Cilia and Flagella Cell the Unit of Life

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[@amazkhan3985]

1. What is the stimulus for the flagellar movement of the sperm cell? - The stimulus for the movement of the sperm cell's flagellum is primarily **chemical signaling** from the environment of the female reproductive tract. This process is known as **chemotaxis**. The sperm cells are attracted to the egg by chemical substances, guiding them to the site of fertilization. 2. Where does it get its energy from? - The energy for the movement of the sperm's flagellum comes from **ATP** (adenosine triphosphate), which is produced in the **mitochondria** located in the midpiece of the sperm cell. The mitochondria break down glucose and other nutrients to produce the ATP needed for flagellar motion. 3. Is there any external factor increasing the flagellar movement? - Yes, **external factors** such as the **pH of the environment, temperature**, and **ion concentrations (especially calcium ions)** can affect the speed and movement pattern of the sperm’s flagellum. Certain signaling molecules and proteins in the female reproductive tract can also enhance the motility of sperm, aiding their journey toward the egg.

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After ejaculation, mammalian sperm acquire energy from nutrient molecules found in the seminal plasma and in the female reproductive tract environment.

[@2001paegh]

Bacterial flagella rotation is powered by the proton motive force - a flow of H+ ions or occasionally by the sodium-motive force - a flow of Na+ ions; archaeal flagella rotation is powered by ATP.

[@raagmuz]

Marvellous explanation ma'am 😊😊

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Thanks a lot 😊

[@abxh_19]

Good expln and animation

[@mumtazkhan1642]

Very best explanation

[@SudeepAdhikari0611]

This Is World Class Explanation Ma'am 🥳

[@ahsenmalik729]

you didnt make a video on centrioles ,cytoskeleton and nucleus organelles ,i struggled to find them

[@theamazinginformation8406]

Wonderful class

[@ManochaAcademy]

Glad you think so!

[@Blue-te6do]

The tail of sperm is not flagella. It just shows flagellar movement.

[@teodorpeev1444]

VERY HELPFUL! But, gosh, what a MUSCULAR VOICE! :DDDD

[@shailjayadav9588]

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[@gollaumarani9667]

Nice explanation

[@kusumarangasamudra5957]

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[@mirchakarazamrind-eo5xf]

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[@2001paegh]

This is the most fascinating information ever. God was a mechanic.

[@parasharpatel3708]

Mam by which part the flagella get attached with the cell

[@BioBloom10M]

Thank You Mam

[@ManochaAcademy]

Thank you too

[@MdMoula-x6f]

Thank you mam this video is very helpful

[@mumtazkhan1642]

Thanks

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[@mumtazkhan1642]

Very best explanation Thanks

[@JunaidKhan-mw3rs]

Teacher is hesitating and video is not much helpful 😒