Search: carbon+sugar=starch

Number of results: 4,769

science - biology
A photosynthesis experiment uses Chlorella to track the route taken by 14C in photosynthesis. The 14C is provided from CO2 and no new sources of CO2 are available. After the experiment the scientist extracts all of the starch produced and analyses the Carbon present. She ...
Saturday, May 7, 2011 at 8:57am by jack

biology
14 points Save A photosynthesis experiment uses Chlorella to track the route taken by 14C in photosynthesis. The 14C is provided from CO2 and no new sources of CO2 are available. After the experiment the scientist extracts all of the starch produced and analyses the Carbon ...
Saturday, May 7, 2011 at 9:01am by jack

AP BIO
a student wished to test a sample of organic material to determine whether it was sugar, a dat, or starch. If she could perform only one of the following, which would be the most revealing? 1- test for the presence of carbon and hydrogen in the sample 2- test the sample to ...
Wednesday, October 7, 2009 at 5:43pm by bubba

carbon+sugar=starch
Why are you saying that carbon is needed to make starch? Actually only sugar (glucose) is needed along with an enzyme to catalyze the linkage of multiple glucose units in a dehydration (loss of water) reaction. Glucose + Glucose ----> maltose + H2O maltose is ...
Saturday, August 27, 2005 at 9:40am by DrJeff

7th grade science
I have to write a kids book showing the process of photosynthesis,including chloroplast,carbon dioxide, oxygen,sugar starch suns energy water reactanats & products. Can you help!
Monday, November 10, 2008 at 5:08pm by KJ

Biology- Amylase
Hello, In our class, we are doing a hypothetical digestion of starch by amylase lab. I do not know where to begin with this following information. If I add Benedict's solution (which I know will change color when the presence of sugar is noted). After all of these tubes ...
Sunday, November 4, 2007 at 2:18pm by Nelson

biology
Why is CO^2 required by plants to produce glucose? ( the arrow pointing up should be pointed down.) CO2 is where the Carbon comes from to make sugar.Glucose is a six-carbon sugar represented by the formula C6H12O6
Thursday, January 4, 2007 at 9:19pm by marco

biology
The backbone of the DNA strand is made from alternating phosphate and sugar residues.The sugar in DNA is 2-deoxyribose, which is a pentose (five-carbon) sugar. The sugars are joined together by phosphate groups that form phosphodiester bonds between the third and fifth carbon ...
Wednesday, February 27, 2008 at 10:10pm by Josh

Pre AP Chemistry
If I have a 1200 gram sample of a soft drink and it contains 180 grams of sugar, the percentage by mass of the sugar in the drink is 15%. If the sugar in the drink is sucrose (C12H22O11), how many grams of pure carbon can be obtained from decomposing all of the sugar in the ...
Tuesday, February 22, 2011 at 12:14pm by Lynn

Chemistry
If the sulfuric acid is not very strong, not much of anything. BUT if the sulfuric acid is concentrated acid, as it comes out of the bottle it's about 98%, it dehydrates the sugar. When water is pulled from the sugar it leaves carbon and a syrupy mess that is VERY ...
Wednesday, December 10, 2008 at 5:56pm by DrBob222

science
Carbon particles are elements, and sugar is a compound. Together they are a heterogenous mixture, dirty sugar.
Thursday, February 28, 2013 at 2:49pm by PsyDAG

science
Chemical formula : C12,H22,O11 How many carbon atoms are in 1 molecule of sugar? How many hydrogen atoms are in 1 molecule of sugar? How many oxygen molecules are in 1 molecule of sugar?
Monday, October 31, 2011 at 8:48pm by Ashlie

biology
For question one, try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=why+is+there+radioactive+Carbon+in+the+starch+after+using+Chlorella+in+a+photosynthesis+experiment For question 2, there may be some new links here: http://search.yahoo.com/search...
Saturday, May 7, 2011 at 9:01am by SraJMcGin

