·
CH3 ATPpi appt

i

mitochondrial matrix
merba are
+



E
KREBS CYCLE yields




mini
2 ATP , Y CO2 GNAH , 2 FADH2 TOTAL
IIIIII/IIIIIIIII
,


e-
acetyl COA
⑫ COA-SH
VIIIIIIII) ATP Synthase SID
*
CHEMIOSMUSIS light




t
Stroma
DARK REACTIONS




&
powered by He




t
gradient , the calvin fixation


:carbon
cycle
a light


mitochondrial App o ATION h



·Dis
matrix




·
most abundant protein




compe
·
O2 accepts e-




mos
i
a

M
P ⑪ 1 prophase : chromosomes condense ;
* ADD + Pi
centrosomes radiate microtubules
rearrangements that





·
NAD
FERMENTATION Regenerates and migrate to opposite poles

changes
6 build up stre a

3C
nuclear envelope

1 ) App ,
t
#
much less efficient
oxidative
mitosis 2 prometaphase : x2
NADp +
than
6Sugar
-


o
phosphorylation *
REDUCTION




ruvate
63P
62


ti in
interphase in the center of cell
CHECKPOINTS

* 61 : growth s preparation
S




chromosome
↳ checks whether its ready




2
↳ anaphases
if noTo
SPHASE DNA separate & more to opposite copy it DNA,
to
newplacetodumpsaonylation
*
synthesis
ends of poles
2 LACTATE
can't r n to make NAD
+ * DNA replication >
-
each :
preparation for i s a

chromosomecost ↳ checks for complete PNA BINARY FISSION

condenc
e-on
replicationSforanyPNA
2) same thing but dumps acetaldehyde
,
together by a centromere 5 telophase : nuclear envelopes Aprokamotic cell diinas


hareplicates celldobtei
produces ethanol as a waste product reforms chromosomes ,

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