The Cell Cycle

For Employees of hospitals, schools, universities and libraries: download up to 8 FREE medical animations from Nucleus by signing up for a free trial at: nmal.nucleusmedicalmedia.com/b...
SCIENCE ANIMATION TRANSCRIPT: In this lesson, we'll be looking at the cell cycle. This is the lifespan of a eukaryotic somatic cell. A somatic cell is any cell in the body of an organism, except for sex cells such as sperm and egg cells. The cell cycle describes the sequence of cell growth and division. A cell spends most of its life a state called interphase. Interphase has three phases, the G1, S, and G2 phases. Interphase is followed by cell division, which has one phase, the M phase. Together these four phases make up the entire cell cycle. G1 of interphase is sometimes called growth 1 or gap phase 1. In G1, a cell is busy growing and carrying out whatever function it's supposed to do. Note that some cells, such as muscle and nerve cells, exit the cell cycle after G1 because they do not divide again. A cell enters the S phase after it grows to the point where it's no longer able to function well and needs to divide. The S stands for synthesis, which means to make, because a copy of DNA is being made during this phase. Once DNA replication is complete, the cell enters the shortest and the last part of interphase called G2, also known as growth 2 or gap phase 2. Right now, it's enough to know that further preparations for cell division take place in the G2 phase. Now that interphase is over, the cell is ready for cell division, which happens in the M phase. The M phase has two events. The main one is mitosis, which is division of the cell's nucleus, followed by cytokinesis, a division of the cytoplasm. So, at the end of M phase, you have two daughter cells identical to each other and identical to the original cell. Let's review. The cell cycle describes the life cycle of an individual cell. It has four phases, three in interphase and one for cell division. Most cell growth and function happen during G1. The cell enters the S phase when it needs to divide. In this phase the cell replicates its DNA. Replication just means the cell makes a copy of its DNA. In G2, the cell undergoes further preparations for cell division. Finally, we have cell division in the M phase. The M phase consists of mitosis, which is nuclear division, and cytokinesis, or division of the cytoplasm. We'll explore the details of mitosis and cytokinesis separately. [music]
NSV15004

[@kiyeowokarina3587]

Imagine being a successful doctor and telling everyone that you learn 60% of study from nucleus medical media they will be so proud

[@NucleusBiology]

You are too kind!

[@kiyeowokarina3587]

@@NucleusBiology OH MY GOD AM I DREAMING A REPLY FROM NUCLEUS BIOLOGY !!!!!!OH GOD THIS IS MY BEST DAY

[@Priycore]

@@kiyeowokarina3587 In which grade u r reading now??

[@catboiologist6349]

im a living example lmao

[@user-yv4mq6ex2z]

@@catboiologist6349 🤭💞🔥

[@saladbee]

I didn't have a chance to study in high school due fee I dropped out,now am learning with the little limited internet data that I have, hoping to get 12points in biology through your channel, loading doctor,you are doing little things that are really changing someone somewhere, thanks so much

[@visual_dorito5271]

Damn…

[@ShifaJamal-qy2iv]

Wow hows it going around now

[@Kaori-bu7nn]

skibidi toilet

[@Check_Hook]

fk biology get into online biz instead jk hows it going

[@ZapperStudio]

@@Kaori-bu7nn fanum tax

[@ali_ka2005]

This helped me alot in studying cell division as ztopic of cell division in our biology book
Thank you so much

[@tobstobs950]

Very well explained and understandable! 👍
Gonna need this for my Biology exam tomorrow

[@amreenammu5640]

You are doing a noble work by educating people.keep gowing . Thank you

[@MyMonique28]

So glad I found this. 42 and going to college. This is just what I need. Many blessings for these videos and your channel

[@luckylibra85]

I'm 38 and went back. Biology seems so hard this time around but we got this. Good Luck!

[@akshitabhavsar3960]

Loved the animation.
Now concepts are crystal clear thank you💖

[@TuanNguyen-ev6li]

it is worth waiting . LOVE this channel

[@Hallofarts599]

This channel is so informative. Thank u so much!

[@sanjaykumarrawal1666]

Honestly your content and explanation is just amazing! Got everything on tips in the easiest way....

[@sudeepadhikari4454]

*Nucleus Medical Media Is Blessing For Us ! Love you 3000* ❤️

[@toddfennimore6625]

This was a nice “big picture” overview of the cell cycle.

