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December 22, 2014

Search: carbon+sugar=starch

Number of results: 4,152

Science
What building blocks are starches made of? What is the difference between sugar and starch? What term describes the size of a starch? What molecule has to be added to a starch to break it down?
October 7, 2013 by Hannah

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 disaccharide. ...
August 27, 2005 by DrJeff

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 ...
May 7, 2011 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 ...
May 7, 2011 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 ...
October 7, 2009 by bubba

Chemistry grd 12
for the below questions the food samples were onion juice, cornflakes, egg, milk, salad dressing and instant oatmeal. 1) Why are you required to wear safety eye wear and protective clothing while conducting an investigation of testing food samples for proteins,starch,sugar and...
October 27, 2013 by Sky

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 are ...
November 4, 2007 by Nelson

science
is a complex sugar an example of a starch? is a simple sugar an example of glucose?
November 6, 2014 by thomas

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
January 4, 2007 by marco

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 ...
February 22, 2011 by Lynn

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?
October 31, 2011 by Ashlie

General Science
Cheese is a good source of; water, sugar, starch, protein
May 13, 2009 by Anonymous

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

chemistry
When cane sugar reacts with oxygen in living systems, carbon dioxide and water are produced. What weight of carbon dioxide can be produced from the reaction of 15.0 grams of cane sugar with 15.0 grams of oxygen? (Hint: balance the equation) ___C12H22O11(s) + ___O2(g)  ...
October 9, 2013 by Brittney

Science Please Check!
Which atoms are in all carbohydrates? A- carbon, phosphorus, oxygen B- carbon, nitrogen, oxygen C- carbon, hydrogen, oxygen D- carbon, hydrogen, nitrogen My choice is C. Which type of macromolecule is the sugar fructose? A- protein B- lipid C- carbohydrate D- nucleic acid My ...
October 14, 2014 by Alexandria

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

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...
August 8, 2010 by Bobby

Biology
Yogurt contains fats, cholesterols, carbohydrates(fibre, sugar and starch) and protein. For each of the nutrients that this food contains: Explain how the molecule's structure fits it function?
October 20, 2014 by Jack

starch
how can i carry out starch analysis by extraction and sedimentation method.
October 20, 2008 by adanma

Biology
what is the relationship between the amount of starch and maltose present during starch hydrolysis.
June 22, 2010 by Kelly

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 ...
November 19, 2009 by Trishia

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

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...
October 12, 2009 by Marrion

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...
September 16, 2008 by AK

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)
October 1, 2012 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 ...
October 21, 2010 by confused and sad

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 experiments ...
January 8, 2008 by Eddie

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
September 9, 2009 by kadian

Math
The initial amount of sugar in fermenting a batch of beer is 5.5grams. Over time the sugar decreases at a rate of 0.1grams per day. a. what is the amount of sugar that remains after 7 days? 23days? b. If A represents the amount of sugar, write an equation for the amount of ...
August 27, 2014 by Anonymous

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?
October 18, 2010 by John

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 ...
October 6, 2007 by jessica

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 ...
November 29, 2010 by Beth

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)
November 22, 2012 by HELP HELP MNHS

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 ...
October 9, 2007 by yaz

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. ...
September 28, 2008 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...
December 25, 2008 by Lily

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...
July 10, 2009 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...
July 28, 2009 by Anonymous

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...
July 28, 2009 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...
January 18, 2012 by Valerie

Science Please Check!
Which statement best explains how the structure of a starch molecule relates to its function? A- A branching structure makes the molecule stronger. B- A branching structure has more chemical bonds than an unbranched structure. C- A branching structure provides many points ...
October 14, 2014 by Alexandria

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 of ...
April 3, 2012 by CrissyXD

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?
September 2, 2008 by math

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?
September 2, 2008 by kayla

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?
April 29, 2009 by Chopsticks

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
February 17, 2010 by Anonymous

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.
June 9, 2008 by glenda

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.
June 9, 2008 by glenda

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.
October 4, 2011 by Namie

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.
October 4, 2011 by Namie

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.
August 11, 2012 by edward

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 ...
December 5, 2010 by MoMto2

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 ...
December 5, 2010 by MoMto2

science
are carbon particles and sugar an element, compound,solution, or heterogeneous mixture?
February 28, 2013 by jay

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 ...
November 30, 2010 by Madison

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...
October 25, 2011 by Regina

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...
October 26, 2011 by Regina PLEASE

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...
October 26, 2011 by Regina ?????????

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...
October 26, 2011 by Regina ?????????

Chemistry
How many carbon atoms are contained within 10.0 pounds of sugar, (sucrose) which has the formula c12h22o11?
September 22, 2014 by Sara

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?
September 16, 2009 by paula

maths
by a reduction of 1kg in the price of sugar, mohan can buy one kg sugar more for Rs56 find the original price of sugar
October 19, 2013 by sasi

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
September 16, 2009 by paula again

chemistry
30 ml of sugar syrup is mixed with water to yield a concentration of 60% sugar solution. What is the volume of the solution? The sugar has a molecular formula of c12h22o11 and a mass of 12g.
December 15, 2013 by Helena

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....
May 1, 2008 by barby

7th grade science fair project
okay hi there, love ya site! ok i need help with a project im doing this project about iodine + starch turning blue when theres starch present in the food. got any suggestions? thanks......
December 1, 2009 by shyannahy

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?
October 2, 2012 by rebekah

biology
the clinitest tablets specifically test for which of teh following: starch, hydrogen peroxided, guaicol, peroxidase, or none of the above. Is the answer starch or none of the above?
October 3, 2009 by Anonymous

biology
A solution of the enzyme amylase was added to a solution of starch and kept at 25C. The starch was broken down by hydrolysis. Explain how you would determine the rate of hydrolysis.
September 13, 2010 by Arina Aliah

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

Science Bio
Hi there, I have a quick question which I'm really stumped on. 1. When combined with Lugol's solution (iodine), does glucose and sucrose contain starch? I think glucose has starch but not sucrose. Is this right?
March 8, 2009 by Jenny

Math ms. Sue please help
Kandace's recipe for cupcake frosting calls for 3 3/4 cups granulated sugar, 3/4 cup butter, 1 2/3 powdered sugar and 6 ounces unsweetened chocolate. How much sugar is in the recipe?
September 11, 2013 by Gabby

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.
September 2, 2006 by charmaine

Math
The initial amount of sugar in fermenting a batch of beer is 5.5 grams. Over time the sugar decreases at a rate of 0.1grams per day. a.What is the amount of sugar that remains after 7 days? 23 days? - I got: 5.5-0.1x= A - 5.5-0.1(7)= 4.8 - 5.5-0.1(23)= 3.2 b. If A represents ...
September 1, 2014 by Anonymous

Math!
The initial amount of sugar in fermenting a batch of beer is 5.5 grams. Over time the sugar decreases at a rate of 0.1grams per day. a.What is the amount of sugar that remains after 7 days? 23 days? - I got: 5.5-0.1x= A - 5.5-0.1(7)= 4.8 - 5.5-0.1(23)= 3.2 b. If A represents ...
September 4, 2014 by Anonymous

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) ...
September 27, 2006 by Evette Johnson

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.
February 13, 2013 by AYAA

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 ...
February 1, 2008 by Steve

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...
September 10, 2009 by Chopsticks

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) ...
August 18, 2011 by Daniel

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) ...
March 29, 2013 by Anonymous

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 ...
October 9, 2007 by jessica

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?
September 4, 2009 by april

Chemistry - help needed
In titrations involving sodium thiosulphate and potassium iodide, is it necessary to use starch solution to help us see the end point? If the colour change from yellow to colourless is easily visible, is it acceptable not to use the starch solution?
February 22, 2011 by janice

