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3 Days Study Plan: Cell Cycle & Cell Division | Biology Class 11 - NEET PDF Download

A close analysis of Botany Chapter ‘Cell Cycle & Cell Division’ based on previous 22 years of exam questions (between 2000-2021) suggests that the overall weightage of this chapter in the NEET Exam is 2%. 

Here is the list of things you need to keep in mind for studying Biology for NEET. 
a. Focus on diagrams
b. Focus on the back exercise of NCERT. Read the book line by line.
c. Check the weightage of different chapters from the analysis of previous year's papers and revise the important chapters again and again. 

This chapter is important as it forms your base for Cell Biology. Therefore, give extra emphasis on learning the facts stated in this chapter. 

Below given is the complete strategy on how to prepare for  Cell Cycle & Cell Division:

Day 1: Cell Cycle & Mitosis

Day 2: Meiosis & Significance of Meiosis

Day 3: Previous Year Questions and Revision

The document 3 Days Study Plan: Cell Cycle & Cell Division | Biology Class 11 - NEET is a part of the NEET Course Biology Class 11.
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FAQs on 3 Days Study Plan: Cell Cycle & Cell Division - Biology Class 11 - NEET

1. What is the cell cycle and how is it regulated?
The cell cycle refers to the series of events that a cell goes through as it grows and divides into two daughter cells. It consists of interphase, where the cell grows and prepares for division, and mitosis, where the cell divides into two identical cells. The cell cycle is regulated by a complex network of proteins, including cyclins and cyclin-dependent kinases (CDKs), which control the progression of the cell cycle by activating or inhibiting specific components at different checkpoints.
2. What are the different phases of the cell cycle?
The cell cycle consists of several distinct phases, including interphase and mitosis. Interphase is further divided into three phases: G1 phase, where the cell grows and carries out its normal functions; S phase, where DNA replication occurs; and G2 phase, where the cell continues to grow and prepares for division. Mitosis, the division phase, is divided into four stages: prophase, metaphase, anaphase, and telophase.
3. How does the cell cycle ensure accurate DNA replication and distribution?
During the S phase of interphase, DNA replication occurs to ensure that each daughter cell will receive a complete set of genetic information. The cell cycle also includes checkpoints, such as the G2/M checkpoint, which ensures that DNA replication is complete and accurate before the cell proceeds to mitosis. Additionally, the spindle checkpoint in mitosis ensures that the chromosomes are properly aligned and attached to the spindle fibers before they are separated and distributed to the daughter cells.
4. What are the consequences of cell cycle dysregulation?
Dysregulation of the cell cycle can lead to various consequences, including uncontrolled cell division and the development of cancer. Mutations or alterations in the genes that control the cell cycle can disrupt the normal progression of the cell cycle, leading to uncontrolled cell growth and tumor formation. Conversely, defects in DNA replication or distribution during the cell cycle can result in genetic abnormalities and cell death.
5. How do cancer treatments target the cell cycle?
Many cancer treatments, such as chemotherapy and radiation therapy, target the cell cycle to specifically kill rapidly dividing cancer cells. These treatments take advantage of the fact that cancer cells often have a higher proliferation rate than normal cells. Chemotherapy drugs can interfere with different phases of the cell cycle, inhibiting DNA replication or preventing cell division. Radiation therapy, on the other hand, damages the DNA of rapidly dividing cells, leading to their death. By targeting the cell cycle, these treatments aim to selectively kill cancer cells while minimizing damage to healthy cells.
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