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Cells can only grow to be so large as the surface area to volume ratio has to remain high so that the adequate exchange of oxygen and carbon dioxide can be maintained. Movement of nutrients is not only by diffusion, but it is a important factor. Surface area only increases with the square with radius while volume increases the third power. So a cell that increases by a factor of two has eight times the volume, but only four times the surface area ( a 50% decrease in gas by diffusion).
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What happens after the egg is fertilised?
After fertilization, the egg and sperm fuse to form a zygote. The zygote begins to divide and undergo cell division, forming a blastocyst. The blastocyst implants into the uterus lining, where it continues to grow and develop into an embryo.
Cells grow and divide at an abnormally high rate in?
Cells grow and divide at an abnormally high rate in cancer. This uncontrolled growth leads to the formation of tumors.
How does the analogy of a cell to a town help you understand why cells divide?
Just like a town needs to divide and grow to accommodate more residents, a cell divides to grow and reproduce. This helps prevent the cell from becoming too large and ensures that each new cell has all the necessary resources and can function properly.
What are the differences between G1, S, and G2 phases in the cell cycle?
During the cell cycle, the G1 phase is when the cell grows and prepares for DNA replication. The S phase is when DNA is replicated. The G2 phase is when the cell continues to grow and prepares for cell division.
Why do cells need to divide apex?
Cells need to divide to grow, repair damaged tissues, and replace old or dying cells. Cell division allows for the distribution of genetic material to new cells, ensuring the continuity of life. Without cell division, multicellular organisms would not be able to develop, maintain, or regenerate their tissues and organs.
What job does a cell have?
they grow and divide
What are the disadvantages for a cell that does not divide?
If a cell does not divide, and it is destroyed, it cannot grow back and you will have a cell shortage. Like the brain cell
What happens to fertilization?
Fertilization is the process where a sperm cell fuses with an egg cell to form a zygote. This zygote then starts to divide and develop into an embryo. If fertilization is successful, the embryo implants itself into the uterus where it continues to grow and develop into a fetus.
Why di cells need to divide?
cell division is how organisms grow.
What control when and how fast cell grow and divide?
Simple growth factors.
Do you get skin cancer if your skin cell grow and divide quickly?
Yes
What are the series of events that cells go through as they grow and divide?
cell cycle
Why does 1 cell divide itself into 2 identical cells?
To reproduce and grow.
What is the series of event that cells go through as they divide and grow?
cell cycle
What happens after the egg is fertilised?
After fertilization, the egg and sperm fuse to form a zygote. The zygote begins to divide and undergo cell division, forming a blastocyst. The blastocyst implants into the uterus lining, where it continues to grow and develop into an embryo.
What is the fourth phase in cell cycle?
The fourth phase in the cell cycle is called G2 phase. During this phase, the cell continues to grow and prepares for cell division by synthesizing the necessary proteins and organelles. Once G2 phase is completed, the cell will enter into the mitotic phase where it will divide into two daughter cells.
Why is cell division so important?
When cells divide they help you grow. Also, they replace, grow, repair your dead cells.
