This website uses cookies to ensure you have the best experience. Learn more

Egg Makes Sure That Sperm Don't Get Too Old

345 words - 2 pages

Egg Makes Sure That Sperm Don't Get Too Old

The article primary’s claim is that the result is an important step towards future stem cell therapy (science daily).

I. Observe and Generalize:
• I would like to learn more on how men are fertile throughout life. I would like to find out the how this is a contrast to women?

II. Hypothesis:
• The subject and/or hypothesis of this claim, is that the fertilizing sperm can get help from the egg to rejuvenate (science daily).

III. Experiment ...view middle of the document...

• The cell stops dividing and dies when the telomeres become too short.
• The discovery that the egg cell can extend the telomeres of a fertilizing sperm cell is important in the development of stem cell therapy.
• Stem cell therapy involves replacing the cell nucleus in unfertilized egg with a nucleus from a somatic cell that has come from a patient who needs a stem cell transplantation.
• When the cell has divided a few times, it is possible to harvest stem cells that are then allowed to mature to the cell type that the recipient needs.

IV. Interpretation of the Data:
• I feel that the data does support and it defends the hypothesis.

V. Conclusion (science daily):
• Sahlgrenska Academy from University of Gothenburg in Sweden made the discovery that the egg cells have the ability to rejuvenate other cells, and this is an important result for future stem cell research.
• The source used were appropriate and a verifiable reference.
• I would have liked more details on the evidence on when the cell stops dividing and dies off, in order to determine its truth and/or falsehood.

Other Papers Like Egg Makes Sure That Sperm Don't Get Too Old

Islam And Infertility Essay

1022 words - 5 pages , because of the fact that both processes involve the sperm and the egg of the legal parents and is carried and born by the legal mother. But AID (Artificial Insemination by Donor) and Surrogacy are not allowed of the Shari'ah, because they involve the use of a third party which is considered as adultery. I believe that this is correct because I was raised to believe this and it makes sense to me why it's allowed or disallowed.

Understanding Birth Control Options Essay

3304 words - 14 pages . Other birth control methods that involve using a spermicide (a cream or jelly that kills sperm) also may give some protection against chlamydia and gonorrhea. Don't forget that all of the methods we talk about below work best if used correctly. Be sure you know the correct way to use them. Talk with your health care provider and don't feel embarrassed about talking with her or him again if you forget or don't understand. Know that

The Sperm and the Egg

975 words - 4 pages pushing me throughout my journey. With their help, I was able to travel nearly one inch every single day. I have only been in the fallopian tube for a short while; however, if my ‘Sperm’ friends do not arrive within two days after my leaving of the ovary, it will become impossible for me to become fertilized (Nevid, Rathus, et al., 2005). As a result, I am sure you can imagine that I am extremely nervous about how their journey is going. I


1876 words - 8 pages in a process known as ogenisis while male organisms make sperm by spermatogenesis. Eggs and sperm are two different gametes, During sexual intercourse, an ejaculated sperm cell penetrates an egg and unites with it (fertilizes it). The fertilized egg is called the zygote. The reproductive organs in both males and females begin gametogenesis with a primitive germ cell that eventually results in a new being. The primitive germ cells in men go


2198 words - 9 pages explanations for clarity, especially those that you are having trouble with. Check your notes and book for accuracy, or have someone who knows confirm you are accurate. To confirm you have enough detail, make sure you use all of the terms that follow each question in your paragraph and in your drawing and explanation. If you are missing or incorrectly use one term in ten that is a grade of A-, two terms in ten is a B, three terms in ten is a C, and if

The Life of the Sperm and Egg

1070 words - 5 pages estrogen. Like estrogen, progesterone regulates the menstrual cycle, but also prepares the uterus to accept a pregnancy. At birth, a female has about 2 million immature ova with only about 400,000 surviving into puberty (Rathus & Fichner-Rathus, 2011). During the years of reproduction, the follicles will release 1 ova per month to allow for a possible fertilization. There are steps that must occur between the sperm and an egg in order for a

