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Delicious77 [7]
3 years ago
13

What are the characteristics necessary to be considers a living thing

Biology
1 answer:
masha68 [24]3 years ago
3 0
That thing would need to rely on some source of food to live. Plants are living and they rely on sun and water. Humans rely on calories.
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Why are antibiotics effective in curing diseases against some pathogens but not others?
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Answer:

The correct answer is "I, II, and III".

Explanation:

The missing options of this question are:

I only

II only

III only

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The correct answer is "I, II, and III".

Antibiotics are of different spectrums of activity depending on the number of pathogens they can kill. They are different reasons for this differences in antibiotic specificity:

I. Antibiotics interrupt processes found in some but not all pathogen cells. For instance, some antibiotics are directed to cell walls that not all bacteria posses.

II. Some pathogens have no metabolic processes to interrupt. The antibiotics that are directed to metabolic reactions of bacteria are not effective in treating viruses because they do not perform this metabolic reactions.

III. Some pathogens have developed genetic resistance to specific antibiotics. Bacteria have a remarkable genetic plasticity having plasmids that can be easily transmitted among them, which give them antibiotic resistance.

7 0
3 years ago
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Serga [27]

Answer:

C

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Explanation:

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This reaction is called a condensation reaction. It is also known as  a dehydration reaction.

When three fatty acids become attached to a glycerol molecule, a triglyceride is formed.  The fatty acids become attached to the glycerol through a condensation reaction named so because 3 water molecules are formed from the 3 OH groups from the fatty acid chains and 3 H atoms from the glycerol.

The bond formed between the fatty acid chain and the glycerol is called an ester linkage.



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