[@enoughnonymity]

i love u nucleus biology. my love for you can not be paralleled.

[@unknown.944]

Please make more animations
These are really helpfull for neet asprirants like me 😊

[@elizabethgaleria632]

Thank you sir, I learned a lot!!

[@user-vq5ed7yt8l]

These are very useful way to learn thanks

[@rulynndaan6201]

Thank you for the very informative videos.Hope you will make more videos.

[@aishatanvi1281]

Upload more videos related to biology topics... It's very helpful .. Thanks for sharing n teaching in such a interesting way

[@hebamohammad3157]

Best way to explain it ever...🌸🌸🌸💓

[@jaweriyamaheen7833]

Thank you for uploading this video...!
This is video helpful and useful on the way.....this concept to easy...this channel was very helpful to me...! Thanks a lot...!

[@boscozheng3219]

Very useful and helpful video. Fast and reliable thanks.

[@Syrianlove678]

Hey thank you so much this helped alot! 💗

[@arghyarajroy2650]

Very nice explanation ❤

[@studyforadvancedlevelexam3782]

100% quality explanation...

[@MahimaBhalerao]

Thank you so much for this ♥️ god bless you

[@shadybenmusa9067]

I really get through this, thank you so much

[@Eslam_Abo-amer]

It's very beautiful video 💛
Thanks too much.. keep going 💛

[@saniakamal7180]

It's like watching a movie but it clears concepts & easy to remember

[@levohs]

This is so helpful istg

[@joepagett918]

THIS IS GREAT!!!

[@mwambachanda68]

You are the greatest... nucleus biology ❤️🔥🔥

[@artbyabiha_m]

I never understand the cell cycle of my school and tuesion teacher
But you are teaching great sir 👏👏👏❤️❤️

[@BisdakPinayFlorida]

Thank you

[@arpitabiswal7315]

These are really very useful

[@Check_Hook]

the rizzler of the toilets to the skibidi

[@user-ei3ek4ke2x]

Very good

[@rihasazid9514]

that's really awesome

[@poleshwariverma2941]

So nice presentatition

[@ashleybihbih9998]

When u know yet thing u know it 😮😮 thanks sooo much this video was totally helpful❤❤

[@user-gp7ct2sw2m]

Thanks sir it is very educative

[@surajmaurya1238]

Wrong animation in G1phase and s -phase and G2 phase dna is not found in condensed form it is present in nucleus in form of chromatin first time dna condensation start in Prophase of M-phase

[@california4775]

True

[@jivikakulkarni5929]

yes correct and it bothers me that they showed S phase longer than G1, whereas G1 is the longest phase

[@DheerajPatel-wp4hn]

And G1 phase is the longest phase in entire cell cycle.

[@zahidmahmood11]

Excellent

[@ashleybihbih9998]

Am really going to need this for my exams tomorrow

[@jananiamen6358]

Nice video.awesome and supper. But apload full lesson

[@janvi5760]

These animations are far better than ncert book 🙂

[@realschnazzy]

Hello classmates 🎉👋

[@realschnazzy]

High kian

[@realschnazzy]

Hi kian

[@nadamohamad53]

Heyyy!

[@banasmitatalukdar]

Hi ❤

[@drwysh5122]

yes

[@78_shweta83]

Grt explanation

[@lisaanyaegbu7698]

My best teacher bring out more vedio on anatomy please

[@arpitabiswal7315]

Do upload various videos

[@sanjuevanz3986]

I cant believe that i understood this lesson within 4 mins using this video. I hated this part for the last couple of years, caz no matter how i studied it,i just couldnt understand it, thankyou so much

[@jasonrockefeller3904]

I've been on an NHS waiting list for 4 YEARS!

[@aarfeen919]

😭thnku so much i was confuse between g1 phase and s phase of chromosomes but not now thnku again😭😭

[@jananiamen6358]

My request please apload photosynthesis in plants soon. Because I have biology weekly test on Monday plz . It Will help full for me. Plz I want full lesson. Help to get good mark

[@satheescumarsarannejan6682]

This channel is very useful for all biology students 👏
Thank a lot and we are leaning a lot of information and 3D view 😊

[@JayJayHari]

Thanku so much ☺️
But please try to make video in Hindi also 🙏🙏

[@peace123.dfgfdff]

thanks sir😗👍

[@user-wu6he2bz6u]

Tq

[@nursestar8877]

this will make us people good cell scientests

[@spencerwozniak]

should have used a diploid cell to illustrate

[@coldpulse8477]

G0?

