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A cell divides every hour no cells die during a 12 hour period how many cells are left after 12 hours?
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∙ 11y ago
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Wiki User
∙ 11y ago
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Every living thing comes from another cell that....?
divides
When we are born we have about how many brain cells?
It used to be said that we are born with all the brain cell (neurons) that we will ever have but that has been changing. According to the latest estimates, the brain contains about 86 billion neurons and roughly the same number of glial cells (supporting cells).As far as we know, the vast majority of these cells are produced during early pregnancy; about 250,000 every minute. The rest are produced during a short period of time after birth, maybe up to a year. The brain produces at least twice as many cells than it actually needs to work properly.Neurons begin to die before we have even been born and continue to die every day of our lives. Researchers have estimated that about 85,000 neurons die every day in the cerebral cortex. That’s equivalent to one every second.
This is the process whereby cells reproduce by cell division?
Every cells reproduces by dividing itself.The cells in the human body reproduces in two different ways, mitosis and meiosis.Mitosis is the cell reproduction in which the cell divides to create two off-springs with the same genes.Meiosis is the kind of cell reproduction in reproductive cells such as sperm. In which the mother cell divides in half and creates two off-springs with different genes, then those two off-springs dived again.
Why does meiosis occur only in cells in the reproductive structures of the organism?
Meiosis is also called reduction division, because the result of meiosis is the production of cells with half the chromosome number of the parent cell (ie haploid cells). This is necessary so that when two gametes fuse during fertilization, the normal chromosome number is restored (ie a diploid cell).If the chromosome number was not halved during gamete (germ cell) formation, the number would be doubled every time fertilization happened.Somatic (body) cells do not undergo meiosis because the products of their division will not take part in fertilization. They divide by mitosis, which produces daughter cells with the same number of chromosomes as the parental cell. Mitosis occurs during growth, replacing damaged cells and asexual reproduction.See Related links
How often does the digestive tract cells replace themselves?
The body is constantly replacing itself. It was once believed to be over a seven to eight year period, depending if you were male or female but biologists are hesitant to put a true time on it but rather agree that it is an ongoing process.
If a cell divides every 2 minutes how many cells will there be in 14 minutes?
128
How often is DNA?
DNA is copied every time a cell divides. Different types of cells divide at different rates.
Do all women have pains during their period?
No, not every women has pains during their period,but most do.
How often is DNA copyed?
DNA is copied every time a cell divides. Different types of cells divide at different rates.
How often are cells made and do the old ones die?
Cells die every second in the body. Over a million cells are made every minute in your body. This is how you heal and grow. The cells naturally renew themselves after a certain period of time and are expelled out of the body.
Why do chromosomes double during prophase?
When a cell divides, each of the daughter cells should contain a copy of the entire genome. This is the reason why a copy of every chromosome has to be made so that one half can go into each daughter cell. If the parent call contained 23 chromosomes for example, during the synthesis phase of the cell cycle (of which prophase is a part), the total number of chromosomes will increase to 46 since each chromosome will be copied. When the cell divides to create two daughter cells, each daughter cell will contain 23 chromosomes.
What happens to the info before the cell divides?
Your DNA is copied into the new cell every time it divides
What class was born during the medieval period of European history?
every class
How does a one cell make new cells?
the cell divides in two (and again and again), every 20 minuets in good conditions. The cell wont be an exact copy because before it divides it copies the DNA but sometimes it dosent match up and a the new cell will be mutated
What has distinct cells during every phase of its life cycle?
Cellular slime mold
What are the type of cells thar have lost their capacity for division?
Every cell starts off with a long chain of codons at the end of their chromosomes. Every time the cell divides they lose one of these codons therefore there is a count down to a cells life. When all the codons are gone the chromosomes cannot separate and the cell is condemned to sterility. The exception to this are zygotes and malignant cancer cells.
Is it possible to have a period for 2 days and still be pregnant?
yes, you can actually have a normal period every month during your pregnancy
