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SUMMARY: This video teaches about the process of mitosis. Mitosis is a process of cell division where a single cell divides to produce two genetically identical daughter cells, each with the same number of chromosomes as the parent cell. It consists of several stages—prophase, metaphase, anaphase, and telophase—followed by cytokinesis, ensuring equal distribution of chromosomes to each new cell.

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LYRICS
Interphase is cell division's longest part,
nuclear membrane's intact as it starts,
The cell's growing, cytoplasm flowing,
chromosomes get duplicated, DNA gets replicated

Chromosomes are spread out so they can't be seen distinctly
But note the nucleolus, the ribosome factory
Outside the nucleus are two centrosomes,
They later make a spindle which will pull apart the chromosomes.

Prophase follows, the chromosomes condense,
Each is made of two sister chromatids, (looks) like an "X"
Each sister is a clone, the closest of kin,
And a centromere connects them like siamese twins,

The nucleolus disappears it melts away,
as the cell takes a ribosome production holiday,
the centrosomes separate, start spindle formation
for separating chromatids and cell elongation.

CHORUS
Mitosis, chromosomal ride
Inter-, pro-, meta-, ana-, telophase, divide
Eukaryotes go from one cell to two,
Mitosis, how cells renew.

In late prophase --prometaphase,
The nuclear membrane disintegrates,
The centrosomes migrate to the cell's opposing sides,
And between them the fibers of the spindle wend and wind,

The spindle's made of microtubule fibers which attach
to chromosomes at kinetochores, a protein patch
that serves like a handle that the fibers can grasp,
When they pull apart the chromosomes, splitting them in half,

The spindle moves the chromosomes with nudges so fine,
Into linear formation on the 50 yard line
A location equatorial defining metaphase,
where the chromosomes are lined up on that middle place

CHORUS

The spindle fibers pull on the kinetochores,
A cellular molecular mitotic tug of war,
The centromere snaps, sisters get separated,
Now these chromatids are chromosomes, they've been upgraded

This snapping separation defines anaphase
The "A" for "apartness", for moving different ways,
Kinetochore spindle fibers separate the sisters
See 'em waving goodbye, calling out "I'm gonna miss ya,"

And the other spindle fibers push and grapple like felons
Makes the cell elliptical like a watermelon,
In telophase membranes form 'round the chromosomes
Which spread out as the nucleoli come on home

CHORUS

In animal cells there's a ring of micofilaments
that form at the equator and they cinch themselves in
Tighter, tighter, tighter, tighter 'til the cell is in two pieces,
Yeah in animals, that's cytokinesis

But it's different in plants in them the cell divides
By building a new cell wall from the inside
As the Golgi sends vesicles with cellulosic goo,
Which makes a plate, then a wall, divides the cell in two

And instead of one mother cell we now have daughters two
Identical twins, kind of old but kind of new,
From your single celled beginning this is how you grew
And for single celled eukaryotes it's reproductive too!

Major image credits (complete image credits available upon request)
1. The video of cell division shown during the chorus is by John Daum and Gary Gorbsky, Oklahoma Medical Research Foundation.
2. The image of the mitotic spindle at metaphase and the image of anaphase is from https://wikispaces.psu.edu/display/23.... It is used by permission of the Department of Biology at Penn State University.

⁣The food you eat takes an incredible journey through your body, from top (your mouth) to bottom (your anus). Along the way the beneficial parts of your food are absorbed, giving you energy and nutrients.

Reading

⁣The purpose of the expository writing style is to enlighten or instruct. In other words, it means to present an idea or relevant discussion that helps explain or analyze information. Some of the most common examples of expository writing include scientific reports, academic essays and magazine articles

4th grade science is fun with these review lesson videos from Homeschool Pop. This compilation features some of our most popular 4th grade science videos. We hope you enjoy them as much as we loved making them!

00:00 The human heart
5:19 Reptiles
10:46 Earthquakes
17:09 Plant parts and functions
27:40 Planets in our solar system
44:29 The human brain

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Thanks for watching this 4th grade science compilation learning video from Homeschool Pop! We hope to hear from you soon and we will see you next video!

Homeschool Pop Team



4th Grade Science Compilation

⁣Grade 8 English

Do you know what the South Africa's National Budget is all about? In this video The EMS Guy shows us how the Government manages their income and expenses in order to get the Budget 100%.

SHFT affords independent and motivated candidates the freedom to work at their own pace and achieve academic outcomes while utilising the freedom gained for personal development and the pursuit of other day-time activities.

For more information, please visit:
www.shftyourlearning.org
#shftyourlearning
Phone: +2742 293 3053
SHFT is a product of Global Leadership Academy - Jeffreys Bay

Welcome to a 8 part series on what are the functions of a business. In this final lesson Mr Du Plessis teaches us about production. Please don't miss out on any of the up coming videos. Previous video linked below:
https://youtu.be/22Mc5J7gV7w
SHFT affords independent and motivated candidates the freedom to work at their own pace and achieve academic outcomes while utilising the freedom gained for personal development and the pursuit of other day-time activities.

For more information, please visit:
www.shftyourlearning.org
#shftyourlearning
Phone: +2742 293 3053
SHFT is a product of Global Leadership Academy - Jeffreys Bay

grade 8 art

⁣Grade 10 English

⁣Grade 10 English

⁣Grade 10 English

⁣Meiosis is a type of cell division in sexually reproducing organisms that reduces the number of chromosomes in gametes (the sex cells, or egg and sperm). In humans, body (or somatic) cells are diploid, containing two sets of chromosomes (one from each parent).

⁣A genetic mutation is a change to a gene's DNA sequence to produce something different. It creates a permanent change to that gene's DNA sequence. Genetic variations are important for humans to evolve, which is the process of change over generations. A sporadic genetic mutation occurs in one person.

Reading

⁣What is an apology letter? An apology letter is a written acknowledgment of how the writer's behavior or words adversely affected another person or group. It can be used to make amends in both personal and workplace situations for a mistake.

⁣Grade 8 Science

⁣Grade 8 Science

⁣Grade 8 Science

⁣Grade 8 English