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anzhelika [568]
2 years ago
13

Pls help me, I can't afford to fail this class

Biology
1 answer:
shutvik [7]2 years ago
4 0

Answer:

the first one is diploid

meoisis produces haploid gametes that have half the number of chromosomes (23).

not sure about the rest

Explanation:

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Minchanka [31]

Answer:

If decomposers are removed from ecosystem,there would be no organic nutrients and all the dead plants would destroy the animals habitat. The ecosystem will be fill by plants and animal wastes as there will be no decomposition of waste material.

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2 years ago
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I need help 1 more time How does the Sun manage to maintain an environment in its core that is conducive to nuclear fusion? I'll
marissa [1.9K]

Answer:

Gravitational equilibrium helps maintain the environment in the Sun's core that is conducive to nuclear fusion. The Sun's gravitational equilibrium balances the gravity pulling inward and the pressure pushing outward. It keeps the Sun's size, denseness, and hotness stable, thus making nuclear fusion possible.

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3 years ago
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Some types of fish can generate an electric field around their body to communicate with other individuals of the same species (l
Neporo4naja [7]

Answer:

Animal behaviour is controlled by the physiological mechanism

Explanation:

There are the known species of fish which communicate with each other through electrical signals or in the form of the electric field. This is known as the electrocommunication and the electroreception.

The communication between two fishes through the electric field is controlled by the physiological mechanism present in the fish and shows that the fish behaviour is controlled by the physiological mechanisms of the fish.

Thus, Animal behaviour is controlled by the physiological mechanism is correct.

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3 years ago
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How do enzymes speed up chemical reaction?
Gekata [30.6K]

In the human body, enzymes function as catalysts to speed up reactions by helping to lower the activation energy needed to start a reaction.

Although some RNA molecules can also act as enzymes, proteins constitute the vast majority of enzymes.

The primary function of enzymes is to decrease the activation energy, or the energy required for a process to start. Enzymes bind to reactant molecules and hold them in place to enable the chemical bond-forming and bond-breaking processes.

The energy of the transition state, which products must pass through in order to become reactants, is reduced by enzymes. 

Instead of using energy to move till they collide at random, they might group the reactants together to make it easier for them to interact. They could direct the process along a different pathway with lower activation energy.

By tying them to the active site, they might place the reactants correctly. As a result, the reactants can interact with less energy because they won't have to fight against intermolecular forces that would normally try to separate them.

Temperature, ionic circumstances, and environmental pH all have an impact on how quickly an enzyme.

For more information on enzymes: brainly.com/question/13981863

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Present state and current conditions of the atmosphere.
sergejj [24]

Answer:

weather

Explanation:

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3 years ago
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