In the process of binary fission ___________________. The chromosome divides while in the nucleoid and then is attached to the cell membrane before cell division Chromosome replication begins at the plasma membrane where daughter chromosomes are anchored to different portions of the membrane The cell begins elongating, and the chromosome is completely replicated before it is moved to the other side of the cell The chromosome is transferred through the sex pilus to the awaiting daughter cell which is DNA free until that point
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Step 1: Chromosome replication begins at the plasma membrane where daughter chromosomes are anchored to different portions of the membrane. Show more…
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How do daughter cells obtain their DNA? The DNA in the parent cell nucleus makes a copy of itself and is then split between the two daughter cells during mitosis. Original chromosomes from the parent cell split in half and then each half goes to one of the two daughter cells during the cell cycle. The DNA in the parent cell nucleus makes a copy of itself and is then split between the two daughter cells during meiosis. Original chromosomes from the parent cell split in half, and then each half goes to one of the two daughter cells during cytokinesis.
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In bacteria: a. several chromosomes undergo mitosis. b. binary fission produces four daughter cells. c. replication begins at the origin ( ori), and the DNA strands separate. d. the plasma membrane plays an important role in separating the duplicated chromosomes into the two daughter cells. e. the daughter cells receive different genetic information from the parent cell.
A cell containing a single chromosome is placed in a medium containing radioactive phosphate, making any new DNA strands formed by DNA replication radioactive. The cell replicates its DNA and divides. Then the daughter cells (still in the radioactive medium) replicate their DNA and divide, resulting in a total of four cells. Sketch the DNA molecules in all four cells, showing a normal (nonradioactive) DNA strand as a solid line and a radioactive DNA strand as a dashed line.
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