What Is the Release of a Secondary Oocyte by an Ovary?
The release of a secondary oocyte by the ovary is called ovulation. LH surge induces rupture of the Graafian follicle... View Article
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What Is the First Polar Body?
The first polar body is formed by the first meiotic division in primary oocytes. The primary oocyte produces a larger... View Article
What Is the Ball of Cells Formed After Fertilisation Called?
After fertilisation, the zygote starts dividing by mitosis. Morula is the solid ball of cells consisting of 8-16 blastomeres. Then... View Article
What Is the Difference Between Spermatid and Spermatozoa?
Spermatid is the haploid cell, which is formed by the meiosis in spermatocytes. Spermatids mature and develop into spermatozoa or... View Article
Do Oocytes Undergo Mitosis?
No, oocytes undergo meiosis to produce ovum. After the first meiotic division in primary oocytes, secondary oocytes are formed. Secondary... View Article
How Does Sperm Travel in the Female Body?
Sperms released in the vaginal region after insemination, quickly move towards the uterus through the cervix and reach the ampullary... View Article
What Are Polar Bodies?
Polar bodies are the tiny haploid cells produced during oogenesis. They are produced due to unequal cytoplasmic division in the... View Article
What Happens When Luteinizing Hormone Increases?
Secretion of luteinizing hormone (LH) increases gradually during the follicular phase of the menstrual cycle. It reaches the maximum level... View Article
How Primary Oocyte Is Formed?
Oogenesis starts during the embryonic stage. During gestation, primitive germ cells give rise to oogonia after mitosis. Primary oocytes are... View Article
Why Does Only One Egg Rather Than four Eggs Develop During Oogenesis?
The meiotic division during oogenesis is unequal. After 1st meiotic division, primary oocytes divide unequally resulting in the larger secondary... View Article
How Many Pairs of Chromosomes Are in a Zygote?
Zygote is formed by the fusion of male and female gametes. In humans, the zygote is diploid and contains 23... View Article
Where in the Body Does Meiosis Occur?
Meiosis or reduction division occurs during gametogenesis in the formation of gametes (sperm and ova). Meiosis occurs in the testes... View Article
What Is the Function of Tail of Human Sperm?
The human sperm is composed of three main parts: head, middle piece and tail. The main function of the tail... View Article
Where Is Secondary Oocyte Formed?
Primary oocyte completes the first meiotic division in the tertiary follicle, giving rise to the bigger secondary oocyte and a... View Article
What Produces Testosterone in a Man?
Testosterone is produced by the Leydig or interstitial cells present in the testes. These cells are present in the interstitial... View Article
How Many Eggs Are Produced from a Single Secondary Oocyte?
The secondary oocyte undergoes a second meiotic division and produces one haploid ovum and the second polar body. Therefore, one... View Article
What is the function of ATP synthase in the electron transport chain?
ATP synthase is the complex V of the electron transport chain. It catalyses the synthesis of ATP from ADP and... View Article
What are cytochromes in the electron transport chain?
Cytochromes are the electron carriers present in the electron transport chain. Cytochrome c acts as a mobile carrier and shuttles... View Article
What is the purpose of ATP synthase?
ATP synthase catalyses the synthesis of ATP from ADP and inorganic phosphate. The ATP synthesis is driven by the proton... View Article
Where is ATP synthase found?
ATP synthase is the complex V of the electron transport chain present in mitochondria. It is made up of two... View Article
