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Virty [35]
3 years ago
8

How do enzymes interact only with specific substrates?

Biology
2 answers:
arsen [322]3 years ago
7 0

Explanation:

enzymes interact only with specific substrates by this way they have active sites and specific shape of the active site which allow only the particular substrates attach to the active site.

The two theories which explain the enzyme-substrate interaction are

  • lock and key model
  • induced-fit model

Enzymes function is to increase the reaction rate that takes occurs within cells.

Thus enzyme interact only to a specific substrate for the biochemical reaction catalyze same as the lock and key.

Taya2010 [7]3 years ago
4 0
They have a certain shape of active sites which only fit in certain substrates
See lock and key theoru
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The indentation on the medial surface of each lung through which pulmonary and systemic blood vessels, bronchi, lymphatic vessel
natulia [17]

Answer:

Hilum.

Explanation:

Hilum may be defined as the type of the depression or the fissure and may present in kidney known as kidney hilum, present on spleen and the lungs. This is also known as hilus.

The hilum marks the entry and exit of the nerves and the blood vessels. The lung hilum is a triangular like depression through which the blood vessels, capillaries and the nerves enter and leave in the lungs and connects the other organ of the body.

Thus, the correct answer is option (d).

3 0
3 years ago
PLEASE SOMEONE AWNSER THIS FOR REALLLL PLEASEEEEE
ziro4ka [17]

Answer:

It is pertinent to understand what hypertonic, hypotonic, and isotonic solution means before setting out to explain how a cell reaches equilibrium in each type of solution.

A hypertonic solution is one whose solute concentration is higher than that of the sap of a cell that is immersed in it.

A hypotonic solution is one with the same solute concentration as that of the sap of the cell immersed in it.

An isotonic solution has a lower solute concentration than that of the sap of the cell immersed in it.

In biological systems, water molecules move by osmosis from the region of higher water potential or lower concentration of solutes to the region of lower water potential or higher concentration of solute. An equilibrium is reached when there is no net movement of water between two sides. Hence;

A cell placed in a hypertonic solution will lose water to the surrounding solution until an equilibrium is reached. This means that such a cell will end up shrinking (wilting) or even dying due to loss of water from the cell sap.

A cell placed in a hypotonic solution will gain water from the surrounding solution until there is no net movement of water anymore. Such a cell might become turgid or even burst out its cell content.

A cell placed in an isotonic solution will neither gain nor lose water because the cell sap and the surrounding solution have equal solute concentrations.

Explanation:

3 0
2 years ago
PLEASE HURRY WILL MARK BRAINLIST What is an animal-like, unicellular protist called? protozoan euglenoid slime mold decomposer
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Answer:

Your answer would be protozoan!

Hope this helps!
3 0
3 years ago
Science is best known for
andreyandreev [35.5K]

Science is best known for logics.

Science is so interesting such that it method of processing and validating logics and facts with verifiable hypothesis and experimental evidence.

This scientific method is also an empirical method of acquiring knowledge which simply involves making observation, establishing hypothesis, designing experiment, analysing result and drawing conclusions.

A hypothesis is a reasonable explanation for a particular observed natural phenomena.

<h3>What is science?</h3>

Science can simply be defined as the intellectual and practical activity encompassing the systematic study of the structure and behaviour of the physical and natural world through observation and experiment.

So therefore, science is best known for logics

Learn more about science:

brainly.com/question/17216882

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8 0
1 year ago
What is a nucleolus and where is it found??
MariettaO [177]

a nucleolus is a small spherical structure found in the nucleus of a cell, it takes up about 25% the space in rhe nucleus and synthesises ribosome

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