[@ishikajain3668]

Can we say that the cell becomes 4n in S phase?

[@jivikakulkarni5929]

there is no increase in chromosome number or the entire genotype would change but the amount of DNA per cell doubles so if the initial DNA were, say, 2C, after S phase, it becomes 4C, but the chromosome number stays the same, say, n for haploid cells or 2n for diploid cells

[@user-io5kp5de4y]

I am in 11 class i am doing this chapter from your channel

[@user-tj1ef3zh4h]

Like it

[@davidrosen5137]

2n=3?

[@user-ol9wk9vh6b]

Супер!

[@TheZZZAAA333]

Great visual - Question: Aren't all somatic cells an even number - 1/2 from the egg and 1/2 from the sperm? Shouldn't there always be an even number of chromosomes for a Cell Cycle?

[@StellaDimitrova-rw7ht]

Yes, typically, but it is important to note that exceptions can occur due to genetic abnormalities.

[@Roj_i786]

complete video of meiosis

[@sidrakhalid9165]

The nucleus is visible when cell is:
Dividing
Not dividing
Resting
All these

[@jivikakulkarni5929]

nucleus is visible at any time while viewing a cell but if you say chromosomes then it is the metaphase

[@DheerajPatel-wp4hn]

​@@jivikakulkarni5929 neet aspirant ??

[@SJ-wu9gx]

When does the cell death happen, this video is incomplete

[@abdullahsani4226]

Hello

[@mbh5360]

The mitotic phase has two stages : Karyokinesis and Cytokinesis. There's a bit of wrong explanation.

[@shahzadahmad5847]

Please explain with urdu

[@asraminnatullah9150]

In s phase does chromosomes duplicate?

[@beautifulsoul.14]

No.

[@user-qy6nn7sd5n]

😊...Sir, G1 phase is the longest phase of cell cycle..... Am i right...?🙄

[@jivikakulkarni5929]

yes

[@ismilkhan9659]

nope it took 9 hours where as S phase took 10 so S is the longest phase

[@jivikakulkarni5929]

@@ismilkhan9659 G1 is the longest phase, if we're talking about humans, then G1 takes 11 hours, S takes 8, G2 takes 4 and M takes 1 hour

[@user-dt2dk8mn7r]

No.. Interphase is longest phase which include G1, S & G2.

[@jivikakulkarni5929]

@@user-dt2dk8mn7r yes and within interphase, G1 is the longest

[@AmruMagdy]

100%

[@kazedelainey3431]

so i’m doing grade 9 science and i got told that it was once grade 12 then they moved it down to grade 9…wish me luck☹️

[@xiao4017]

They have it at grade 8 science here

[@mohdmustakshaikh3472]

Please give g note vidio...

[@malazhdad8552]

استاذ جميل مزبطنا باعتنا على أجانب 😂

[@aboodgold9456]

😂😂

[@lvrein]

hi guys👋 i have an exam tomorrow, im about to give up

[@rajeshreerathod6575]

Can everyone tell in which class you are studying this 😊😊

[@user-zt3ke6ul2n]

Man cell cycle is in too brief

[@user-en3if4et7p]

🕶

[@AnimeWarrior89079]

GUNDU BOSS!

[@destructionoflife1095]

💀🗿

[@syedacreation2657]

🤣🤣🌬️

[@Kaptain_Kristhoper]

I was forced to watch this in school:(

[@gauravgupta1760]

Haa hello ❤😂🎉😢is 😅😊

[@sadhnamishra5871]

Convert to Hindi please

[@robertionescu4529]

nice video i was able to find my girlfriend's g point

[@chhpoww4617]

I agree I liked it very much

[@chemistryMr-mr4hq]

It wrong 😢😢you

[@jasonrockefeller3904]

The only party worth voting for Reform - the rest are all clowns.

[@ginurapethmin5995]

Sir if u like this comment I know u are still alive

[@ginurapethmin5995]

I want to keep the best scientist alive in all cost

[@apicmine2657]

Please remove this video from CZcams 😢

[@apicmine2657]

Please remove this video from CZcams 😢

[@xiao4017]

Why

[@apicmine2657]

@@xiao4017 Marzi meri

[@xiao4017]

​@@apicmine2657???