Gender and the Biological Sciences

1159 words - 5 pages , the egg and sperm are traditionally assigned these roles. –The sperm is the one doing all the work to get to the egg and penetrate it, while the egg merely wait. –Model suggested as early as 1795 and influential ever since. A new model suggested in the last 25 years (15 years in 1994) to the effect that the egg is also quite active. –Electron microscopy reveals than the egg grows small finger-like projections to clasp and draw in the sperm

Reproductive System

1148 words - 5 pages shrinks to maintain body temperature. When the body is hot the scrotum expands to get rid of body heat. The accessory glands and the seminal vesicles and the prostate gland provide fluid and nutrients to nourish sperm. The seminal vesicles that are attached to the vas deferens side of the bladder. The prostate gland, which produce some semen,surrounds the ejaculatory ducts at the base of the urethra. The urethra is the carries the semen outside of

Decribe Physical, Intellectual, Emotional, And Soical Development

3039 words - 13 pages . Conception – This is the stage where life is made and is done so when a male sperm fertilises the female egg this normally happens in the fallopian tube after insemination at this point the fertilised egg makes it way to the uterus (womb) this is when the stage is called pregnancy. Millions of sperm are ejaculated by a man during orgasm, just one sperm is needed to fertilise the egg. In some cases the ovary can release more than one egg

The Development of Embryo

2916 words - 12 pages sperm doesn’t penetrate the egg’s tough outer membrane to activate it within the next 24 hours, the egg will die.¬¬ The sperm cells contain the male genetic contribution to the new genome that will be produced at the completion of fertilization. Sperm cells are produced during the process of meiosis, which occurs in the testis during spermatogenesis. At the completion of meiosis each sperm contains a haploid genome (one chromatid from each

Taking Care of an Egg (Essay)

1262 words - 6 pages know that I deserve all the good feedbacks coz’ I give everything that I can to make this all worth it. Now that everything is done I miss my Egg!! It’s been almost one month of giving attention to the oval-shaped thing that makes me feel anxious and paranoid, just to get a good grade. (WEW)…XOXOXO The most important lesson that I learn during this entire time I am taking care of this I consider a “special thing”, are “Giving attention and

Related Essays

Sperm And Egg Essay

829 words - 4 pages winner of this race. The sperm will then penetrate the lining and the ovum and sperm begin a chemical transformation that allows them to unite in a way that makes the fertilized egg become the embryo. The embryo then continues on down the fallopian tube to the uterus, where it will be implanted in the uterine wall until birth. References Rathus, S.P., Nevid, J.S., & Fichner-Rathus, L.F. (2011). Human sexuality in a world of diversity (8th ed.). Boston: Pearson Education, Inc.. What to Expect. (2008). How fertilization happens. Retrieved June 14, 2009 from happens.aspx

Male Birthpill Essay

644 words - 3 pages -inhibiting molecule, they begin producing fewer sperm and those sperm they do produce don't swim as well."This is a good reason to get excited about low sperm counts," said Martin Matzuk of Baylor College of Medicine, another author of the report.Mating studies confirm that JQ1 indeed works as an effective contraception. Even better, those effects are completely reversible and without adverse consequences for the animals' testosterone levels or

The Sperm And Egg Essay

1387 words - 6 pages thousand that will get close during the trip and as they get close the will start to change their patterns with alteration of their heads. The liquid portion of the semen also provides directions for the sperm so they will not wander too far off the path. Any sperm that has not successfully made it thru the cervix is not going to make the complete journey and will release out of the Nancy body after the sex act. For the sperm that make it thru the

The Ethical Legitimacy And Potential Abuses Of Human Cloning

5199 words - 21 pages these specialized cells have been switched off by a variety of molecular mechanisms. Many of these mechanisms are unknown; consequently, we do not know how to unlock them. Nor do we know how to get them expressed in the correct sequence necessary for embryological development. There are so many roadblocks to the successful cloning of an adult human that I don't expect it any time soon. However, I am afraid our current culture will pursue this