Enzyme(s) used PstI ECORI HincII Band sizes observed (kb) 5.3, 2.7 5.4, 2.6 Smal Xbal ВатHI 4.5, 3.5 6.7,1.3 4.0 (high intensity band) 3.9, 3.7,0.4
Enzyme kinetics
In biochemistry, enzymes are proteins that act as biological catalysts. Catalysis is the addition of a catalyst to a chemical reaction to speed up the pace of the reaction. Catalysis can be categorized as either homogeneous or heterogeneous, depending on whether the catalysts are distributed in the same phase as that of the reactants. Enzymes are an essential part of the cell because, without them, many organic processes would slow down and thus will affect the processes that are important for cell survival and sustenance.
Regulation of Enzymes
A substance that acts as a catalyst to regulate the reaction rate in the living organism's metabolic pathways without itself getting altered is an enzyme. Most of the biological reactions and metabolic pathways in the living systems are carried out by enzymes. They are specific for their works and work in particular conditions. It maintains the best possible rate of reaction in the most stable state. The enzymes have distinct properties as they can proceed with the reaction in any direction, their particular binding sites, pH specificity, temperature specificity required in very few amounts.
![Restriction mapping sample question
You have a 5.3 kb PstI fragment cloned into the PstI
site of the vector pUC19, which is 2.7 kb in size. This
vector has unique sites for the following enzymes in a
multiple cloning site:
PstI, HincII, Xbal, BamHI, SmaI, EcoRI
A restriction map of the 5.3 kb insert is prepared. The
recombinant plasmid is digested with the enzymes
listed above in single digests, and then several
combinations of enzymes are tested in double
digests. The following bands are observed when the
digests are run on a gel:
Enzyme(s) used
PstI
ECORI
HincII
Band sizes observed (kb)
5.3, 2.7
5.4, 2.6
4.5, 3.5
6.7, 1.3
| 4.0 (high intensity band)
3.9, 3.7, 0.4
4.0, 3.5, 0.5
3.5, 2.6, 1.9
3.7, 3.6, 0.4, 0.3
3.7, 2.2, 1.7, 0.4
3.7, 3.0, 0.9, 0.4
3.9, 3.5, 0.4, 0.2
Smal
Xbal
ВатHI
HinclI + Xbal
HincII + ECORI
XbaI + BamHI
ECORI + BamHI
Smal + BamHI
HincII + BamHI
Use the data above to construct a map of the cloned
insert. Note that fragments smaller than 100 bp will
not usually be visible on a gel, and that 2 fragments
with a similar size will run at the same spot on a gel –
resulting in a brighter band.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F10b499d1-964d-4ec7-83ca-475873961728%2Fa79b6764-602a-4c7b-9a20-798116ac76b6%2Frlp2bz_processed.jpeg&w=3840&q=75)
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