Biology
The fermentation process of yeast is caused by enzymes, catalysts in chemical reactions similar to the digestive enzymes in the human body. In fact, the word enzyme means "in yeast." Certain enzymes in yeast act on starch to break down the long chainlike molecules ...
Monday, November 9, 2009 at 8:23pm by bobpursley

Biology
Which of the following is a polymer of an amino sugar? a.) cellulose b.) chitin c.) glycogen d.) starch
Tuesday, September 7, 2010 at 6:06pm by Anna

General Science
Is cheese a good source of? water, sugar, starch or protein.
Wednesday, May 13, 2009 at 12:23pm by Anonymous

General Science
Cheese is a good source of; water, sugar, starch, protein
Wednesday, May 13, 2009 at 12:23pm by Anonymous

Chemistry
Amylose is a starch and a starch/iodine mixture is blue. Saliva contains amylase, an enzyme that breaks the starch down to begin the digestion process. Without starch, the iodine/starch blue color disappears. Here is a site with much more information about it. http://en....
Sunday, August 8, 2010 at 8:42pm by DrBob222

Chem
do sugar, corn syrup, corn starch, and gum acacia affect the movement of dyes on chromatography paper?
Thursday, December 17, 2009 at 6:17pm by ....

Biology
Try here: http://www.google.com/search?q=most+direct+way+for+carbon+in+starch+stored+in+cereal+grain+to+be+released+to+the+atmosphere+as+carbon+dioxide&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a Sra
Monday, October 12, 2009 at 10:27pm by SraJMcGin

Chemistry
No, your original answer is not correct. There is no replacing the I2 in the amylose coil; in fact the I2 is STILL THERE. The original blue color is due to a complex between starch (amylose) and I2. (I'm an analytical chemist and we use starch in titrations with I2. When ...
Monday, August 9, 2010 at 6:05pm by DrBob222

Science
Think what happens to the starch, sugar, and protein particles in the sandwich as they are digested, absorbed, into blood, then into individual cells.
Wednesday, January 11, 2012 at 9:19am by bobpursley

Bio
A biologist was experimenting with a corn plant that had previously incorporated radioactive carbon into starch stored in its cells. She measured the radioactivity present in the following compounds: Sugar extracted from the plant CO2 producd by the plant Alcohol, if produced ...
Thursday, November 19, 2009 at 6:04pm by Trishia

chemistry
sugar in water and sugar in sand: both contain sugar. sugar dissolves in water; sugar does not dissolve in sand.
Tuesday, September 14, 2010 at 9:46am by DrBob222

Chemistry
why does a solution made of starch get thick when heated in water? Is starch insoluable? If it is, would the answer be because the solution just forms complexes of suspended solids which thinken the mixture? Or would it be because granules of starch uncoil to give long strands...
Sunday, August 8, 2010 at 7:46pm by Bobby

Biology
Which is the most direct way that the carbon in starch stored in cereal grain can be released to the atmosphere as carbon dioxide? 1. grain destroyed by fire 2. grain eaten by birds 3. grain made into bread and eaten by humans 4. grain stored in damp conditions goes mouldy and...
Monday, October 12, 2009 at 10:27pm by Marrion

Bio
Try some of the following links: http://search.yahoo.com/search?fr=mcafee&p=how+the+Calvin+cycle+makes+sugar+from+carbon+dioxide Sra
Monday, January 3, 2011 at 11:55am by SraJMcGin

health
What are the health risks of consuming a high amount of sugar? A. High sugar raises your glucose levels for long-term energy. B. Sugar can promote tooth decay. C. High sugar intake can lead to high blood pressure. D. Sugar can cause ulcers can you help me . plezzzz i have this...
Tuesday, September 16, 2008 at 7:43pm by AK

starch
how can i carry out starch analysis by extraction and sedimentation method.
Monday, October 20, 2008 at 8:44am by adanma

Biology
what is the relationship between the amount of starch and maltose present during starch hydrolysis.
Tuesday, June 22, 2010 at 10:40am by Kelly

