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Which phase of a cell's lifecycle involves growth and preparation for cell division?

The interphase stage of a cell's lifecycle involves growth and preparation of the cell for division. Interphase includes the G1 phase, the S phase, and the G2 phase. The G1 and G2 phase includes production of proteins and cytoplasmic organelles. The S phase is the phase where chromosomes are duplicated.


What is the definition of G1 phase?

the first growth phase of the cell cycle consisting of the portion of Inter phase before DNA synthesis begin.


List the three stages of interphase?

Interphase proceeds in three stages, G1, S, and G2.G1 PhaseAfter mitosis is complete the new daughter cell begins to accelerate its biochemical processes which were slowed down by mitosis. The length of the G1 phase creates the difference between fast dividing cells and slowly dividing cells. The G1 phase can be slowed by reducing the nutrients available in a system - thus the cell will take longer to build up the resources necessary for cell division. If there is a severe depletion in nutrients the cells can virtually stop growing. It is interesting to note that cells that aren't growing are always stopped in the G1 phase, being mitotically arrested. This suggests that once the cell enters the S phase, it is committed to cell division, regardless of the external cell conditions.S PhaseThe S phase begins with the replication of the cellular DNA. This is described in further detail in DNA replication. When the cellular DNA has been duplicated, leaving the cell with twice as many chromosomes (each chromosome is made up of two identical chromatids), the cell moves onto the G2 phase.G2 PhaseDuring this phase proteins, such as kinase (which catalyzes protein phosphorylation), which are necessary for cell division are synthesized at this time. The chromosome begins to condense and the proteins necessary for construction of the mitotic spindle also are synthesized. When the chromosomes become visible the cell enters the first stage of mitosis, prophase.


How are the three subphases of interphase alike?

The first sub-phase is the G1 phase. In this phase, the daughter cell formed in mitosis grows in size, while maintaining normal metabolic rates. The second sub-phase is the S phase. In this phase, the DNA in the nucleus replicates itself. The third sub-phase is the G2 phase. In this phase, the cell prepares itself for mitosis by starting to condense the chromatin into chromosomes.


What are the 3 phases of interphase?

The three stages are G1 phase - the cell is functionally normally and begins to grow in size. The nuclear envelope begins to break down. S (Synthesis) phase - the cells DNA replicates G2 phase - The mitotic spindle, made from cytokinetic fibres, begins to form. The cell ensures that the correct number of chromosomes and organelles are present. If so, Interphase ends and cell division continues.

Related Questions

Which phase is part of interphase?

G1 phase is when cell growth occurs


What is first growth (G1) phase?

The other name for the first growth phase is called the G1 phase.


Is G1 phase part of the interphase?

G1 is part of the interphase. The cell cycle is: mitosis, G1, S (synthesis), G2 and finally mitosis again. G1, S and G2 are all part of the interphase.


Which phase occurs directly after G1?

g3


What are parts of interphase?

The three main parts of interphase are G1 phase, S phase, and G2 phase. During G1 phase, the cell grows and performs its normal functions. In S phase, the cell replicates its DNA. Finally, in G2 phase, the cell prepares for cell division.


How many chromosomes does a diploid cell in G1 phase have?

A diploid cell in G1 phase has 46 chromosomes.


Which is a part of interphase A.Prophase B.G1 phase C.Telophase D.Cytokinesis?

B. G1 phase. Interphase consists of three main stages: G1 phase, S phase (synthesis), and G2 phase. Prophase, telophase, and cytokinesis are stages of mitosis.


Longest phase in cell cycle?

The G1 phase


What is a part of inter-phase?

g2 phase


Which phase of the cell cycle is the most variable in duration in different cell type?

The G1 phase of the cell cycle is the most variable in duration among different cell types. This phase is characterized by cell growth and preparation for DNA replication in the S phase. The length of the G1 phase can vary depending on the cell type, cell size, and external factors.


Cells that are not dividing remain in the phase of what?

the G1 phase, dawg!


Together the G1 phase S phase and G2 phase are called?

interphase