cell structure & function for AIPMT

This animation shows you the function of plant and animal cells for middle school and high school biology, including organelles like the nucleus, nucleolus, DNA (chromosomes), ribosomes, mitochondria, etc. Also included are ATP molecules, cytoskeleton, cytoplasm, microtubules, proteins, chloroplasts, chlorophyll, cell walls, cell membrane, cilia, flagellae, etc.

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What is the smallest unit of our body? The cell. Can it get any smaller? How many cells are produced in our body everyday? Have you heard of cell suicide? It’s called apoptosis. How many different kinds of cells do we have? How does that single cell become this collection of organ systems that we call the human body? Learn more about the beginning of our life in terms of how a single person comes to be, through this video module.

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Cell Structure and Function

All about Eukaryotic Cell a video Lecture for Hindi medium students

Paul Andersen takes you on a tour of the cell. He starts by explaining the difference between prokaryotic and eukaryotic cells. He also explains why cells are small but not infinitely small. He also explains how the organelles work together in a similar fashion.

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CBSE CLASS VIII SCIENCE CELL STRUCTURE AND FUNCTIONS

This video describes about the cell and cell theory. All living organisms are composed of cells and product of cells. Cell is the structural and functional unit of life.

Mitochondria structure and function-This lecture explains about the structure and function of mitochondria.
The mitochondrion (plural mitochondria) is a double membrane-bound organelle found in most eukaryotic cells.[1] The word mitochondrion comes from the Greek μίτος, mitos, i.e. thread, and χονδρίον—, chondrion, i.e. granule[2] or grain-like.

Mitochondria are commonly between 0.75 and 3μm in diameter[3] but vary considerably in size and structure. Unless specifically stained, they are not visible. Mitochondria have been described as the powerhouse of the cell because they generate most of the cell's supply of adenosine triphosphate (ATP), used as a source of chemical energy.[4] In addition to supplying cellular energy, mitochondria are involved in other tasks, such as signaling, cellular differentiation, and cell death, as well as maintaining control of the cell cycle and cell growth.[5] Mitochondria have been implicated in several human diseases, including mitochondrial disorders,[6] cardiac dysfunction,[7] and heart failure. A recent University of California study including ten children diagnosed with severe autism suggests that autism may be correlated with mitochondrial defects.[8]
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With the help of a microscope, an English scientist, Robert Hooke, first discovered the existence of cells in 1665.Scanning electron microscopes are used to examine the external parts of various organisms.The transmission electron microscope is used to view the internal structure of a cell and its organelles.Organisms that are made up of a single cell and perform all their vital activities, like reproduction, locomotion and digestion, are called unicellular organisms.Organisms that are made up of more than one cell are called multicellular organisms.Amoeba uses small finger-like projections called pseudopodia for locomotion and to capture prey.Paramecium is a single cell and is built in such a way that it performs all its vital activities, like reproduction, locomotion, digestion, and so on. Read more at

Parts of a cell: nucleus, ribosomes, endoplasmic reticulum, Golgi bodies, mitochondria, chloroplasts, vacuoles, and vesicles

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This video describes about an overview of cell, cells vary in their shape, size and activities or functions, based on the presence and absence of a membrane bound nucleus and other organelles, cells and hence organisms can be named as eukaryotic or prokaryotic.

This HD dramatic video choreographed to powerful music introduces the viewer/student to the wonder and miracle of cells. It is designed as a motivational trailer to be shown by Biology, Biochemistry and Life Science teachers in middle and high school and college as a visual Introduction to this amazing microscopic world.

Music is Fire and Ice by Groove Addicts.

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I can customize this video to add your name or school name at the end credits, for a very modest fee. If interested, email me at [email protected]

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Class 11 Biology – Cell Cycle and Division
Do you know every living being, even the largest begins its life from a single cell? Now you will wonder how a cell becomes a complete organism with millions and millions of cells. Growth and reproduction are characteristics of every cell. A cell grows and divides into daughter cells which further have the capability of growing and dividing further which gives rise to a cell population. In this chapter we’ll learn
1. Cell division and interphase.
2. Mitosis and Meiosis.
3. Amitosis.

