teena

teena
my baby girl

Monday 27 February 2012

info on interview

My interview posted previous is a fake interview with Rebba Skloot.Its a school project on cells.feel free to look at previous links on febuary 26 post ,there is a link on Henrietta Lacks cells.

fake interview with Rebecca Skloot on Henrieeta Lacks

1,q,What is Henrietta Lacks well known for?
1,a,Henrietta Lacks is well known for her cells.

2,q,Give us some background on Henrietta Lacks.
2,a,In 1951 Henrietta Lacks was dying on cervical cancer,researchersremover cells from her body,without her family's permission , researchers grew her cells in a laboratory ,Henrietta 's cells was the first cells to live outside the body.
3,q,What are the benifits of Henrietta Lackls cells.
3,a,Henrietta Lacks cells were made for medicine,benefiting hundreds of millions of people.Development of polio vacines,invitro vertiisation techniques genetics research , understanding of cancer,manufacture for herpes ,influenza and many more.
4,q,How many of Henrietta cells been growing since she died?
4,a,Over 50 tons of Henrietta 's cells have been growing since she died.
5,q,Did her family know any of this about reasearches removing tissue?
5,a,No her family never knew .It was over 20 years before they found out.
6,q,Did Henrietta Lacks come from a family with money?
6,a,No she came from a poor family.Henrietta Lacks body is layed to rest in an unmarked grave.
7,q,Did her family recieve any money from the profits?
7,a,No her family hasn't recieved any money.
8,q,Is her family upset that they didn't know or recieve any money.
8,a,Henrietta's daughter Deborah states,she isnt mad because science helped many lives,but would like to have some health insurance.
9,q,If samples are taken from patients who owns them?
9,a,At present all judgement has been made in favour to scientist and drug companies.

Sunday 26 February 2012

info on plant and animal cells and websites

plants cells have

chloroplasts and use photosynthesis to produce food
cell wall made of cellulose
plant cell has plasmodesmato - microscopic channels which traverse the cell walls of the cell
one vey large vacuole in the center
are rectangular in shape

animal cells

dont have chloroplast
no cell walls[only cell membrane
no plasmodesmata
one small vacuole
either circular ,irregular or defined shapes depending on type of cell




http://www.explorelearning.com/index.cfm?method=cSearch.actDoSearch&NewSe
arch=1&uncompiledQuery=cell+theory&search=SEARCH
http://mw.concord.org/modeler/
Plant vs. Cell Interactive
http://www.cellsalive.com/cells/cell_model.htm
Research
Look up the story of Henrietta Lacks
Watch
http://www.cbc.ca/books/2011/10/the‐cells‐that‐wouldnt‐die.html
http://www.cbc.ca/strombo/social‐issues/remembering‐henrietta‐lacks.html
Audio
http://www.cbc.ca/thecurrent/episode/2011/02/02/henrietta‐lacks/


glossary plant cell

cell membrane - the thin layer of protein and fat that surrounds the cell, but is inside the cell wall. The cell membrane is semipermeable, allowing some cell wall - a thick, rigid membrane that surrounds a plant cell. This layer of cellulose fiber gives the cell most of its support and structure. The cell wall also bonds with other cell walls to form the structure of the plant.
centrosome - (also called the "microtubule organizing center") a small body located near the nucleus - it has a dense center and radiating tubules. The centrosome is where microtubules are made. During cell division (mitosis), the centrosome divides and the two parts move to opposite sides of the dividing cell.
chloroplast - an elongated or disc-shaped organelle containing chlorophyll. Photosynthesis (in which energy from sunlight is converted into chemical energy - food) takes place in the chloroplasts.
cytoplasm - the jellylike material outside the cell nucleus in which the organelles are located.
Golgi body - (also called the Golgi apparatus or Golgi complex) a flattened, layered, sac-like organelle that looks like a stack of pancakes and is located near the nucleus. The Golgi body packages proteins and carbohydrates into membrane-bound vesicles for "export" from the cell.
mitochondrion - spherical to rod-shaped organelles with a double membrane. The inner membrane is infolded many times, forming a series of projections (called cristae). The mitochondrion converts the energy stored in glucose into ATP (adenosine triphosphate) for the cell.




