Showing posts with label Photosynthesis. Show all posts
Showing posts with label Photosynthesis. Show all posts

Wednesday, December 12, 2007

Progress Toward Artificial Photosynthesis?

Link: http://www.sciencedaily.com/releases/2007/03/070312152123.htm

Summary: This article is about the progress toward artificial photosynthesis using a special new type of metal-free catalyst: graphitic carbon nitride. The reason it's hard is become it takes a lot of energy to break down the Carbon bonds in CO2.




What is the chemical equation for photosynthesis? Carbon Dioxide + Water = Glucose + Oxygen

What organelles are involved in this process? chloroplasts

List three things you learned from this article in your own words. CO2 bonds are difficult to break, artificial photosynthesis is possible, their are few metals that can break co2 bonds

What impact would the absence of this process have on the biosphere? Without photosynthesis and in turn plants their would be no oxygen which would kill humans leaving the earth without carbon dioxide.

Scientists Unravel Ancient Evolutionary History Of Photosynthesis

link:http://www.sciencedaily.com/releases/2000/09/000913211733.htm

Summary:In photosynthesis, green plants use the energy of sunlight to convert carbon dioxide into hydrocarbons that promote plant growth while generating oxygen from water and releasing the oxygen to the atmosphere. All animals including humans depend either directly or indirectly on this source of food and oxygen. Consequently, photosynthesis is considered the most important chemical process on Earth.

Photosynthesis
What is the chemical equation for photosynthesis?CO2 + 2H2O >> CH2O + O2 + H2O.
What organelles are involved in this process?chloroplasts
List three things you learned from this article in your own words.This helps the plant grow, all animals depend on this , and it is the most important chemical process on earth.
What impact would the absence of this process have on the biosphere?there wouldn't be any oxygen on earth.

How planet Earth turned green

http://environment.newscientist.com/channel/earth/mg19225804.800-how-planet-earth-turned-green.html

Summary: Earth was covered in thick sheets of ice 2.3 billion years ago. Earth thawed and it released strong oxidants into the oceans and atmosphere for the first time. This set off a chain of events that led to oxygen-tolerant marine organisms and photosynthesis as we know it today.


What is the chemical equation for photosynthesis? CO2 + 2H2O >> CH2O + O2 + H2O.

What organelles are involved in this process? The chloroplast

List three things you learned from this article in your own words.
1.) The Earth was once covered in ice.
2.) Oxygen was once deadly on earth.
3.) Oxygenic photosynthesis involves freeing electrons from water which takes more energy and produces oxygen.

What impact would the absence of this process have on the biosphere? we would be able to survive

Progress Toward Artificial Photosynthesis?

Link: http://www.sciencedaily.com/releases/2007/03/070312152123.htm

Summary: In the process know as photosynthesis plants use light as their energy source. Chemist are also trying to be able to use CO2 as a carbon source for their synthetic reactions. Some Scientist have successfully activated CO2 for use in chemical reactions by using a special new type of metal-free catalyst:graphitic carbon nitride.
Questions: What is the chemical equation for photosynthesis?CO2 + 2H2O >> CH2O + O2 + H2O.

What organelles are involved in this process? The Chloroplast
List three things you learned from this article in your own words.I learned that scientist can make artificial CO2. I also learned the equation for photosynthesis. I also learned that sugar,oxygen,and energy is produced from this process.
What impact would the absence of this process have on the biosphere?Plants could't produce sugars that are beneficial to their health and the world so life would not survive.

Tuesday, December 11, 2007

For plants on alien worlds, it isn't easy being green

link:http://space.newscientist.com/article/dn11578-for-plants-on-alien-worlds-it-isnt-easy-being-green.html

summary: The greenery on other planets may not be green. the article states Vegetation colour matters and that plants on Earth-sized planets orbiting stars somewhat brighter than the Sun may look yellow or orange, while those on planets orbiting stars much fainter than the Sun might look black. thats why some think that their is plant life out side of the solar system. Plants also absorb green light, but not as strongly, so leaves look green to the eye.

Questions: What is the chemical equation for photosynthesis?6c02 + 12h2o + lightenergy yeilds c6h12o6 +602 + 6h2o
What organelles are involved in this process? chlorophil and chloroplast
List three things you learned from this article in your own words.all plants are not green, some plants are efffected by the stars around them,and their could be plant life on a nother planet.
What impact would the absence of this process have on the biosphere? on ours nothing because this passage was about how it could be efeected in outer space

Progress Toward Artificial Photosynthesis?

http://www.sciencedaily.com/releases/2007/03/070312152123.htm

This article is about how plants can practice of artificail photosynthesis. Scientist help the plants by giving them a metal catalysts. It help speeds up and is capeable of greaking down C-O into CO2. They also used metal free catalysts and see what it would do.

What is the chemical equation for photosynthesis? CO2 + H2O + light enerdy= ( CH2O)+ O2
What organelles are involved in this process? cell membrane, cell wall, cytoplasm, chorophylls.
List three things you learned from this article in your own words. Plants could make artificial photosynthesis. Use many organelles in the process. It is just as good as regular photosynthesis.
What impact would the absence of this process have on the biosphere? It would make all the hard work of the team good for nothing but there would still natural photosynthesis.

Scientists Offer New View Of Photosynthesis

Link:http://www.sciencedaily.com/releases/2007/05/070503140651.htm

Photosynthesis is a process by which plants convert carbon dioxide into energy and sugar using sunlight. This puts oxygen back into the atmosphere for us to breathe. They've used this process ever since the dawn of time when plants first emerged.


Photosynthesis
What is the chemical equation for photosynthesis?6 H2O + 6 CO2 = C 6H12 O6 + 6O2
What organelles are involved in this process?leaves , chlorolplasts
List three things you learned from this article in your own words.Photosynthesis is a process for plants to gain energy, they use sunlight, and all plants use it.
What impact would the absence of this process have on the biosphere?oxygen wouldn't be recycled and put back into the atmosphere.

Protein Enables Discovery Of Quantum Effect In Photosynthesis, Ukyla Johnson

http://www.sciencedaily.com/releases/2007/05/070502120327.htm-

There is a protien called a taco shell protien. It's ribbon like protien wraps around three clusters of seven chlorophylls, just like a taco shell around ground beef. The protein, comes from a photosynthetic bacteria that lives in extremely high, high temps. Teh taco shell is the most studied protein in a photosythesis. Researchers refer to this as the antenna system. That is molecules thta efficiently transfer energy from light in a cascade.

What is the chemical equation for photosynthesis?
CO2+H2O+Light Energy=(CH2O) +O2

What organelles are involved in this process?
Chlorplasts and Ribosomes

List three things you learned from this article in your own words.
I learned that they transfer energy through wavelengths with extreme accuracy. I learned that in the many areas of pahse space can be sampled effectively to find the most efficent path for energy to pass.

What impact would the absence of this process have on the biosphere? It would cause a world wide wipe out of many people and plants because they wouldn't have any food or carbon dioxide to breathe. Also the animals would die as well.

Progress toward artificial photosynthesis?

Link: http://www.sciencedaily.com/releases/2007/03/070312152123.htm


Summary: This summary is about photosynthesis and how it works in plants.
It also talks about the process and the steps that plants go through to do photosynthesis. It also talks about artificial photosynthesis and if it can be done in plants.

Questions: What is the chemical equation for photosynthesis? Co2+H20+light energy= (CH2O) + O2
What organelles are involved in this process? chloroplasts
List three things you learned from this article in your own words. 1. I learned how photosynthesis works ion plants. 2. I learned how plants used photosynthesis to get their food. 3. I learned whether or not plants could use artificial sunlight.
What impact would the absence of this process have on the biosphere? Plants would be able to start using artificial photosynthesis.

Scientists Successfully Simulate Photosynthesis And Design A Better Leaf

Link: http://www.sciencedaily.com/releases/2007/11/071109123201.htm

Summary- University of Illinois researchers have built a better plant, one that produces more leaves and fruit without needing extra fertilizer. The researchers accomplished the feat using a computer model that mimics the process of evolution. Theirs is the first model to simulate every step of the photosynthesis process.

Questions- What is the chemical equation for photosynthesis?
6CO2 + 6H2O ------> C6H12O6 + 6O2
What organelles are involved in this process? Most photosynthesis occurs in a plant’s leaves.
List three things you learned from this article in your own words. that scientist can alter plants, where photosynthesis mainly occurs and how environmental changes effect photosynthese
What impact would the absence of this process have on the biosphere? better land because this plant doesn't use all of nutrients out of the earth like normal plants do

Monday, December 10, 2007

Photosynthesis:How Planet Earth Turned Green

Link:http://environment.newscientist.com/channel/earth/mg19225804.800-how-planet-earth-turned-green.html

Summary:In this article photosynthesis is portryaed as th reason Earth was formed. About 2.3 billion years ago the Earth was covered with a thick coating of ice. When strong oxidants were released(due to photosynthesis) the frozen ice thawed out. Strong oxidants were released into the ocean and the atmosphere.