SCIENCE-URGENT
Right now I'm studying photosynthesis in Biology. We have to design an experiment that would prove how light reactions occur prior to carbon fixing reactions. I know how light and carbon fixing reactions work, but how can I prove this experimentally? Are there any ...
Tuesday, January 8, 2008 at 6:36pm by Eddie

Physical science
Why through photosynthesis we mustn't put sodium or potassium hydroxide?? (an experiment for testing the carbon dioxide if it is important for the starch formation)
Monday, October 1, 2012 at 4:27pm by Razan

GR.12 BIOLOGY
i have to do an experiment on alcohol fermentation using yeast and sugar. i decided that i will test the differnt types of sugars to see how fast or how slow the reaction will happen. The three types is sucrose which is brown sugar ,there is lactose and fructose but can u ...
Thursday, October 21, 2010 at 3:54am by confused and sad

9th grade Health
I have to know what recommendations concerning starch in our diet, and the chemistry of starch as well. Please help?
Wednesday, February 11, 2009 at 10:39pm by Cassandra

math
A sugar molecule has twice as many atoms of hydrogen as it does oxygen and one more atom of carbon that oxygen. If a sugar molecule has a total of 45 atoms, how many are oxygen and how many are hydrogen?
Tuesday, September 2, 2008 at 6:44pm by kayla

kayla
A sugar molecule has twice as many atoms of hydrogen as it does oxygen and one more atom of carbon that oxygen. If a sugar molecule has a total of 45 atoms, how many are oxygen and how many are hydrogen?
Tuesday, September 2, 2008 at 6:13pm by math

science
as temperture rises,solids generally become more soluable in water but gases become less soluble.if a soft drink comtains high concentrations of sugar and carbon dioxide.which of the following may be expected to happen if it is cooled down? 1)sugar may percipate out.2)gas ...
Saturday, October 6, 2007 at 8:42pm by jessica

Chemistry
Yes, the mass is greater, the atomic number stays the same (so it's still carbon) but it is an isotope of carbon; i.e., carbon 12 and carbon 13 are isotopes of carbon.
Monday, July 26, 2010 at 12:35pm by DrBob222

college biology
give a liable explanation for food test.... include test for starch,, simple sugar,,, fat and protein ,,,, please include chemistry and chemical equations... thanks ... due tomorrow
Wednesday, September 9, 2009 at 10:14pm by kadian

science
As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down? A) Sugar may precipitate out. B...
Wednesday, January 18, 2012 at 9:50am by Valerie

chemistry
As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down? A) Sugar may precipitate out. B...
Tuesday, July 28, 2009 at 1:34pm by Anonymous

science
As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down?A) Sugar may precipitate out. B...
Friday, July 10, 2009 at 1:25pm by dashauna

Science
As temperature rises, solids generally become more soluble in water, but gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down? A) Sugar may precipitate out. B...
Thursday, December 25, 2008 at 12:35am by Lily

science
As temperature rises, solid generally become more soluble in water, but gases become less soluble. If soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down? 1. Sugar may precipitate out. 2. ...
Sunday, September 28, 2008 at 6:08am by Anonymous

science
as temperture rises solids become more soluble in water,but gases become less soluble.if a soft drink contains high concetrations of sugar and carbon dioxide which of the following may be expected to happen if it is cooled down?1-sugar amy precipitate out.2-gas bubbles may ...
Tuesday, October 9, 2007 at 9:54pm by yaz

mixture
Sugar solution is composed of 40 grams of sugar and 200 grams of water. How many grams of sugar must be added to make a 60% sugar solution? (Kindly write the equation..... tnx)
Thursday, November 22, 2012 at 1:16am by HELP HELP MNHS

science
As temperature rises , solids generally become more soluble in water , but gases become less soluble .If a soft drink contains high concentrations of sugar and carbon dioxide , wich of the following may be expected to happen if it is cooled down ? 1. sugar may precipitate out...
Saturday, October 6, 2007 at 8:42pm by sindy

