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Cell cycle


The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to .... Even in animals, cytokinesis and ...

What is the function of the genetic material in a cell? | Reference.com


The two main functions of the genetic material in a cell, also known as DNA, are ... Animal Cells Actively Replicate Their Genetic Material during · Phases of ...

Viral Life Cycles in Cells


As discussed in lecture 1, there is a period between infection of a cell and .... In animals, most cells are not actively dividing, and are arrested in the G1 ... The early genes encode proteins that are required for viral DNA replication ... As discussed previously, many families of animal viruses have RNA as their genetic material.

The Life Cycle of Cells - Molecular Cell Biology - NCBI Bookshelf


A cell in an adult organism can be viewed as a steady-state system. ... Either event sets off a cell-replication program that is encoded in the DNA and executed by proteins. ... each containing an identical copy of the parental cell's genetic material. ... The immune-system cells not only actively survey their environment with ...

Interphase - Boundless


Cells must grow and duplicate their internal structures during interphase ... Cells spend most of their lives in interphase, specifically in the S phase where genetic material ... the stage in the life cycle of a cell where the cell grows and DNA is replicated ... At the center of each animal cell, the centrosomes of animal cells are  ...

Cell Biology/Cell division/Mitosis - Wikibooks, open books for an ...


Mitosis divides genetic information during cell division. ... This phase is where the cell grows and copies its chromosomes in preparation for cell division. ... and nuclear division that follows replication of the genetic material in eukaryotic cells. ... formation and other similar processes, which makes the parent cell still active.



The nucleic acid carries the virus's genome--its collection of genes--and may ... is a dormant particle; but within an appropriate host cell, it becomes an active ... Occasionally during the prophage's exit, some of the host cell's genetic material will be ... Viral infections of plant and animal cells resemble those of bact...

cell - Cell division and growth | biology | Britannica.com


In unicellular organisms, cell division is the means of reproduction; in multicellular ... the genetic information encoded in its DNA in order for its progeny cells to ... In order for DNA to replicate, the two strands must be unwound from each other. ... In animal cells cytokinesis is achieved through the constriction of the cell by a...

Microbiology - MCAT Review


They depend on the host's replication organelles to replicate. ... Virus infects cell: host DNA degraded into fragments, viral DNA takes over control. ... Their genetic material is located in an irregular region called the nucleoid. ... Regulation at the transcription level: some genes are actively transcribed, while others are not.

Cell Biology/Print version - Wikibooks, open books for an open world


Cells are structural units that make up plants and animals; also, there are ... Nucleus (in eukaryotes) - where genetic material (DNA) is located, RNA is transcribed. ... for example, like mitochondria they contain their own DNA and self -replicate. .... and animals or humans reproduce actively without any help from outside.

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The cell cycle, mitosis and meiosis — University of Leicester


Chromosomes replicated during the S phase are divided in such a way as to ensure that ... In actively dividing animal cells, the whole process takes about one hour. ... This separation of the genetic material in a mitotic nuclear division (or ... led by their centromeres, migrate to the equatorial plane in the mid-line of the cell  ...

Phases of the cell cycle | The cell cycle and mitosis | Cell division ...


During the mitotic (M) phase, the cell separates its DNA into two sets and divides its ... In order to divide, a cell also needs to make a copy of its genetic material, allowing it ... In animals, cell division occurs when a band of cytoskeletal fibers called the ... 0, end subscript, a cell is not actively dividing, it's just carry...

The Eukaryotic Cell Cycle - The Cell - NCBI Bookshelf


In bacteria, cell growth and DNA replication take place throughout most of the ... the cell is metabolically active and continuously grows but does not replicate its DNA. .... The proliferation of most animal cells is similarly regulated in the G1 phase of ... the daughter cells failed to inherit complete copies of the genetic material...