Table of Contents
Where does the synthesis phase take place?
The S phase of a cell cycle occurs during interphase, before mitosis or meiosis, and is responsible for the synthesis or replication of DNA. In this way, the genetic material of a cell is doubled before it enters mitosis or meiosis, allowing there to be enough DNA to be split into daughter cells.
What is synthetic phase?
Definition. (cell biology) A sub-phase in the interphase wherein the cell primarily duplicates its DNA via semiconservative replication. Supplement. In eukaryotes, the cell cycle is a cyclical series of biological events that certain asexual cells go through.
Why is it called the synthesis phase?
S phase, or synthesis, is the phase of the cell cycle when DNA packaged into chromosomes is replicated. This event is an essential aspect of the cell cycle because replication allows for each cell created by cell division to have the same genetic make-up.
Where does cell synthesis occur?
Protein synthesis is the creation of proteins. In biological systems, it is carried out inside the cell. In prokaryotes, it occurs in the cytoplasm. In eukaryotes, it initially occurs in the nucleus to create a transcript (mRNA) of the coding region of the DNA.
What happens in the M phase?
Cell division occurs during M phase, which consists of nuclear division (mitosis) followed by cytoplasmic division (cytokinesis). The DNA is replicated in the preceding S phase; the two copies of each replicated chromosome (called sister chromatids) remain glued together by cohesins.
What does chromosome literally mean?
Answer : Chromosomes are thread like structure which is composed of DNA and protein. The term “Chromosomes” literally means coloured body (chrom; colour, soma; body).
What are the six stages of the cell cycle?
The stages of the cell cycle in order are interphase, prophase, metaphase, anaphase and telophase. This process is known as mitosis and is used to generate new cells. The cell cycle contains six main stages: Interphase:It is the resting stage of a cell.
How does the cell cycle start?
Cell cycle begins with the formation of two cells from the division of a parent cell and ends when the daughter cell does so as well.
What is the correct order of the cell cycle?
The correct order of the cell cycle is G1, S, G2, M and possible exit into G0.
What phase is most protein synthesis occurs in?
Although some of the histone protein synthesis occurs in G1 phase, most of it is synthesized during S phase . DNA replication is semi conservative and discontinuous type which results in the formation of identical pairs of DNA molecules.