Chemistry
A 271-mL of a sugar solution containing 1.79g of the sugar has an osmotic pressure of 30.1 mmHg at 35.1 degrees C. What is the molar maas of the sugar?
Monday, October 18, 2010 at 5:51pm by John

home chemistry
if we grind some sugar and in this ground sugar, we add some salt in it then it will become a mixture of sugar and salt. so how can we separate sugar and salt.
Saturday, August 11, 2012 at 9:59am by edward

chemistry -- help
In sugar production, a process involves seeding of a supersaturated solution (sugar as solute) by adding 'ground sugar with few amounts of isopropyl alcohol'. My question is, why must the ground sugar be wetted with isopropyl alcohol? thanks in advance.
Tuesday, October 4, 2011 at 9:19am by Namie

chemistry
In sugar production, a process involves seeding of a supersaturated solution (sugar as solute) by adding 'ground sugar with few amounts of isopropyl alcohol'. My question is, why must the ground sugar be wetted with isopropyl alcohol? thanks in advance.
Tuesday, October 4, 2011 at 2:34am by Namie

Economics
(Last Word) The U.S. sugar program has: A. improved the world allocation of agricultural resources. B. caused the world price of sugar to rise above its domestic price. C. increased domestic sugar production. D. lowered the incomes of U.S. sugar growers.
Monday, June 9, 2008 at 11:04am by glenda

science
are carbon particles and sugar an element, compound,solution, or heterogeneous mixture?
Thursday, February 28, 2013 at 2:49pm by jay

economics
what is the shift in the demand or supply curve for: The development of the sugar beet as a major source of sugar has lowered land rents on islands producing sugar cane
Wednesday, February 17, 2010 at 8:03pm by Anonymous

Chem
Why does H2O + Sugar have a higher boiling point than Water? I said that H20 + Sugar has a solute of sugar which absorbs some of the heat when boiled. Is that correct?
Wednesday, April 29, 2009 at 11:29pm by Chopsticks

physics
Chlorophyll in the leaves acts as a catalyst to enable H2O and CO2 to combine to form carbohydrates (sugar, starch and cellulose). The energy needed to enable these reactions come from sunlight. The process is called photosynthesis. You have probably heard of the term before.
Sunday, December 13, 2009 at 10:09am by drwls

Chemistry
An aqueous mixture containing starch, NaCl, glucose and albumin is placed in a dialyzing bag and immersed in distilled water. Which of the following, correctly describes the location of the indicated substance after dialysis? A. albumin, inside B. starch outside C. albumin ...
Monday, November 29, 2010 at 12:18pm by Beth

Science
photosynthesis uses carbon dioxide to make sugar, expelling O2 to the atmosphere.
Wednesday, November 12, 2008 at 10:08pm by bobpursley

Chemistry
The explanation I gave you yesterday (plus the site I posted) is correct. Of the choices listed in your post today, #3 is the correct one. Compare this with my earlier answer---Saliva contains amylase, an enzyme which breaks amylose down (and it breaks it down into smaller ...
Monday, August 9, 2010 at 6:05pm by DrBob222

Health and Nutrition
Carbohydrates are found in the sugar, starch and fiber food categories. They typically have a negative connotation due to their association with weight gain; however, the body requires carbohydrates for energy and for proper functioning of the digestive system. To obtain the ...
Sunday, September 9, 2012 at 2:00pm by Laruen

chemistry
% sugar = [(20 g sugar/(20g sugar + 200 g H2O)]*100 % H2O = 100% - %sugar.
Thursday, April 5, 2012 at 1:15am by DrBob222

Biology
In class, I did an experiment with water and iodine solution in a beaker and also starch in a dialysis tube tied and placed in the beaker. There were discussion questions I couldn't answer surely... please check my answers. 1. a)Use your results to determine the direction ...
Tuesday, April 3, 2012 at 9:00am by CrissyXD

