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Use the drop-down menus to complete the statements.    A cell can be  ​ ​   differentiated replaced   during mitosis. Chromosomes are   ​ ​   separated replicated  during interphase and become  ​ ​   separated  replicated   during mitosis. The cell divides in two during  ​ ​   mitosis  interphase   cytokinesis  , resulting in daughter cells that are  ​ ​   separated  replicated   the parent cell.  identical to different from

Use the drop-down menus to complete the statements.    A cell can be  ​ ​   differentiated replaced   during mitosis. Chromosomes are   ​ ​   separated replicated  during interphase and become  ​ ​   separated  replicated   during mitosis. The cell divides in two during  ​ ​   mitosis  interphase   cytokinesis  , resulting in daughter cells that are  ​ ​   separated  replicated   the parent cell.  identical to different from

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
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Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Use the drop-down menus to complete the statements. 

 

A cell can be 
​
​
 
  • differentiated
  • replaced 
 during mitosis. Chromosomes are  
​
​
 
  • separated
  • replicated
 during interphase and become 
​
​
 
  • separated 
  • replicated 
 during mitosis. The cell divides in two during 
​
​
 
  • mitosis 
  • interphase  
  • cytokinesis 
, resulting in daughter cells that are 
​
​
 
  • separated 
  • replicated 
 the parent cell. 
identical to
different from
 
**Interphase and Mitosis** Most cells grow, perform activities, and divide to make new cells. Eukaryotic cells divide to create new cells through the processes of mitosis or meiosis. The series of steps that a cell undergoes in its growth and development is called the cell cycle. The two main phases in the cell cycle are interphase and mitosis. Mitosis is the process where a parent cell with copied DNA separates and results in daughter cells that are identical to the parent cell. The cell spends most of its time in interphase as it passes through the cycle. Checkpoints and regulator molecules control the cell cycle. Regulator molecules either promote a cell through the cycle or halt the cycle. Positive regulation molecules are proteins that move a cell through the cycle when it meets the correct requirements. If the cell does not meet the requirements, negative regulation molecules will either try to repair the damage or signal for apoptosis. In order for a cell to move through the cycle, it must go through several checkpoints. The G₁ checkpoint makes sure that the cell has favorable conditions for division. The cell must have enough growth and energy reserves to proceed onto the next phase of the cycle. At this stage, DNA is also inspected for damage. DNA that is not suitable, or cannot be repaired, will not move through to the S phase to be replicated and will exit the cell cycle by entering the inactive G₀ phase. The cell encounters the next review at the end of the G₂ phase. The G₂ phase includes protein synthesis and another round of growth. The G₂ checkpoint assesses the size and protein reserves of the cell as well as the accuracy of the chromosome replication. If DNA is damaged, the cell tries to repair the damage before the beginning of mitotic division. The M checkpoint determines if all of the sister chromatids are properly attached to spindle microtubules and ready for separation. The model shows the checkpoints of the cell cycle. **Diagram Explanation:** The diagram outlines the cell cycle with checkpoints during interphase and mitosis: 1. **Interphase:** - **G₁ Phase:** The first growth phase, where the cell grows and performs normal functions. G₁ checkpoint ensures favorable conditions for DNA replication. - **S Phase:** DNA is replicated. - **G₂ Phase:** Second growth phase, where the cell prepares for mitosis. G₂ checkpoint verifies DNA replication. 2. **Mitotic Phase:**
Transcribed Image Text:**Interphase and Mitosis** Most cells grow, perform activities, and divide to make new cells. Eukaryotic cells divide to create new cells through the processes of mitosis or meiosis. The series of steps that a cell undergoes in its growth and development is called the cell cycle. The two main phases in the cell cycle are interphase and mitosis. Mitosis is the process where a parent cell with copied DNA separates and results in daughter cells that are identical to the parent cell. The cell spends most of its time in interphase as it passes through the cycle. Checkpoints and regulator molecules control the cell cycle. Regulator molecules either promote a cell through the cycle or halt the cycle. Positive regulation molecules are proteins that move a cell through the cycle when it meets the correct requirements. If the cell does not meet the requirements, negative regulation molecules will either try to repair the damage or signal for apoptosis. In order for a cell to move through the cycle, it must go through several checkpoints. The G₁ checkpoint makes sure that the cell has favorable conditions for division. The cell must have enough growth and energy reserves to proceed onto the next phase of the cycle. At this stage, DNA is also inspected for damage. DNA that is not suitable, or cannot be repaired, will not move through to the S phase to be replicated and will exit the cell cycle by entering the inactive G₀ phase. The cell encounters the next review at the end of the G₂ phase. The G₂ phase includes protein synthesis and another round of growth. The G₂ checkpoint assesses the size and protein reserves of the cell as well as the accuracy of the chromosome replication. If DNA is damaged, the cell tries to repair the damage before the beginning of mitotic division. The M checkpoint determines if all of the sister chromatids are properly attached to spindle microtubules and ready for separation. The model shows the checkpoints of the cell cycle. **Diagram Explanation:** The diagram outlines the cell cycle with checkpoints during interphase and mitosis: 1. **Interphase:** - **G₁ Phase:** The first growth phase, where the cell grows and performs normal functions. G₁ checkpoint ensures favorable conditions for DNA replication. - **S Phase:** DNA is replicated. - **G₂ Phase:** Second growth phase, where the cell prepares for mitosis. G₂ checkpoint verifies DNA replication. 2. **Mitotic Phase:**
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