nuclear membrane - the membrane that surrounds the nucleus.
nucleolus - an organelle within the nucleus - it is where ribosomal RNA is produced.
nucleus - a spherical body containing many organelles, including the nucleolus. The nucleus controls many of the functions of the cell (by controlling protein synthesis) and contains DNA (in chromosomes). The nucleus is surrounded by the nuclear membrane
ribosome - small organelles composed of RNA-rich cytoplasmic granules that are sites of protein synthesis.
rough endoplasmic reticulum - (rough ER) a vast system of interconnected, membranous, infolded and convoluted sacks that are located in the cell's cytoplasm (the ER is continuous with the outer nuclear membrane). Rough ER is covered with ribosomes that give it a rough appearance. Rough ER transport materials through the cell and produces proteins in sacks called cisternae (which are sent to the Golgi body, or inserted into the cell membrane).
smooth endoplasmic reticulum - (smooth ER) a vast system of interconnected, membranous, infolded and convoluted tubes that are located in the cell's cytoplasm (the ER is continuous with the outer nuclear membrane). The space within the ER is called the ER lumen. Smooth ER transports materials through the cell. It contains enzymes and produces and digests lipids (fats) and membrane proteins; smooth ER buds off from rough ER, moving the newly-made proteins and lipids to the Golgi body and membranes.
vacuole - a large, membrane-bound space within a plant cell that is filled with fluid. Most plant cells have a single vacuole that takes up much of the cell. It helps maintain the shape of the cell.


glossary animal cell
cell membrane - the thin layer of protein and fat that surrounds the cell. The cell membrane is semipermeable, allowing some substances to pass into the cell and blocking others.
centrosome - (also called the "microtubule organizing center") a small body located near the nucleus - it has a dense center and radiating tubules. The centrosome is where microtubules are made. During cell division (mitosis), the centrosome divides and the two parts move to opposite sides of the dividing cell. The centriole is the dense center of the centrosome.
cytoplasm - the jellylike material outside the cell nucleus in which the organelles are located.
Golgi body - (also called the Golgi apparatus or Golgi complex) a flattened, layered, sac-like organelle that looks like a stack of pancakes and is located near the nucleus. It produces the membranes that surround the lysosomes. The Golgi body packages proteins and carbohydrates into membrane-bound vesicles for "export" from the cell.
lysosome - (also called cell vesicles) spherical organelles surrounded by a membrane; they contain digestive enzymes. This is where the digestion of cell nutrients takes place.
mitochondrion - spherical to rod-shaped organelles with a double membrane. The inner membrane is infolded many times, forming a series of projections (called cristae). The mitochondrion converts the energy stored in glucose into ATP (adenosine triphosphate) for the cell.
nuclear membrane - the membrane that surrounds the nucleus.


nucleolus - an organelle within the nucleus - it is where ribosomal RNA is produced. Some cells have more than one nucleolus.
nucleus - spherical body containing many organelles, including the nucleolus. The nucleus controls many of the functions of the cell (by controlling protein synthesis) and contains DNA (in chromosomes). The nucleus is surrounded by the nuclear membrane
ribosome - small organelles composed of RNA-rich cytoplasmic granules that are sites of protein synthesis.
rough endoplasmic reticulum - (rough ER) a vast system of interconnected, membranous, infolded and convoluted sacks that are located in the cell's cytoplasm (the ER is continuous with the outer nuclear membrane). Rough ER is covered with ribosomes that give it a rough appearance. Rough ER transports materials through the cell and produces proteins in sacks called cisternae (which are sent to the Golgi body, or inserted into the cell membrane).
smooth endoplasmic reticulum - (smooth ER) a vast system of interconnected, membranous, infolded and convoluted tubes that are located in the cell's cytoplasm (the ER is continuous with the outer nuclear membrane). The space within the ER is called the ER lumen. Smooth ER transports materials through the cell. It contains enzymes and produces and digests lipids (fats) and membrane proteins; smooth ER buds off from rough ER, moving the newly-made proteins and lipids to the Golgi body, lysosomes, and membranes
vacuole - fluid-filled, membrane-surrounded cavities inside a cell. The vacuole fills with food being digested and waste material that is on its way out of the cell.






Wednesday 22 February 2012

day 2

ok here i go day 2,working on my bio,unit 1-plants and animal cells,plants vs cell,story of henrietta lacks.will follow up with an up date of my work.

Monday 20 February 2012

new start/new chapter

new blog for new chapter in my life.today i started bio,yup,lets see were this will take me and my inputs on this subject.but one thing i know so far we have a great teacher teaching us.