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This video describes about the prokaryotic cell, which are represented by bacteria, blue green algae, mycoplasma and PPLO (pleuropneumonia like organisms).

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You will learn about Animal Cell in this video. The animal cell is surrounded by a flexible cell membrane that encloses all the contents of the cell. It is semi- permeable, i.e. it allows only specific materials to move in and out of the cell.

The different parts of the cell are called organelles. The animal cell has a jelly like substance called cytoplasm that provides a surface for all organelles.

The nucleus is the control centre of the cell. It decides and controls most of the functions going on in the cell.

The mitochondria are the sites for cellular respiration in the cell. They are known as the powerhouses of the cell as they release energy rich compounds called ATP, which are needed for the functioning, growth and maintenance of the body.

The endoplasmic reticulum is a large network of membrane bounds sheets and tubes. It helps to transport and exchange materials between the various regions of the cytoplasm. There are 2 types of the endoplasmic reticulum, the rough endoplasmic reticulum and the smooth endoplasmic reticulum.

It is called the rough endoplasmic reticulum due to the presence of ribosomes on its surface that help in the building and synthesis of proteins.

While, it is called the smooth endoplasmic reticulum due to the absence of ribosomes. They are involved in synthesis of lipids which are essential components of the cell membranes

Ribosomes then carry these proteins to the golgi apparatus that process and package these proteins. The layers of golgi apparatus are called golgi bodies. They are involved in the formation of lysosomes. The lysosomes are called the suicide bags of the cell. They help in cell digestion. They break down the cell wastes and convert it into new cell building material in the cytoplasm.

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Class 11 Biology – Cell the Unit of Life
There was a scientist named Robert Hooke who first saw that cork resembled the structure of honeycomb consisting of many small components. So he named them as cells. This was a major discovery after a long time that seemingly consistent living beings are made of smaller things which make them discontinuous. After this discovery, the study of these fundamental units began and we’ll learn about the structure and working of these fundamental units in this chapter. We’ll learn
1. Cell biology and cell theory.
2. Prokaryotic cells and its types.
3. Cytoplasm of prokaryotic cell.
4. Prokaryotic cells Ribosomes, Nucleoid and Plasmids.
5. Eukaryotic cells.
6. Eukaryotic cell organelles.
7. Eukaryotic cell nucleus.

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demo lecture plant tissue for AIPMT,BHU,AIIMS,WBJEE other state PMT

Class 10th Biology: Life processes Structure of Human Heart. Aakash iTutor (Enquire Here: - A next generation tablet based complete educational product.

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cell structure & function for AIPMT,BHU,AIIMS

CELL

All living forms are composed of microscopic units called as “Cells”. A cell is the basic structural and functional unit of all life forms. Study of structure and composition of cell is called as “Cytology”. Cell was first observed by “Robert Hooke” in a dead cork slice in the year 1665. He described about this in his book “Micrographic”.

The word cell was derived from a Greek word “Cellulae” which means small room. First living cell was discovered by A.V. Leeuwenhoek. The term protoplasm was coined by purkinje in 1839. Protoplasm was discovered by “Felix Dujardin” and named as sarcode.

Its consistency differs under different condition. It exists in sol-gel states. Protoplasm is an aggregate of various chemicals such as water, ions, salts and other organic molecules like proteins, carbohydrates, fats, nucleic acids, vitamins etc.

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Cell Structure and Functions | Class 8th Science-Biology | NCERT | CBSE Syllabus | Live Videos

This video is a part of Pebbles CBSE Syllabus Live Teaching Videos Pack. Class 6 to 10th Subject Packs are available in all leading Book Stores in all over India. For online purchase of our products. visit pebbles.in

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This rap was created for a 6th-grade science classroom to teach about the different parts of a cell. With its catchy rhythm and rhymes, students of all learning styles and abilities will be able to learn about cells and their functions while having fun!

