Explain the cell cycle in details, Biology

Assignment Help:

Explain the cell cycle in details?

Most cells of higher organisms follow a cyclic pattern of division. The bulk of the cycle consists of the stage known as interphase, the period of cell growth and development. Interphase begins with a period of cell growth, which is called G1. In G1 the newly divided cell roughly doubles in size and in number of organelles.

The S-phase following G1 is when the fully developed cell undergoes DNA synthesis, or replication of DNA to form two identical sets, each of which will go to one of the daughter cells. DNA is located within the nucleus in the form of chromatin, combined with proteins called histones.

The gap, or growth phase called G2, follows. Most of G2 is involved in synthesis of proteins and other structures necessary for mitosis, or in the separation of the duplicated DNA strands, and no DNA is synthesized in G2.

During mitosis, strands of chromatin condense to form chromosomes, and the cell divides. Each chromosome contains a single linear molecule of helical DNA. The actual division of the cytoplasm and the cell itself is called cytokinesis. A new G1 or growth phase follows, and the cycle is repeated.

543_cell cycle.png


Related Discussions:- Explain the cell cycle in details

What is aflatoxin, Q. What is Aflatoxin? Aflatoxins are the most widely...

Q. What is Aflatoxin? Aflatoxins are the most widely studied of all mycotoxins. Knowledge of their existence dates from 1960, when more than 100,000 turkey died in England afte

State about heller nitric acid test, State about Heller's Nitric Acid Test ...

State about Heller's Nitric Acid Test Take 1 ml concentrated (fuming) nitric acid in a test tube and add 2 ml of urine by means of a pipette by the side of the test tube and la

Explain the role of bones in human biology, Explain the role of Bones in hu...

Explain the role of Bones in human biology? Bone is covered by a tough outer membrane called the periosteum. The periosteum contains systems of capillaries that supply the bone

Taxonmy, classification on taxonomy

classification on taxonomy

Therapeutic diets - qualitative methods, Therapeutic diets - Qualitative me...

Therapeutic diets - Qualitative methods Qualitative methods: This  is where  you  give  the individual choices,  clear guidelines, menu guidance and supporting  information  su

Counselling skills used in diabetes mellitus, Q. Counselling skills used in...

Q. Counselling skills used in diabetes mellitus? Information gathering is an important skill for understanding of the client. Behaviour is complex and, therefore it is importan

Intravenous drug abusers, The risk for IE among IV drug abusers, 2 to 5 per...

The risk for IE among IV drug abusers, 2 to 5 per cent per patient- year, is estimated to be several fold greater than that of patients with rheumatic heart disease or prosthetic v

What treatment should be used for cardiac tamponade, Q. What Treatment shou...

Q. What Treatment should be used for cardiac tamponade? Percutaneous Pericardiocentesis Cardiac tamponade is an acute emergency and percutaneous pericardiocentesis must b

Pulmonary arterial system changes, Q. Pulmonary Arterial System Changes ? ...

Q. Pulmonary Arterial System Changes ? a) Pulmonary Plethora With increased pulmonary arterial blood flow, pulmonary branches are visualized beyond the inner 2/3 of the lung

State the definition of soil, State the definition of soil The definiti...

State the definition of soil The definition of soil has changed a great deal from a thin "outer layer of  Earth's crust" to "a collection of natural bodies on the surface of th

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd