Organelles

I am your usual plant cell There are trillions of my kind on all plant
I am your usual plant cell There are trillions of my kind on all plant
I am your usual plant cell. There are trillions of my kind on all plants, grass, and trees. My breed ranges from ten to a hundred micrometers. I am approximately twenty micrometers since I dwell in grass. My organelles stretch out to one to ten micrometers. If you are asking what I really do and how I live, I am going to answer them in this paper. First off, any cells requires a structure, metabolism, energy, nutrients, waste, and communication. I am more complex than most other cells. Bacteria
The Plant Cell
The Plant Cell
The Plant Cell Cell Wall Size: Around 1Ķ Basic Function: * Hold the shape of the cell. * Strengthen the cell. Covering the cell membrane of the plant cell, there is the cell wall. The cell wall is composed of two layers of rigid, hard cellulose embedded in compounds like pectin and lignin. Pores in the cell wall allow molecules to pass through. The cell wall has two parts. The primary cell wall is formed during the growth of the cell. After the cell has stopped growing, a secondary cell wall fo
Essay of Eukaryotic Organelles 10196 The mitochondria has an eggshape
Essay of Eukaryotic Organelles 10196 The mitochondria has an eggshape
Essay of Eukaryotic Organelles 10/1/96 The mitochondria has an eggshape structure. The mitochondria consists of an inner and outer membrane. The outer membrane is what shapes the organelle to its egglike shape. The inner membrane which folds inward makes a set of shelves or cristae that allow the reactions of the mitochondria to take place. The more the mitochondria makes these reactions the more the inner membrane folds. This happens because the mitochondria now has more surface area connecti
Proteins made from ribosomes attached to the rough endoplasmic reticul
Proteins made from ribosomes attached to the rough endoplasmic reticul
Proteins made from ribosomes attached to the rough endoplasmic reticulum enter the lumen of the ER and move to the smooth endoplasmic reticulum. A small vacuole (vesicle) pinches off the smooth ER and carries the protein to the Golgi apparatus, where it is further processed. ------------------------------------------------------------- Mitochondria are bounded by a double membrane. The inner membrane is folded to form little shelves, called cristae, which project into the matrix, an inner space
DISEASES ASSIGNMENT
DISEASES ASSIGNMENT
DISEASES ASSIGNMENT Q: 1Simple precautions to prevent food poisoning (20marks) 1.Donít leave your food outside or near heat unless youíre cooking it. 2.Make sure your food is clean. 3.Make sure the surface that you cook on is clean. 4.Make sure your food is properly rapped and or kept in a container. 5.Make sure you are using fresh food. 6.Make sure your not allergic to any of the ingredients in the food. 7.Make sure people donít cough or sneeze over the food. 8. Donít eat green eggs and ham. Ha
Compare and Contrast A plant Cell and an Animal Cell
Compare and Contrast A plant Cell and an Animal Cell
Compare and Contrast A plant Cell and an Animal Cell There are many differences as well as similarities between plant cells and animal cells. First we will compare them. The cells of animal and plants have three basic structures. The first is they both contain cell membranes, which is also called the outer boundary of the cell. They also each have a nucleus, or control center. Cytoplasm is found in between the cell membrane and the nucleus of each cell also. They both also contain ribosomes, whe
BIOLOGY GLOSSARY
BIOLOGY GLOSSARY
BIOLOGY GLOSSARY Ecosystem: (Required word) A system formed by the interaction of a community of organisms with their physical environment. An example of an ecosystem is Trees, a lake or in the ground. Data: (Required word) A collection of facts from which conclusions may be drawn Hypothesis: (Required word) A tentative explanation for an observation, phenomenon, or scientific problem that can be tested by further investigation. Photosynthesis: (Required word) The process that light energy, carb
Swimming Pool Chemistry
Swimming Pool Chemistry
Swimming Pool Chemistry Most people still assume that swimming pools are just holes in the ground, filled with water. In reality, there are actually many chemical processes, which occurs in a swimming pool, to keep the water clean and safe. Pathogens such as adenoviruses, Hepatitis A viruses, Shigella and Escherichia coli 0157, which can cause fever, diarrhoea and vomiting, must be eradicated. [3] There are many other chemicals involved in balancing the water as well. [4] Chlorination is the pra
Parts of a cell
Parts of a cell
Parts of a cell Nucleus: carries genetic information for future generations and directs activities of the cell. Nuclear membrane: protects the nucleus from chemicals Ribosome: Manufactures protein Mitochondria: Generates energy for the cell By converting sugar glucose and other nutrients into adenosine triphosphate. This gives the cell to perform basic functions Lysosome: Breaks down break down worn-out organelles and ship their building blocks to the cytoplasm where they are used to construct n
Plants
Plants
Plants The four kinds of plants Plants are the link of the evolutionary chain that helped start life as we know it. Some 700 million years ago we had their first ancestors, algae, developed in the seas, 265 million years after that the first simple stalked plants we found outside the seas now but along their coasts and along streams (Starr, C. Taggart, R. pp.153). Through out the years plants have evolved to the ones we know today and can differentiate them by the following categories: Nonvascul
The Plant Cell
The Plant Cell
The Plant Cell Cell Wall Size: Around 1Ķ Basic Function: * Hold the shape of the cell. * Strengthen the cell. Covering the cell membrane of the plant cell, there is the cell wall. The cell wall is composed of two layers of rigid, hard cellulose embedded in compounds like pectin and lignin. Pores in the cell wall allow molecules to pass through. The cell wall has two parts. The primary cell wall is formed during the growth of the cell. After the cell has stopped growing, a secondary cell wall for
Plant And Animal Cells
Plant And Animal Cells
Plant And Animal Cells I. Introduction All organisms in life are composed of at least one or more cells. Cells are the basic units of life. There are three main features of a cell. First, all organisms consist of one or more cells. Second, cells are the smallest units of life and third, cells arise only from preexisting cells. These three facts are referred to as the cell theory. All cells can be categorized into two basic cell types. They are prokaryotic and eukaryotic. To distinguish where cel
Plant any member of the plant kingdom comprising about 260000 known sp
Plant any member of the plant kingdom comprising about 260000 known sp
Plant, any member of the plant kingdom, comprising about 260,000 known species of mosses, liverworts, ferns, herbaceous and woody plants, bushes, vines, trees, and various other forms that mantle the earth and are also found in its waters. Plants range in size and complexity from small, nonvascular mosses, which depend on direct contact with surface water, to giant redwood trees, the largest living organisms, which can draw water and minerals through their vascular systems to elevations of more
What is so essential about sex One usually speaks of sex for reproduct
What is so essential about sex One usually speaks of sex for reproduct
What is so essential about sex? One usually speaks of sex for reproduction, when actually sex and reproduction are the precise opposites of each other. Reproduction is the process by which one cell turns into two, sex is the process by which two cells turn into one. You may be thinking at this instant, which is better overall? Well, in terms of evolution, sex has had more of an advantage. Here's why: If two favorable mutations occur in different members of the population and they have sex, thos
Five Kingdom Chart
Five Kingdom Chart
Five Kingdom Chart I. Monera The monera kingdom that includes the simplest one-celled prokaryotic organism. These organisms, known as monerans or bacteria, are mostly unicellular, although some form chains, clusters, or colonies of connected cells. They do not have an organized nucleus with a nuclear membrane. The lack most of the organelles, such as mitochondria, lysosomes, and Golbi bodies, found in eukaryotic cells. A) Blue Green Algae Blue Green Algae and other members of this phylum, carry
CELL STRUCTURE AND FUNCTION
CELL STRUCTURE AND FUNCTION
CELL STRUCTURE AND FUNCTION I. The cell theory ∑ All living things are composed of cells ∑ Cells are the basic unit of structure and function of all living things ∑ All cells come from the division of preexisting cells II. Cell structure A. Cell membrane ∑ Aids in the protection and support of the cell ∑ Cell membrane is composed of a bilayer of lipids, protein channel, protein molecule, and carbohydrate chains B. Nucleus ∑ Not all cells have nuclei ∑ Give instructions ∑ Contain DNA 1. Eukaryoti
Biology Definitions
Biology Definitions