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Cells, Cells
Original Rap by Ms. Quitmeyer- Legal name now changed to: Emily Crapnell

Today's the day were gonna learn about the cell
If I teach it okay, you'll know it very well
So listen up 6th graders-
-no room left for haters-
lets talk about the building blocks of life- cells that make us.

Chorus:
Cells, cells they're made of organelles
Try to pull a fast one, the cytoplasm gels
The nucleus takes over controllin' everything
The party don't stop 'till the membrane blocks the scene
Inside the vacuole we can float around for hours
Running round with chloroplasts, lovin' sunlight showers
Cells, cells, they're made of organelles

First things first, there's two different types-
animal and plant cells that make up all life.
The little things that make up microscopic cells,
The main structures- yeah, we call them organelles.
Now let's break it down and get some information-
How do cells work? It's a crazy combination!

-Chorus-

The cell membrane is the border patrol,
Who can cross over? The membrane lets 'em know
The gooey stuff inside, is called the cytoplasm
It holds the organelles- don't worry, plasm-has 'em!
In the middle of the cell you'll find the big brain,
The nucleus surrounded by nuclear membrane
Don't forget the vacuole filled up with water
It's a basic need for life when this rap keeps getting hotter!

-Chorus-

The mitchondria's something every cell needs,
Breaking down the food and releasin' energy.
There's a place inside the cell where chemicals are stored, the squiggly golgi bodies, releasin' even more.
Yo hangin' in the cell is endoplasmic reticulum, synthesizin' enzymes for respiration, and um...
If you still think that this rap is whack, remember ribosomes making proteins gettin' jacked!

-Chorus-

Lookin at the plant cell, weird and green
two more parts is all it takes you see?
Cell wall knows what's up when it comes to keepin' structure
Strong with cellulose, this cell can't get much tougher.
C-H- L-O- R-O -- Plast,
These little green machines are havin' a blast
Photosythenisizing- filled with chlorophyll
-they hit the cell club, runnin' up a high bill-

-Chorus-

Creative Commons License
Cells Cells - Parts of the Cell Rap by Emily J Crapnell is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 4.0 International License.

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CELL CYCLE:

The cell cycle or cell-division cycle is the series of events that take place in a cell leading to its division and duplication of its DNA (DNA replication) to produce two daughter cells. In bacteria, which lack a cell nucleus, the cell cycle is divided into the B, C, and D periods. The B period extends from the end of cell division to the beginning of DNA replication. DNA replication occurs during the C period. The D period refers to the stage between the end of DNA replication and the splitting of the bacterial cell into two daughter cells. In cells with a nucleus, as in eukaryotes, the cell cycle is also divided into three periods: interphase, the mitotic (M) phase, and cytokinesis. During interphase, the cell grows, accumulating nutrients needed for mitosis, preparing it for cell division and duplicating its DNA. During the mitotic phase, the chromosomes separate. During the final stage, cytokinesis, the chromosomes and cytoplasm separate into two new daughter cells. To ensure the proper division of the cell, there are control mechanisms known as cell cycle checkpoints.

The cell-division cycle is a vital process by which a single-celled fertilized egg develops into a mature organism, as well as the process by which hair, skin, blood cells, and some internal organs are renewed. After cell division, each of the daughter cells begin the interphase of a new cycle. Although the various stages of interphase are not usually morphologically distinguishable, each phase of the cell cycle has a distinct set of specialized biochemical processes that prepare the cell for initiation of cell divisions.

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water absorption in plant by Dr.s.jaiswal for AIPMT,WBJEE,BHU,AIIMS etc

Anatomy of flowering plants Vol:1 s video Lecture of Biology for NEET by SB Mam.SB Mam is known for herunique, focused and simplified NEET teaching to bring to students an easy and analytical methodology towards NEET.
This course is designed and developed by the experienced faculty of KOTA and etoosindia.com. In this lecture SB Mam is giving the detailed view of Cell.
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Science behind Stem Cells in Hindi