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sweet [91]
3 years ago
10

Some bacteriostatic antibiotics work by binding to enzymes needed by bacteria to build proteins essential for their own growth a

nd reproduction. These drugs act as inhibitors to the bacterial enzymes but they target enzymes we don't have. Now, imagine you overhear your friend saying "antibiotics kill bacteria so they must kill healthy human cells too and they must be avoided at all costs!" Kindly explain to your friend (who has very little science background) how it is possible to target bacteria based on enzyme specificity. Be sure to include how targeting these enzymes is effective at stopping the infection.
Biology
1 answer:
Semenov [28]3 years ago
3 0

Answer: This statement ("antibiotics kill bacteria so they must kill healthy human cells too and they must be avoided at all costs!") is wrong and can be proven to be so in the following explanation about the mode of actions of antibiotics.

Explanation:

Antibiotics are drugs which are used for the treatment of diseases caused by bacteria microorganisms. According to their mode of action, they can either be bactericidal or bacteriostatic.

Bacteriostatic antibiotics work by binding to enzymes needed by bacteria to build proteins essential for their own growth and reproduction. Atypical example is the antibiotics, sulfonamide. This drug acts by inhibiting a critical enzyme called dihydropteroate synthase which are specific to the metabolic pathway of the bacteria cells for the synthesis of folic acid. This causes the bacteria to stop growing. Together with the actions of the immune system, the bacteriostatic actions of the antibiotics can effectively stop am infection without affecting the host cells.

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3 years ago
How is biodiversity important to the medical and pharmaceutical industries?
ladessa [460]

Answer:

The preservation of biodiversity provides a vital link to critically expand the molecular diversity necessary for successful drug discovery efforts in the future. ... This ongoing loss of biodiversity is altering ecosystem functions and the ability to provide goods and services for human health and well-being

Explanation:

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Four different samples of the same kind of matter that all started at a temperature of 20 °C had differen
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Explanation:

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Which of the following two events occur to create a sea breeze? Select all that apply. Warm air rises on the ocean and moves tow
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Answer:

Warm air rises on land and moves toward the ocean to cool

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The land heats up faster than the oceans during the day. This is because water has a high heat capacity and takes more energy to raise its temperatures by one degree (even in comparison to land). Therefore land heats up the air above it faster than the oceans. The air mass over land rises due to drop in density. The cooler and denser air mass above the oceans moves towards land to replace the rising warm air. This creates a cool breeze felt on land during the day as the cool air rushes in.  

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4 years ago
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