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Agata [3.3K]
3 years ago
14

The key element found in compounds?​

Biology
2 answers:
Alex Ar [27]3 years ago
6 0

The most common elements present in organic compounds are carbon, hydrogen, oxygen, and nitrogen.

Arisa [49]3 years ago
6 0

Answer:

carbon dioxide CO2 carbon (C) and oxygen (O)

sodium chloride NaCl sodium (Na) and chlorine (Cl)

sodium hydroxide NaOH sodium (Na), oxygen (O) and hydrogen (H)

calcium chloride CaCl2 calcium (Ca) and chlorine (Cl)

Explanation:

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Which type of neutron transmite a signal from Sense organ to the central nervous system?​
Alborosie

Answer:

sensory neurons

Explanation:

Sensory neurons carry nerve impulses from sense organs and internal organs to the central nervous system.

5 0
3 years ago
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How are humans immune to infectious diseases after they have already contracted the disease previously? and How do vaccinations
Varvara68 [4.7K]

Answer:

Explanation:

Immunity to a disease is achieved through the presence of antibodies to that disease in a person's system. Antibodies are proteins produced by the body to neutralize or destroy toxins or disease-carrying organisms. Antibodies are disease-specific. Viruses make us sick by killing cells or disrupting cell function. Our bodies often respond with fever (heat inactivates many viruses), the secretion of a chemical called interferon (which blocks viruses from reproducing), or by marshaling the immune system's antibodies and other cells to target the invader. A vaccine works by training the immune system to recognize and combat pathogens, either viruses or bacteria. To do this, certain molecules from the pathogen must be introduced into the body to trigger an immune response. These molecules are called antigens, and they are present on all viruses and bacteria.  

6 0
3 years ago
If methylene blue dye is added to a suspension of yeast cells, any living cells
GenaCL600 [577]

The correct option is that the higher the temperature of Y the more colorless cells it contains and is denoted as option B.

<h3>What is Temperature?</h3>

This us defined as the degree of hotness or coldness of a body and is dependent on thermal energy.

High temperature will denature yeast as a result of its rich protein content and increasing the temperature will therefore leads to the presence of more colorless cells in Y which are able to act on it.

Read more about Temperature here brainly.com/question/2331658

#SPJ1

4 0
2 years ago
What is the best microscope to get a detailed view of the parts inside of a preserved plant cell?
Natalija [7]
A light microscope, I don't think it would be an electron microscope because we're talking about PRESERVED plant cells.
8 0
3 years ago
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What is one way in which bacteria are different from viruses
larisa86 [58]

Viruses are even smaller than bacteria and require living hosts — such as people, plants or animals — to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.

Hope this helps (:

8 0
3 years ago
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