Biology Definitions Flagella--A whip like structure uesed for movement. Anerobic--Do not need oxygen, found in the soil. Aerobic-- Likes Oxygen, found in lungs. Saprobe--Helpful bacteria that ues the remains of dead plants and animals for food. Parasite--Oeganism that lives in or on another organism and harms it. Blue-Green Bacteria--Makes it's own food. Monerans--Kingdom of primitive organisms corsisting of bacteria and Blue-Green algae. Fission--A sexual reproduction. Cocci--Sphere shaped, str
Calcium transport study of SF-9 lepidopteran cells and bull frog sympa
Calcium transport study of SF-9 lepidopteran cells and bull frog sympa
Calcium transport study of SF-9 lepidopteran cells and bull frog sympathetic ganglion cells PHM499 Research Project ABSTRACT The intracellular calcium level and the calcium efflux of the bull-frog sympathetic ganglion cells (BSG) and the SF-9 lepidopteran ovarian cells were investigated using a calcium-sensitive fluorescence probe fura-2. It was found that the intracellular calcium levels were 58.2 and 44.7 nM for the BSG cells and SF-9 cells respectively. The calcium effluxes following zero cal
Essay Of Eukaryotic Organelles
Essay Of Eukaryotic Organelles
Essay Of Eukaryotic Organelles The mitochondria has an eggshape structure. The mitochondria consists of an inner and outer membrane. The outer membrane is what shapes the organelle to its egglike shape. The inner membrane which folds inward makes a set of shelves or cristae that allow the reactions of the mitochondria to take place. The more the mitochondria makes these reactions the more the inner membrane folds. This happens because the mitochondria now has more surface area connecting it to i
Cells
Cells
Cells Cells are the basic unit of all life. Even though they are the smallest unit of life they are highly complex. Each cell has enough parts to it to practically survive on its own. There are two types of cells; the plant cell and the animal cell. These two cells do not vary intensely, but there are some major factors that separate them completely. Animal cells are highly organized. The many parts that make up the cell work in synch with each other. These parts are called organelles. The most
Damn Near Everything There Is To Know About Cells
Damn Near Everything There Is To Know About Cells
Damn Near Everything There Is To Know About Cells: Biology Cell Report There are many parts of a cell, they all have specific duties, and are all needed to continue the life of the cell. Some cells exist as single-celled organisms that perform all of the organism's metabolism within a single cell. Such single-celled organisms are called unicellular. Other organisms are made up of many cells, with their cells specialized to perform distinct metabolic functions. One cell within an organism may be
Changes in the Atmosphere Causing Multicellularity
Changes in the Atmosphere Causing Multicellularity
Changes in the Atmosphere Causing Multicellularity About 2.5 billion years ago, oxygen began slowly to accumulate in the atmosphere, as a result of the photosynthetic activity of the cyanobacteria. Those prokaryotes that were able to use oxygen in ATP production gained a strong advantage, and so they began to prosper and increase. Some of these cells may have evolved into modern forms of aerobic bacteria. Other cells may have become symbionts with larger cells and evolved into mitochondria. As t
How Nutrients Get in and Wastes Out
How Nutrients Get in and Wastes Out
How Nutrients Get in, and Wastes Out. By Faisal Premji Science 10 Assignment -- Part B In a human being, nutrients are necessary for survival. But how are these nutrients obtained? This report will go into depth on how the food we eat gets into our cells, and how the waste products that we produce get out of the body. Also, the unicellular organism Paramecium will be compared with a human being, in terms of all of the above factors. Dietary Nutrients The chief nutrients in a diet are classified
The Language of The Cell
The Language of The Cell
The Language of The Cell MAY 3rd, 1996 SCIENCE 10 AP The cell is a complex and delicate system: It can be seen that the cell is the stage where everyday functions such as molecule movement, protein synthesis and tissue repair take place. All organelles within the cell are well rehearsed in their operations, but an error on an organelles behalf, can send the cell and itís organelles into panic. The efficiency rate of the cell plummets down to a low level. It does take some time for the dust to se
What Are The Major Components of Biological Membranes And How Do They
What Are The Major Components of Biological Membranes And How Do They
