1
Some facts about Mitochondria
contains DNA, and RNA; It can grow and divide; it was once bacteria
Transmination reactions involve the
transfer of an amino group from one keto acid to another
what vitamin is involved in transamination reaction
vitamin B6
The oxidative deamination of an amino acid produces
NH4+
liver
Where are the Kerb cycle enzymes located
Mitochondria
Transamination is the process where
amino group is tranfered to keto acid to form a new amino acids.
Before entering Krebs cycle, pyruvate is
a. reduced
b.oxidized
c.phosphorylated
B. oxidized
The terminal electron acceptor in electron transport is
02 , oxygen
How many FADH2 molecules are produced by 1 turn of Krebs cycle
a.2
b.1
c.3
B.1
After Krebs cycle, how many carbon atom from the original glucose molecule remains
a.3
b.2
c.4
d.0
D.0
Aerobic
What type of bond in a acetyl CoA links the acetyl group to the rest of the molecules
a.ester
b. peptide
c.thioester
C. thioester
The carbon skeletons of the majority of amino acid are metabolized by entry into
a. glycolysis
b. electron transport
c. the kerb's cycle
c. the kerb's cycle
The conversion of arginine into ornithine and urea is best described as
Hydrolysis
The components of the electron transport scheme are in the
a. nuleus
b. cytoplasm
c. inner mitochondria membrane
C. inner mitochondria membrane
The initial step in the metabolism of amino acids is typically
removal of the amino group
The conversion of argininosuccinate into arginine and fumarate is best described as a what reaction?
a. cleavage
b.reduction
c.hydrolysis
A. cleavage
What does the Kerb cycle produce
NADH, FADH2, ATP, CO2
The control of the Kreb cycle is mainly by
A.synthesis of enyzmes
b. breakdown of existing enzymes
c. Alloestric enzymes
C. Alloestric enzymes