I varies and depend on observation, people always contradictory about prophase so here is the range 38% to 50%.
The cells in an onion tip but not the onion itself are usually actively dividing cells located at the growing tip of the onion root, known as the root cap cells. These cells help protect the delicate meristematic cells responsible for root growth and can often be found in the root zone of plants.
The root tip of an onion is an ideal specimen for examining mitotic division because it contains actively dividing cells at the root apex. These cells are in different stages of mitosis, making it easy to observe and study the process of cell division under a microscope. Additionally, onion cells have large, clear chromosomes that are easily visible, aiding in the observation of mitotic phases.
A microscope is the best tool for a student to use to observe mitosis in an onion root tip.
Mitosis would only be happening in the root tip because that is where the roots are growing.
Different individual cells will have received slightly different amounts of vital nutrients at different times, therefore, mitosis will not occur at the same rate throughout the onion. Over time, cells will become more out-of-sync and end up mitozing at different times causing each cell to be at different stages of the mitotic cycle. P.S. Is mitotic even a word - I've never heard it before. Sounds like a smug biology teacher made it up.
The cells in an onion tip but not the onion itself are usually actively dividing cells located at the growing tip of the onion root, known as the root cap cells. These cells help protect the delicate meristematic cells responsible for root growth and can often be found in the root zone of plants.
The root tip of an onion is an ideal specimen for examining mitotic division because it contains actively dividing cells at the root apex. These cells are in different stages of mitosis, making it easy to observe and study the process of cell division under a microscope. Additionally, onion cells have large, clear chromosomes that are easily visible, aiding in the observation of mitotic phases.
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Root tips are placed in 10% hydrochloric acid to break down the cell walls and release the cells for analysis. The mitotic index is calculated as the ratio of cells in mitosis to the total number of cells examined, providing information on the rate of cell division in the root tip. This method helps to determine the growth activity and health of the plant.
The cells in the onion root tip are typically smaller and more uniform in size compared to the cells in a whitefish embryo. Additionally, the onion root tip cells are actively dividing, while the whitefish embryo cells are undergoing differentiation and organ development.
A microscope is the best tool for a student to use to observe mitosis in an onion root tip.
... Did Ben answer this?: ... Did Ben answer this?:
Mitosis.
Root tips are very active in mitotic cell division as the roots grow deeper and broader in their search for water and nutrients, as well as anchorage in the soil.
When examining an onion root tip slide under a microscope, you can observe the different stages of cell division, such as interphase, prophase, metaphase, anaphase, and telophase. This allows you to study the process of mitosis and observe the structure and arrangement of the cells in the root tip.
Onion root tip cells generally cycle through the cell cycle in about 24 hours. This means that all the stages of the cell cycle, including interphase, mitosis, and cytokinesis, occur within this time frame. This rapid cell cycle allows for continuous growth and development of the onion root tip.
Scientists can examine the tip of an onion root by preparing a thin section with a microtome and staining it to make the cells visible under a microscope. They can then observe the different cell types in the root tip, such as root cap cells, meristematic cells, and elongating cells. This allows them to study the process of cell division and growth in the root tissue.