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Wittaler [7]
3 years ago
9

Which of the following is an example of chemical reaction

Biology
1 answer:
Sindrei [870]3 years ago
8 0

Answer:

A chemical reaction happens when one or more chemicals are changed into one or more other chemicals. Examples: iron and oxygen combining to make rust. vinegar and baking soda combining to make sodium acetate, carbon dioxide and water.

Explanation:

Hope this helps

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When bound by an agonist, transmembrane metabotropic receptors directly interact with and activate what protein?
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Answer:

G proteins. (Ans. B)

Explanation:

Metabotropic receptors are also called neurotransmitter receptor, they are indirectly linked with ions channels through the signal introductions mechanism on the plasma membrane of the cell & activating G-proteins. The Metabotropic receptor is activated by specific neurotransmitters (is known as a chemical messenger which delivers a signal across a chemical synapse, from 1 nerve cell to another target neuron).

G protein which is also called guanine nucleotide-binding proteins, that behaves as molecular switches inside the cells & they are involved in delivering the signals from stimuli outside the cell to its inside.  

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4 years ago
Organisms were originally categorized into just kingdoms. how many are there today?
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Traditionally, some textbooks from the United States used a system of six kingdoms<span> (Animalia, Plantae, Fungi, Protista, Archaea/Archaeabacteria, and Bacteria/Eubacteria) while textbooks in Great Britain, India, Australia, Latin America and other countries used </span><span>five kingdoms</span>
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3 years ago
Species extinctions can cause which of the following?
KATRIN_1 [288]
Spread of disease is the answer.

Disease can cause an epidemic which can lead to mass population decline.
8 0
3 years ago
Please help!! Will award Brainliest and 50 pts (:
dmitriy555 [2]

Bottom Strand of DNA. The 1st codon has been done for you.

Remember: There is no thymine in RNA!!

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notsponge [240]
Pesticides may end up in water sources (such as rivers and the sea), as a consequence they end up in the food chain. Not only this, human water systems could be affected, resulting in humans ingesting these pesticides.

Pesticide presence increases as you go up the food chain because more food will be consumed (e.g: The larger fish may eat several small fish who are contaminated with the pesticide).

Example:
Algae (absorbs pesticide)—> small fish —> Larger fish —> Human

Hope that helped <3
4 0
3 years ago
Read 2 more answers
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