What Are The Major Components of Biological Membranes And How Do They Contribute To Membrane Function?. Summary. The role of the biological membrane has proved to be vital in countless mechanisms necessary to a cells survival. The phospholipid bilayer performs the simpler functions such as compartmentation, protection and osmoregulation. The proteins perform a wider range of functions such as extracellular interactions and metabolic processes. The carbohydrates are found in conjunction with both
Mitochondria
Mitochondria
Mitochondria Mitochondria are responsible for energy production. They are also the responsible location for which respiration takes place. Mitochondria contain enzymes that help convert food material into adenosine triphosphate (ATP), which can be used directly by the cell as an energy source. Mitochondria tend to be concentrated near cellular structures that require large inputs of energy, such as the flagellum. The role of the mitochondria is very important in respiration. In the presence of o
Mitochondrion
Mitochondrion
Mitochondrion Mitochondrion are the power plant of a cell. The mitochondria are cells based within a cell that turn nutrients from chemical form into a more simple and usable substance for a cell to use as energy. These sausage-shaped organelles are not a true organelle, but more of a parasite that invaded primordial cells and evolved along with them. A mitochondrianís main purpose is to burn energy through a slow method of combustion, which will consume as much air to burn as fire will, just to
The Process of Mitosis
The Process of Mitosis
The Process of Mitosis Mitosis is the term used to describe cell division for replication. The product at the end of mitosis is two daughter cells both genetically identical to the original (parent) cell. This process (mitosis) is used for growth and repair within an organism (and also for asexual reproduction). There are five main stages to mitosis, called Interphase, Prophase, Metaphase, Anaphase and Telophase. Although the process has been divided up into these stages the process of mitosis i
DNA
DNA
DNA Deoxyribonucleic acid and ribonucleic acid are two chemical substances involved in transmitting genetic information from parent to offspring. It was known early into the 20th century that chromosomes, the genetic material of cells, contained DNA. In 1944, Oswald T. Avery, Colin M. MacLeod, and Maclyn McCarty concluded that DNA was the basic genetic component of chromosomes. Later, RNA would be proven to regulate protein synthesis. (Miller, 139) DNA is the genetic material found in most virus
Mitochondria And Chloroplast Essay
Mitochondria And Chloroplast Essay
Mitochondria And Chloroplast Essay I. Introduction Out of all the organelles there are two that have fascinated microbiologists for the past hundred years. The first is the mitochondria, nicknamed the powerhouse of the cell. The second is the chloroplast in plant cells that have functions similar to those of the mitochondria. What do these organelles do? What are the similarities and differences of these organelles? This essay will help you to understand these two fascinating organelles. II. Mit
Biology
Biology
Biology 1. The virus is made up of five parts and is in the size range of 10 nm-300 nm in diameter. The first is the coat made up of protein that protects the virus to a point. Next is the head that contains the genetic material for the virus. The genetic material for a virus is DNA. The two other parts are the tail sheath and the tail fibers that are used for odd jobs. I believe that a virus is not considered to be a living creature due to the fact it is a parasitic reproducer. To me it is just
Melatonin And The Pineal Gland
Melatonin And The Pineal Gland
Melatonin And The Pineal Gland Melatonin And The Pineal Gland Set deep in our brains is a tiny gland called the pineal gland. This tiny gland is in charge of the endocrine system, the glandular system that controls most of our bodily functions. The pineal runs our Ňíbody clocks', and it produces melatonin; the hormone that may prove to be the biggest medical discovery since penicilin, and the key to controlling the aging process. The pineal gland controls such functions as our sleeping cycle and
Biology coursework Enzyme
Biology coursework Enzyme
Biology coursework: Enzyme Aim: Investigate the effect of one independent variable, enzyme concentration or the temperature, on the rate of the enzyme catalase. The experiment that I am going to do is, to find the rate of reaction at different temperatures. My experiment is to cut the potato in to equal pieces then to put it into hydrogen peroxide, and then collect the reaction. I want to see which temperatures the enzyme work best. And use my experiment to prove my prediction is correct or wro