ESL
Sugar is a mass noun (similar to 'money', 'water', and 'air' in that it cannot be referred to as individual units by that noun. For example: Not a money, but a /unit/ of money such as a dollar or a pound. Not an air, but some air, or a litre of air. Not...
Friday, August 31, 2007 at 10:01pm by Jack

Science
Reggie has a sample of raw sugar made up of large particles and a sample of white sugar made up of much smaller particles. He dissolved 1 tsp. of each sample in 1 cup of water. Which dissolved fastest? a) Both dissolved at the same rate b) The white sugar dissolved slowly, and...
Wednesday, October 26, 2011 at 12:13am by Regina PLEASE

chem
Yes. We have water (or close to it) with a solution of sugar with some sugar as the solid and no more can dissolve. Some sugar is dissolving and for every molecule of sugar that dissolves another one that is in solution crystallizes. That is what dynamic equilibrium is all ...
Friday, January 13, 2012 at 5:16pm by DrBob222

science
as temperature rises, solids generally become more soluble in water, but the gases become less soluble. If a soft drink contains high concentrations of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down? 1.sugar may precipitate. 2....
Thursday, May 1, 2008 at 1:56am by barby

biology
After a meal rich in starch, the blood with the highest concentration of sugar would be in what blood vessel? What are the 2 blood vessels containing blood with the highest concentration of oxygen?
Wednesday, September 16, 2009 at 1:00pm by paula

science
can you describe the process of cellular respiration.include the words:sugar,energy,carbon dioxide,and water
Thursday, March 28, 2013 at 4:42pm by amanda

MATH
A sugar jar is filled full with sugar weighs 30 lbs. It wieghs 9 lbs when the jar is one fourth filled with sugar. What is the of the empty sugar jar.
Wednesday, February 13, 2013 at 7:49pm by AYAA

Chemistry
An aqueous mixture containing starch (a colloid), NaCl, glucose, and albumin (a colloid) is placed in a dialyzing bag and immersed in distilled water. Which of the following correctly describes the location of the indicated substance after dialysis? A-albumin, inside B-starch ...
Sunday, December 5, 2010 at 12:55pm by MoMto2

Chemistry: Identifying Substances
Yes, O2 is a molecule of oxygen. CO is a molecule of carbon monoxide. O is the symbol for oxygen while O2 is the formula for molecular oxygen. C is the symbol for carbon. The O2 tells us that the oxygen molecule consists of two atoms of oxygen; the CO (formula for carbon ...
Saturday, March 10, 2012 at 1:46pm by DrBob222

micro
In the US, it is common to sweeten the bitter tea with added sugar. So hard choices are diluted with sugar. Mary Poppins (if you remember her) added sugar to medicine.
Wednesday, June 3, 2009 at 3:25pm by bobpursley

Biology/Chemistry
Since this is not my area of expertise, I searched Google under the key words "starch test" to get sources. I could not find another way to test for starch. I hope this helps. Thanks for asking.
Tuesday, January 8, 2008 at 7:21pm by PsyDAG

Environmental Science
1. How are carbon emissions related to the carbon that accumulates in the atmosphere? 2.How is carbon absorption related to the carbon that accumulates in the atmosphere? 3.What happens to carbon in the atmosphere when carbon emissions are equal to carbon absorption? 4.What ...
Saturday, April 4, 2009 at 2:05am by Matt

Chemistry/Science - please help!
An aqueous mixture containing starch (a colloid), NaCl, glucose, and albumin (a colloid) is placed in a dialyzing bag and immersed in distilled water. Which of the following correctly describes the location of the indicated substance after dialysis? A-albumin, inside B-starch ...
Tuesday, November 30, 2010 at 11:39am by Madison

bio- botony
The water pressure that pushes water and sugar from sugar source to sugar sink is referred to as _____. The answer is bluk flow but idk why. Why isnt i translocation or transpiration?
Tuesday, October 2, 2012 at 8:36pm by rebekah

