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Masja [62]
3 years ago
11

The characteristics of the active site microenvironment of an enzyme can be largely independent of individual catalytic mechanis

ms. In general, active site microenvironments promote catalysis in which of the following ways
Biology
1 answer:
Valentin [98]3 years ago
8 0

Answer: (1) Providing an optimized orientation of the substrate.

(2) Decreasing the ∆G in reaction.

(3) Excluding excess water.

Explanation: The active sites of enzymes increase the rate of reaction because they decrease the activation energy of the reaction,and the physical microenvironment provides an optimal orientation of the substrate relative to reactive functional groups while excluding excess solvent,such as water.

Although some active sites may have amino acids that form salt bridges with the amino acids from a substrate,not all do, so this is not a generic strategy of active site microenvironments

*Gotten directly from Quizlet*

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An earthquake with a(n) of 7.2 releases about 30 times as much energy as an earthquake that registers 6.2 on the Richter scale.
Ksju [112]

Answer:

The correct answer is - magnitude.

Explanation:

The earthquake is measure by the Richter scale in the unit of magnitude. It is the size of the earthquake in the length into the width and the slip. Magnitude is nothing but the distance or the power or extent of the earthquake.

There are different energy at different measures of magnitude on the Richter scale. Magnitude of 7.2 releases 30 times more energy than the energy releases by 6.2 magnitudes.

4 0
2 years ago
What is a landfill? Check all that apply.​
raketka [301]
Landfill is a carefully designed structure built into or on top of the ground in which trash is isolated from the surrounding environment (such as rain and air ). This isolation is accomplished with a bottom liner and everyday it is covering with soil.
3 0
2 years ago
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What causes the atrioventricular valves to close during a heartbeat? a Pressure in the atria is higher than in the ventricles. b
max2010maxim [7]

Answer:

The correct answer is -  b Pressure in the atria is lower than in the ventricles.

Explanation:

The atrioventricular valves close when the pressure in the ventricles is more than the pressure in the atria. Which leads to the contraction of the papillary muscles to shut the leaflets of the valves,

When the ventricles relax, atrial pressure exceeds ventricular pressure, the AV valves are pushed open and blood flows into the ventricles. However, when the ventricles contract, ventricular pressure exceeds atrial pressure causing the AV valves to snap shut.

6 0
2 years ago
What Intermediary Products are produced in the Kreb Cycle that “feed “ the E.T.C.?
Bumek [7]

Answer: These products from the citric acid cycle are made in the mitochondria of your cells.. During oxidative phosphorylation, NADH and FADH 2​start subscript, 2, end subscript are transported to the electron transport chain, where their high energy electrons will ultimately drive synthesis of ATP.

6 0
3 years ago
List three types of specimens a dissecting microscope might be used to view.
Rus_ich [418]

1. Simple optical microscope. One lens.
Disadvantage: Only Van Leeuwenhoek made them, and he's dead.
Advantage: Worked pretty well. With them, Van Leeuwenhoek discovered protozoa and bacteria.

2. Compound optical microscope. Has both an ocular and objective lens.
Disadvantage: limited resolution. Can resolve bacteria, but not smaller things like viruses.
Advantage: can be used with live specimens (using phase contrast or polarized or other special illumination).

3. Binocular dissecting microscope (optic). Has a pair of ocular and objective lenses, and supposedly presents a "3D" view of the specimen to the viewer (I was never able to see in 3D using these darn things).
Disadvantage: Limited magnification
Advantage: Can be used to perform surgery on small but not microscopic specimens, such as fruit flies. Is used in "microsurgery" in hospitals too.

Hope this helps buddy!
8 0
3 years ago
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