Science
By counting the number of H atoms and oxygen atoms in the sucrose. what is the ratio of hydrogen to oxygen? What process would this be called if you had a starch like above and added water to it so it broke down into the simple sugars the starch is made of?
October 7, 2013 by Kaylyn

Science
Under which of the following conditions would the same amount by mass of sugar diffuse the fastsest? 300 ml ice tea with sugar cube 300 ml ice tea with table sugar 300 ml hot tea and a sugar cube 300 ml hot tea and table sugar
January 4, 2010 by Kiki

chemistry
if the levels of liquids are mercury, sugar, corn syrup and water and a sugar cube is dropped in where would it land? what would happen to the sugar cube over time?
September 25, 2007 by Amy

Biology
I am doing a lab on Dialysis to check if starch moves through the differentially permeable membrane of dialysis tubing.We did this by placing a dialysis tube filled with starch solution into a beaker filled with distilled water and a few drops of iodine. I concluded that ...
February 18, 2009 by Audrina

science
While doing a scinece project with my daughter we attempted to melt two sugar cubes. We poured alcohol on one sugar cube and vinegar on the other. The sugar cube with the alcohol melted at a faster speed. Why was this?
May 13, 2011 by alexis

Science
Circle the letter of each scentence that is true about the products of photosynthesis: a: Plant cells use the sugar for food. b: Some of the sugar is made into other compounds, such as cellulose. c: Some of the sugar is stored in the plant's cells for later use. d: Extra sugar...
November 5, 2008 by Kelsie

Bio
How does the Calvin cycle make sugar from carbon dioxide? Where does the energy come from to drive this cycle?
January 3, 2011 by Anonymous

Chemistry
I found the following procedure to prepare starch indicator solution on a website:- To prepare starch indicator solution, add 1 gram of starch (either corn or potato) into 10 mL of distilled water, shake well, and pour into 100 mL of boiling, distilled water. Stir thoroughly ...
October 6, 2010 by annie

chemistry
What is the purpose of adding zinc chloride in the preparation of starch iodide paste? Please refer to the procedure below: - Starch Iodide Paste- Heat 100mL of water in a 250mL beaker to boiling, add a solution of 0.75g of potassium iodide in 5mL of water, then add 2g of zinc...
March 5, 2011 by jan

Chemistry
What is the purpose of adding zinc chloride in the preparation of starch iodide paste? Please refer to the procedure below: - Starch Iodide Paste- Heat 100mL of water in a 250mL beaker to boiling, add a solution of 0.75g of potassium iodide in 5mL of water, then add 2g of zinc...
March 6, 2011 by Jan

chemistry
Which of the following can be classified as a pure compound? Choose one answer. a. iodine, I2 b. sugar, C12H22O11 c. mercury, Hg d. alcohol in water, C2H5OH in H2O e. carbon, C
August 23, 2011 by Ashley

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 ...
April 4, 2009 by Matt

Biology, Burning of sugar..My theory
Can someone explain why, when sugar is burnt aerobically, it yields more energy than if it is burnt in anaerobic conditions? My thesis is that in aerobic conditions, there is an abundant supply of oxygen which can burn the sugar and thus, creating ATP (energy) which is limited...
September 10, 2009 by Kim

critical thinking
what is the rhetorical device for: What is the difference between "sugar free" and "no sugar added"? sugar free means no sugar at all and non sugar added means it has natural sugar nd they don't add any extra bob do you know what the rhetorical device used is? comparison/...
February 8, 2007 by christine

chemistry
Benedict's reagent is used for detecting reducing sugars because _________. the —OH groups are exchanged for hydrogens. the copper ion in the reagent is oxidized as the sugar is reduced. the aldehyde group in the sugar is oxidized. a reduction of the sugar occurs producing an ...
April 20, 2012 by krystal

chemistry
Benedict's reagent is used for detecting reducing sugars because _________. the —OH groups are exchanged for hydrogens. the copper ion in the reagent is oxidized as the sugar is reduced. the aldehyde group in the sugar is oxidized. a reduction of the sugar occurs producing an ...
April 20, 2012 by krystal

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