DNA COPYING occurs in the presence of proteins
thus it is necessary
Cell division is primarily controlled by genes that encode various proteins, including cyclins and cyclin-dependent kinases (CDKs), which regulate the cell cycle. DNA polymerase plays a critical role in DNA replication during cell division but does not directly control the process itself. Instead, it is the interactions and activities of these proteins, guided by the genetic information in DNA, that orchestrate the complex regulatory mechanisms of cell division. Thus, genes and their protein products are key regulators in this process.
Proteins called internal regulators and external regulators control the cell cycle. Internal regulatory proteins allow the cell cycle to proceed only when certain events have occurred in the cell itself. External regulatory proteins direct cells to speed up or slow down the cell cycle.
Internal regulators are mechanisms within an organism that control their biological processes, such as hormones that maintain homeostasis. External regulators are environmental factors outside the organism that influence its biological responses, like temperature or availability of nutrients. Both internal and external regulators play key roles in determining an organism's growth and development.
mitoconderia
The three main regulators of the cell cycle are cyclins, cyclin-dependent kinases (CDKs), and checkpoints. Cyclins bind to CDKs to activate them at specific points in the cell cycle, triggering progression from one phase to the next. Meanwhile, checkpoints monitor cell cycle progression and can pause or stop the cycle if errors or damage are detected.
External regulators are proteins that respond to events outside the cell. These proteins direct cells to speed up or slow down the cell cycle, like traffic lights. For example, growth factors are one of the most important external regulators, and they stimulate the growth and division of cells. These differ from internal regulators in the fact that they respond to events inside the cell. Internal regulators allow the cell to proceed only when certain processes have happened inside the cell. Hope this helps! : )
cyclins proteins (cell regulators)
Internal Regulators Proteins that respond to events inside the cell are called internal regulators. Internal regulators allow the cell cycle to proceed only when certain processes have happened inside the cell. For example, several regulatory proteins make sure that a cell does not enter mitosis until all its chromosomes have been replicated. Another regulatory protein prevents a cell from entering anaphase until all its chromosomes are attached to the mitotic spindle. Internal Regulators Proteins that respond to events inside the cell are called internal regulators. Internal regulators allow the cell cycle to proceed only when certain processes have happened inside the cell. For example, several regulatory proteins make sure that a cell does not enter mitosis until all its chromosomes have been replicated. Another regulatory protein prevents a cell from entering anaphase until all its chromosomes are attached to the mitotic spindle. Internal regulators are proteins that respond to activity within a cell.
Proteins called internal regulators and external regulators control the cell cycle. Internal regulatory proteins allow the cell cycle to proceed only when certain events have occurred in the cell itself. External regulatory proteins direct cells to speed up or slow down the cell cycle.
Internal cell regulators are proteins that respond to changes within a cell.For example, a normal cell will not enter the mitosis stage of cell division till the entire DNA is replicated. This check is regulated by a protein within the cell. This protein is the internal cell regulator.
The production of proteins
Internal regulators are mechanisms within an organism that control their biological processes, such as hormones that maintain homeostasis. External regulators are environmental factors outside the organism that influence its biological responses, like temperature or availability of nutrients. Both internal and external regulators play key roles in determining an organism's growth and development.
mitoconderia
The cell cycle is regulated by a variety of checkpoints that monitor cell growth, DNA replication, and division. Key regulatory proteins, such as cyclins and cyclin-dependent kinases (CDKs), help control progression through the cell cycle by phosphorylating target proteins. If errors or abnormalities are detected at these checkpoints, the cell cycle can be halted to allow for repair or trigger programmed cell death (apoptosis).
Cancer
The three main regulators of the cell cycle are cyclins, cyclin-dependent kinases (CDKs), and checkpoints. Cyclins bind to CDKs to activate them at specific points in the cell cycle, triggering progression from one phase to the next. Meanwhile, checkpoints monitor cell cycle progression and can pause or stop the cycle if errors or damage are detected.
Kinetins are cell division factors which are found in various plant parts and in yeast. They are used as plant growth regulators.