Biology
There is usually not much starch on a food label and so this would be difficult to determine. I presume you mean you want to know how to determine how much starch there is in a food product in order to compare with what is on the packet's label? There are a number of ...
Friday, September 18, 2009 at 8:21am by Dr Russ

6th grade
Mix sand and sugar with water and heat the solution. the sugar dissolves and sand is left behind. filter and separate sand. Now heat the sugar solution, until water evaporates and sugar crystallises.
Monday, October 11, 2010 at 9:40pm by Anonymous

science
define sugar For definitions, I suggest you use a real or online dictionary. For example, try: http://www.thefreedictionary.com/sugar The chemical formula for "table" sugar is C12H22O11. There are other types as well, notably fructose and glucose.
Saturday, September 2, 2006 at 3:11am by charmaine

science
as temperture rises solids become more soluble in water,but gases become more less soluble.if a soft drink contain high concentration of sugar and carbon dioxide which of the following may be expected to happe if it is cooled down? 1)sugar amy percipatate out2.gas bubbles may ...
Tuesday, October 9, 2007 at 10:58am by jessica

biology
After a meal rich in starch, the blood with the highest concentration of sugar would be in what blood vessel? What are the 2 blood vessels containing blood with the highest concentration of oxygen? The websites given last time did not help, please can someone tell me the answers
Wednesday, September 16, 2009 at 3:28pm by paula again

5th grade
Yes, mix sugar, water, and carbon dioxide. They all can exist in solution (liquid) together, as in soda pop.
Thursday, October 7, 2010 at 8:39pm by bobpursley

science
If a soft drink contains high concentration of sugar and carbon dioxide, which of the following may be expected to happen if it is cooled down?
Friday, September 4, 2009 at 1:20pm by april

Chemistry
Well, Benedict's test detects reducing sugars (such as glucose). Benedict's reagent contains blue copper ions (Cu2+) which are reduced to copper (Cu+) in the presence of reducing sugars. These are precipitated as red copper(I) oxide which is insoluble in water. The ...
Tuesday, March 30, 2010 at 3:55am by coco

Chemistry - help needed
All of the texts I have seen say that the iodine color is dark enough that starch is not needed to see the end point; however, I also note that ALL of the texts give instructions that INCLUDE the use of starch for the end point. Personally, I KNOW my eyesight is not good ...
Tuesday, February 22, 2011 at 5:01pm by DrBob222

Chemistry
In a lab I did, I put slices of potatos in varying amounts of sugar concentrations and one control group which contained only water and no sugar. What is suppose to happen? My data tells me that the potato weighed heavier after a day of being submerged. Is that correct? In ...
Friday, February 1, 2008 at 10:30am by Steve

math
The Sugar Sweet Company is going to transport its sugar to market. It will cost 4550 to rent trucks, and it will cost an additional 175 for each ton of sugar transported. Let c represent the total cost (in dollars), and let s represent the amount of sugar (in tons) ...
Friday, March 29, 2013 at 4:44pm by Anonymous

Alegbra
2. The Sugar Sweet Company is going to transport its sugar to market. It will cost $4200 to rent trucks, and it will cost an additional $150 for each ton of sugar transported. Let C represent the total cost (in dollars), and Let S represent the amount of sugar (in tons) ...
Thursday, August 18, 2011 at 4:17pm by Daniel

Math
The Sugar Sweet Company is going to transport its sugar to market. It will cost 4375 to rent trucks, and it will cost an additional 175 for each ton of sugar transported. Let c represent the total cost (in dollars), and let s represent the amount of sugar (in tons) transported...
Thursday, September 10, 2009 at 7:24pm by Chopsticks

Economics
Sugar can be produced from a variety of plants. In tropical countries it is frequently derived from sugarcane. In the U.S. it is largely extracted from sugarbeets. As part of a program of economic pressure against Cuba, the U.S. has for years placed large tariff (import tax) ...
Wednesday, September 27, 2006 at 9:10pm by Evette Johnson

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