What is the role of esophagus

1 answer:

6 0

The esophagus is a long, thin tube that connects the throat to the stomach. It forms the important piece of the gastrointestinal tract and functions as the conduit for food and liquids that have been swallowed into the throat to reach the stomach

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Advantages of written communication

Pachacha [2.7K]

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Advantages of written communication: Easy to preserve: The documents of written communication are easy to preserve. Oral and non-verbal communication cannot be preserved. If it is needed, important information can be collected from the preserved documents.

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What is used to find genetic defects and involved take samples of hair-like material that surrounds the unborn baby?

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Chorionic Villus Sampling. Definition: CVS is a test where the doctor collects a tiny piece of the placenta, called chorionic villus, which is then tested to check for chromosomal or genetic disorders in the baby.

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Which structures are part of the appendicular skeleton?

kompoz [17]

It is the rib cage (thoracic cage)

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Which of the following do scientists use to reinforce the integrity of their scientific investigations and reported data? I. exp

MissTica

Publication in journals
you see that a lot today
Hugs ~L

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3 years ago

Not one of the ways that bacteria have adapted to become resistant to antimicrobial agents.

Dominik [7]

Answer:

Explanation:

An antimicrobial agent is a natural or synthetic chemical that kills or inhibits the growth of microorganisms. Bacteria have a mechanism of transferring genomic material called horizontal gene transfer, the movement of genes between cells that are not direct descendants of one another. Horizontal gene transfer allows cells to quickly acquire new characteristics and drives metabolic diversity. One of the characteristics usually acquired is the resistance to antibiotics.

Three mechanisms of genetic exchange are known in prokaryotes:

(1) transformation, in which free DNA released from one cell is taken up by another; (2) transduction, in which DNA transfer is mediated by a virus; and (3) conjugation, in which DNA transfer requires cell-to-cell contact and a conjugative plasmid in the donor cell.

Examples of genes transferred by transducing bacteriophages include multiple antibiotic resistance genes among strains of Salmonella enterica serovar Typhimurium, Shiga-like toxin genes in Escherichia coli, virulence factors in Vibrio cholerae, and genes encoding photosynthetic proteins in cyanobacteria.

Conjugative plasmids use a mechanism to transfer copies of themselves and the genes they encode, such as those for antibiotic resistance, to new host cells.

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3 years ago