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2 years ago

What are the components of the CNS ?

Biology

1 answer:

uysha [10]2 years ago

5 0

The components of the CNS are the brain and spinal cord.

<h3>What is the most important part of the nervous system?</h3>

It is the most important organ of the nervous system. Considered the most voluminous organ, as it occupies most of the brain, the brain is divided into two symmetrical parts: the right hemisphere and the left hemisphere.

The central nervous system is made up of two basic parts: the brain and the spinal cord. The brain is contained within the braincase, and the spinal cord is contained within the vertebral column, in the vertebral canal.

See more about central nervous system at brainly.com/question/17520523

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A student is studying the amino acid sequence of a protein shared by four organisms. The student wants to know which organism is

MariettaO [177]

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Organism D.

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The amino acid sequence of the proteins can also be used to study the evolutionary relationship between the organisms and the closeness of teh organisms with each other. In the question it is give that organisms A and D has least difference ( 1 amino acid sequence difference) and more related with each other.

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FinnZ [79.3K]

The correct option is A.
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4 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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