<h2>Answer:</h2>
The correct statement is option A which is, "A gene is a segment on the DNA. DNA is wrapped in proteins to form a chromosome".
<h3>Explanation:</h3>
- A gene is the part of DNA in the nucleus which encodes for the specific trait in the body. DNA is the nucleotide sequence which is the blue print for the whole organism. It contains genes for all the structures and functions in the body.
- So it is very long sequence containing the million of genes. So in nucleus it is present in compress form. It is wrapped on the histones proteins and condense and supersondense into a specific structure which is known as chromosome.
Conjugation, transduction, & transformation are three separate natural methods of genetic transmission between bacterial cells.
<h3>Write about a cell.</h3>
The most basic form capable of supporting life and compensating all other living entities, including tissues in the body. The three main parts of a cell are the cellular walls, the nucleus, and the cytoplasm. The cellular membranes, which encloses the cell, controls the chemicals that enter and exit the cell.
<h3>What is a cell used for?</h3>
They provide the body with structure, take in nutrients from food, convert those into energy, and carry out certain functions. Cells also contain the genetic material of the organism and are capable of self-replication.
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We shiver and produce goosebumps to “turn on the heat”, and we sweat to “turn on the cool.” an organism must be able to maintain stable internal conditions in a changing environment