Table of Contents
- 1 What if all cells are the same?
- 2 Are all cells in the body identical justify your answer with suitable examples?
- 3 What do cells need to survive?
- 4 Do all cells have the same DNA explain?
- 5 What are the effects of DNA errors on the human body?
- 6 Why do cells of our body assume different sizes and shapes?
What if all cells are the same?
Cells are the smallest unit of life. If all the components of a single cell are the same the cell loses its status as a “unit of life” . It is not considered alive.
Are all cells in the human body are identical?
DNA Not The Same In Every Cell Of Body: Major Genetic Differences Between Blood And Tissue Cells Revealed. New research calls into question one of the most basic assumptions of human genetics: that when it comes to DNA, every cell in the body is essentially identical to every other cell.
Are all cells in the body identical justify your answer with suitable examples?
The cells in are body all share some common traits. All cells in our body have a nucleus, a plasma membrane, cytoplasm, a mitochondria and a lot of other singular membraned organelles like lysosomes or the endoplasmic reticulum. The sequence of our genes is the same in every cell, but the number of chromosomes is not.
How do you know if all cells are equal?
As we all know, to compare if two cells are equal, we can use the formula A1=B1. But, if you want to check if multiple cells have the same value, this formula will not work. Today, I will talk about some formulas to compare if multiple cells are equal in Excel.
What do cells need to survive?
To survive, every cell must have a constant supply of vital substances such as sugar, minerals, and oxygen, and dispose of waste products, all carried back and forth by the blood cells. Without these substances, cells would die in a very short period of time.
Is the DNA in all cells identical?
Nearly every cell in a person’s body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA).
Do all cells have the same DNA explain?
What would happen if all cells in our body were the same?
Our complex body needs a huge range of functions to be carried out. If all the cells of our body were of the same size, shape and volume, then they would all perform the same function and the multitude of other important functions cannot be carried out, without which human life itself would not be possible.
What are the effects of DNA errors on the human body?
When a cell divides, it creates two identical daughter cells that each carry a copy of the original cell’s DNA. The name for this process is mitosis, and errors in the process result in incorrect DNA copies. The effects of these errors on the health of the organism range from benign to deadly, depending on their number errors and type.
What molecules are not replaced in the human body?
The only human cells that are replaced are specialized cells, mainly skin and blood cells. Most cells (muscle, organs, neurons) are not replaced. It may be that most of the molecules in the body are replaced every few years. It is not known if this is actually true, but it might be. How do we retain our memories if molecules are replaced? Two ways:
Why do cells of our body assume different sizes and shapes?
Different cells of our body assume different sizes and shapes to perform certain specific functions. Our complex body needs a huge range of functions to be carried out.