Questions:Photosynthesis
What is the chemical equation for photosynthesis?6 H2O + 6CO2 --> C 6H12 O6 +6O2
What organelles are involved in this process? Chloroplasts
List three things you learned from this article in your own words.
1.Photosynthesis is a vital process in living things on Earth
2.Photosynthesis was involved in the formation of the Earth
3.The Earth was covered with ice before photosynthesis interferred
What impact would the absence of this process have on the biosphere?The Earth would have limited oxygen supply

Photosynthesis

http://www.sciencedaily.com/articles/p/photosynthesis.htm


Summary: Photosynthesis is the synthesis of sugar from light,carbon dioxide and water, with oxygen as a waste product.It is the most important biochemical pathway that all life depends on. Most plants are photoautotrophs which means they are able to synthesize food from inorganic molecules to light energy. Photosynthesis occurs in algae,plants,and some bacteria.

Photosynthesis

What is the chemical equation for photosynthesis?6CO2 + 6H2O ------> C6H12O6 + 6O2


What organelles are involved in this process? Chloroplast

List three things you learned from this article in your own words.I learned that plants make sugar,oxygen,and use light for energy.

What impact would the absence of this process have on the biosphere?Plants will start dying and life on Earth would not be the same.

Progress Toward Artificial Photosynthesis

Link:http://www.sciencedaily.com/releases/2007/03/070312152123.htm

Summary: We are trying to do what plants do best and use it. Plants go through a process called photosynthesis. This process takes CO2 and turns it in to good use necessary for the plant to survive. If humans could do this it is no telling what we would do.

Photosynthesis
What is the chemical equation for photosynthesis? 6CO2 + 6H2O ------> C6H12O6 + 6O2

What organelles are involved in this process? Chloroplast
List three things you learned from this article in your own words.We can make it atifical,the equation,
What impact would the absence of this process have on the biosphere?Makes more than sugar

Photosynthesis

Link:http://www.sciencedaily.com/articles/p/photosynthesis.htm

Summery:Photosynthesis is the synthesis of sugar from light, carbon dioxide, and water.All plants on the surface of the earth use Photosynthesis to make energy.they take in light from sun and convert it to energy.

Questions:What is the chemical equation for photosynthesis?6CO2+12H2O+light energy-C6H12O6+602+6H2O
What organelles are involved in this process?Chloroplast is apart of it.
List three things you learned from this article in your own words.Plants make suger,oygen, and use light for energy.
What impact would the absence of this process have on the biosphere?plants would die and life would end.

Progress Toward Artificial Photosynthesis?

http://www.sciencedaily.com/releases/2007/03/070312152123.htm

Summary: The article started off talking about how scientists were trying to create artificial photosynthesis. Later on in the article the scientists present us with the way this occurs. The article explains how the scientist use many different catalysts to test their hypothesis's about the artificial photosynthesis.

Questions: What is the chemical equation for photosynthesis? CO2+H2O --> C6H12O6
What organelles are involved in this process? Chloraplasts
List three things you learned from this article in your own words. artificial photosynthesis is possible, it is a lot of work to produce the conclusions that they do, and it is impressive to see how many catalysts can be used in these experiments.
What impact would the absence of this process have on the biosphere? there would be an excess of carbon dioxide and that would eventually deplete the ozone, bring on global warming, and create a serious climate change.

Photosynthesis: How planet Earth turned green

Link:http://www.newscientist.com/home.ns

Summary:Questions:Photosynthesis
1.)What is the chemical equation for photosynthesis?6 H20 + 6 CO2 --> C 6 H 12 O 6 + 6O2

2.)What organelles are involved in this process? chloroplasts

3.) List three things you learned from this article in your own words.
1a.That photosynthesis is a vital process in living things on Earth.
2b. Photosynthesis was involved in the formation of Earth.
3c. The Earth was covered with ice before photosynthesis interferred.

4.)What impact would the absence of this process have on the biosphere? The Earth would have limited oxygen supply.

Photosynthesis

Link:
http://www.sciencedaily.com/articles/p/photosynthesis.htm
http://users.adelphia.net/~lubehawk/BioHELP!/photochm.htm

Summary: Photosynthesis is the most important biochemical pathway. It takes place in plants, algae, some bacteria, and some protist. Plants that go through photosynthesis are called photoautotrophs. They get food and energy directly from inorganic material.

Questions:
  1. What is the chemical equation for photosynthesis? 6CO2 + 12H2O + light energy ---> C6H12O6 + 6O2 + 6H2O
  2. What organelles are involved in this process? Chlorophyll and chloroplast
  3. List three things you learned from this article in your own words. It happens in most plants. The plants that go through this are photoautotrophs. Algae and bacteria can alos go through photosynthesis.
  4. What impact would the absence of this process have on the biosphere? Some of our food comes from plants, so alot of out food would be gone. Photosynthesis realeases oxygen for us, so if we didnt have photosynthesis we wouldnt have oxygen.