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3 years ago

How does the shape of an enzyme affect its function?

Chemistry

2 answers:

svet-max [94.6K]3 years ago

7 0

Answer:

B. The shape is matched to the reactants, holding them in place and lowering the activation energy.

Explanation:

Hello,

In biochemistry, enzymes are widely known as catalysts which allow biochemical reactions to be either carried out or fastened, in such a way their working principle lies on the dovetailing of the substrate into the enzyme's so called "actives sites" (attached figure) wherein the substrate is allowed to undergo the desired chemical reaction, thus, the activation energy is diminished so the chemical reaction becomes possible.

Best regards.

schepotkina [342]3 years ago

5 0

B. The shape is matched to the reactants, holding them in place and lowering the activation energy.

Enzymes have an active site. This is part of the molecule that has just the right shape and functional groups to bind to one of the reacting molecules. ... The enzyme and substrate form a reaction intermediate. Its formation has a lower activation energy than the reaction between reactants without a catalyst.

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What volume of hydrogen gas, when combined with nitrogen gas,

Westkost [7]

The volume of Hydrogen gas : 24 L

<h3>Further explanation</h3>

Given

16 L Ammonia(NH₃)

Required

The volume of Hydrogen gas

Solution

Reaction

N₂ + 3H₂ ⇒ 2NH₃

Avogadro's hypothesis:

In the same T,P and V, the gas contains the same number of molecules

So the ratio of gas volume will be equal to the ratio of gas moles

V₁/n₁=V₂/n₂

From the equation, mol ratio of H₂ : NH₃ = 3 : 2, so volume of H₂ :

= 3/2 x volume of NH₃

= 3/2 x 16 L

= 24 L

5 0

3 years ago

At 25 oC, the rate constant for the first-order decomposition of a pesticide solution is 6.40 x 10-3 min-1. If the starting conc

Ira Lisetskai [31]

Answer:

$2.11\ * 10^{-2}$ is the correct answer to the given question.

Explanation:

Given k=6.40 x 10-3 min-1.

According to the first order reaction .

The concentration of time can be written as

$[\ A\ ]\ = \ [\ A_{0}\ ] * e \ ^\ {-kt}$

Here $[\ A\ ]_{0}$ = Initial concentration.

So $[\ A\ ]_{0}= 0.0314 M$

Putting this value into the above equation.

$0.0314 \ *\ e^{6.40 x 10^{-3} \ * \ 62.0 }$

=0.211 M

This can be written as

$=\ 2.11 *\ 10^{-2}$

3 0

3 years ago

The compound fes is an example of a(n) element ionic compound covalent compound atom

vfiekz [6]

FeS is an example of an ionic compound as in the formula there is a metal of Fe iron chemically bonded to the nonmetal S sulphur. Resulting in a strong electrostatic attraction due to the transfer of valence electrons from the iron to the Sulphur.

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3 years ago

A student measures the mass of an 8 cm block of brown sugar to be 12.9 g. What is the density of

horrorfan [7]

Answer:

0.0025g/cm³

Explanation:

Given parameters:

Mass of the brown sugar = 12.9g

dimension of the sugar = 8cm

unknown:

density of the sugar = ?