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What are vaults in biology?

What are vaults in biology?

Vaults are large cytoplasmic ribonucleoprotein (RNP) particles of eukaryotic cells, whose considerable abundance and striking evolutionary conservation argue for an important general cellular function.

What is cellular vault?

Vaults are evolutionary highly conserved ribonucleoprotein (RNP) particles with a hollow barrel-like structure. … Vaults are abundantly present in the cytoplasm of eukaryotic cells and they were found to be associated with cytoskeletal elements as well as occasionally with the nuclear envelope.

What is the function of vaults?

Vaults have been implicated in a broad range of cellular functions including nuclear-cytoplasmic transport, mRNA localization, drug resistance, cell signaling, nuclear pore assembly, and innate immunity.

What are vaults in biology 12?

Vault caps are the type of contraceptive caps for women that fit over the cervix and prevent the sperms to enter inside. Vaults are contraceptive method made up of rubber or latix sheet (just like CONDOMS ) and made to cover only cervix. So it can’t protect user from STDs.

What is vault cap?

Description. A vault cap is a barrier contraceptive. It sits over the cervix and acts as a barrier to sperm entering the uterus. This is an example of a Dumas type cap, invented by Adelin Dumas. It is made of rubber manufactured in both Paris and London.

Are vaults reusable?

Yes they are reusable.

What is lactational amenorrhea Ncert?

Lactational amenorrhea (absence of menstruation) method is based on the fact that ovulation and therefore the cycle do not occur during the period of intense lactation following parturition. Therefore, as long as the mother breast-feeds the child fully, chances of conception are almost nil. … This can prevent conception.

What is lactational amenorrhea in biology?

Lactational amenorrhea, also called postpartum infertility, is the temporary postnatal infertility that occurs when a woman is amenorrheic (not menstruating) and fully breastfeeding.

What is 12th infertility?

Infertility. Inability to give birth to a child or inability to conceive is called infertility. The reasons for infertility can be physical, hereditary, drugs, psychological etc. The couples could be assisted to have their own child through certain special techniques called as assisted reproductive technologies.

Why it is significant to maintain reproductive health?

Reproductive health in a society helps to prevent the spread of various sexually transmitted diseases and impart the ability to produce offspring carrying better survival rates. Sex education helps in maintaining the population size and to avoid unwanted pregnancies.

What is sexually transmitted diseases Class 10?

The most common STDs are described below.

  • Chlamydia. A certain type of bacteria causes chlamydia. …
  • HPV (human papillomavirus) …
  • Syphilis. …
  • HIV. …
  • Gonorrhea. …
  • Pubic lice (‘crabs’) …
  • Trichomoniasis. …
  • Herpes.

Why is reproduction so important?

Reproduction is important for the survival of all living things. Without a mechanism for reproduction, life would come to an end. … Asexual reproduction refers to simple cell division that produces an exact duplicate of an organism.

What are the advantages of reproductive health?

Among the many benefits of reproductive health are improving family and community well being, boosting economic gains, saving women’s and children’s lives, and greatly curbing the spread of HIV/AIDS – benefits that go a long way in helping to achieve the Millennium Development Goals.

What are examples of reproductive health?

Common Reproductive Health Concerns for Women

  • Endometriosis.
  • Uterine Fibroids.
  • Gynecologic Cancer.
  • Interstitial Cystitis.
  • Polycystic Ovary Syndrome (PCOS)
  • Sexually Transmitted Diseases (STDs)
  • Resources.

How can I improve my reproductive health?

16 Natural Ways to Boost Fertility

  1. Eat foods rich in antioxidants. Antioxidants like folate and zinc may improve fertility for both men and women. …
  2. Eat a bigger breakfast. …
  3. Avoid trans fats. …
  4. Cut down on carbs if you have PCOS. …
  5. Eat fewer refined carbs. …
  6. Eat more fiber. …
  7. Swap protein sources. …
  8. Choose high fat dairy.

What is human reproductive health?

Reproductive health is a state of complete physical, mental and social well-being and not merely the absence of disease or infirmity, in all matters relating to the reproductive system and to its functions and processes.

What are the 8 components of reproductive health?


  • Reproductive health.
  • Adolescent health.
  • Maternal health.
  • Contraception.
  • Sexually transmitted infection.
  • Abortion.
  • Female genital mutilation.
  • Child and forced marriage.

What does Reproductive mean?

Anything reproductive has to do with creating babies or other new life. … When animals have babies, they reproduce. Anything related to reproduction can be described as reproductive. There is sexual and asexual reproduction — dandelions that pop up all over the yard are being reproductive all by themselves.

What is reproductive health class 8?

Reproductive health is defined as a state of physical, mental and social well- being of a person in all matters relating to the reproductive system at all stages of life. The important conditions to maintain good reproductive health during adolescence are: … 4)It is necessary to avoid taking any drugs during adolescence.

What is menstruation Class 8?

Answer: Menstruation is the process of the shedding of the uterine lining on a regular monthly basis. It begins at puberty and is the reproductive cycle of the female body. … This cycle occurs every month and is known as the menstrual cycle.

What is Person hygiene?

What is personal hygiene? Personal hygiene is how you care for your body. This practice includes bathing, washing your hands, brushing your teeth, and more. Every day, you come into contact with millions of outside germs and viruses.

What is target site for Class 8?

Secretion of hormones from endocrine glands into the blood stream stimulates the male and female reproductive organ i.e. testes and ovaries respectively to release testosterone (in male) and estrogen (in female). They get released into the bloodstream and reaches different body parts (known as target site).

Why adolescence is called Teenage?

Adolescents are also called teenagers because they cover the period of the teens i.e. 13 to 18 or 19 years of age. Puberty: The period of adolescence during which a adolescent reaches sexual maturity and becomes able to have children.

What is puberty age class 8?

The period during which adolescent boys and girls reach sexual maturity and become capable of reproduction is called puberty. … Girls attain puberty at a age of 10 to 13 yrs while boys reach puberty at a age of 12 to 14 yrs.

What is called the target site?

The target site is the tissue or organ on which the enzyme or hormone acts. For example, the follicle stimulating harmone secreted by the pituitary targets the ovary in females and the testis in males. The enzymes do not cause any effect on tissues or organs other than the target site.

Why pituitary gland is called master gland?

Anatomy of the pituitary gland The pituitary gland is sometimes called the “mastergland of the endocrine system because it controls the functions of many of the other endocrine glands. The pituitary gland is no larger than a pea, and is located at the base of the brain.

Is testosterone a hormone?

Testosterone is a hormone that is responsible for many of the physical characteristics specific to adult males. It plays a key role in reproduction and the maintenance of bone and muscle strength.

What is the meaning of thyroxine?

(thy-ROK-seen) A hormone that is made by the thyroid gland and contains iodine. Thyroxine increases the rate of chemical reactions in cells and helps control growth and development. Thyroxine can also be made in the laboratory and is used to treat thyroid disorders.

What is normal thyroxine level?

These levels are influenced by many factors that affect protein levels in the body, including medications, sex hormones, and liver disease. A normal Total T4 level in adults ranges from 5.