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koban [17]
3 years ago
12

Explain how bacteria become resistant to antibiotics

Biology
1 answer:
Misha Larkins [42]3 years ago
5 0

Answer:

Some bacteria due to their structures and physiology are inherently resistant to some antibiotics. This could be due to lacking transport mechanism or lacking receptor sites. Bacterium develop resistance mechanisms by using instructions provided by their DNA. Resistance genes are often found in plasmids which are small pieces of DNA that carry genetic instructions from one germ to another. Meaning that some bacteria can share their DNA and cam make other germs become resistant.

I hope this can help you and that it was clear.

Apologies if it wasn't

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What type of membrane provides lubrication to the pleural, pericardial, and peritoneal cavities?
jenyasd209 [6]

Answer;

-Serous membrane

Explanation;

-Serous membranes are thin membranes that lines the internal body cavities and organs such as the heart, lungs, and abdominal cavity. The thin membrane is made up of mesothelium tissue which originates from the mesoderm.

-These membranes consists of a single layer of flattened mesothelial cells applied to the surface of a thin layer of collagenous tissue that attaches to underlying endothoracic/transversalis fascia. They function to preclude adhesions among organs, thereby allowing organs to move freely relative to one another.

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3 years ago
A gene that controls betacarotene production has been successfully inserted into a common food crop. Name the technique used to
madam [21]

Answer:

The technique that is used in inserting a gene into a crop is genetic modification.

What is genetic modified crop?

A genetically modified organism (GMO) is a living organism whose DNA has been altered using genetic engineering techniques.

Humans have used breeding methods to modify organisms for thousands of years. Over generations, corn, cattle, and even dogs have been selectively bred to have certain desired traits.

The majority of GMO crops grown today were developed to assist farmers in preventing crop and food loss and controlling weeds.

The following are the most common traits found in GMO crops: Resistance to certain harmful insects, and Tolerance to certain weed-controlling herbicides.

Thus, with the help of genetic modification, a gene that controls beta-carotene production can be successfully inserted into a common food crop.

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1 year ago
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