High-Fructose Corn Syrup and Enzyme Glucose Isomerase Quiz

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What enzyme is used to convert a substantial fraction of glucose to fructose in high fructose syrup?

Sucrase

Maltase

Amylase

Glucose isomerase (correct)

Why is high-fructose corn syrup (HFCS) commonly used in processed foods and beverages in the U.S?

It is more expensive than sugar, indicating higher quality

It is easier to extract from corn than sugar from sugarcane

It is less sweet than sugar, making it suitable for a wide range of products

It has a higher microbiological stability than sugar (correct)

Which type of high fructose corn syrup (HFCS) is sweeter than sucrose?

HFCS-55 (correct)

HFCS-42

HFCS-30

HFCS-90

What are sugar alcohols such as maltitol and erythritol primarily made from?

Reducing sugars Signup and view all the answers

Why are sugar alcohols like sorbitol and mannitol used as sweeteners?

They have lower caloric content compared to regular sugar Signup and view all the answers

Which activity does the text primarily focus on involving the application of sugar and starch manufacturing theories?

Daily biotechnology tasks Signup and view all the answers

What are the major types of microalgae mentioned in the text?

Diatoms, green algae, golden brown, blue-green algae Signup and view all the answers

What is the economic advantage of using animal fats for biodiesel production compared to plant crops?

Animal fats are priced more favorably for conversion Signup and view all the answers

Why is water removal important in the biodiesel production process?

Water causes hydrolysis of triglycerides Signup and view all the answers

Which chemical reactions are involved in biodiesel production?

Transesterification and esterification Signup and view all the answers

What is the process of producing biodiesel from animal fats known as?

Transesterification Signup and view all the answers

Which feedstock is commonly used in biodiesel production according to the text?

Yellow grease Signup and view all the answers

What is one limiting factor in the industrial uses of vegetable oils?

Susceptibility to becoming rancid Signup and view all the answers

Apart from being used as cooking oil, what is another use of biofuel mentioned in the text?

Oil spill cleanup Signup and view all the answers

In what industry are vegetable oils increasingly used as insulators?

Electrical Signup and view all the answers

What is one environmental impact mentioned in the text associated with vegetable oils?

Toxic effect on animals and plants Signup and view all the answers

Which of the following is NOT mentioned as an industrial use of vegetable oils?

Power generation Signup and view all the answers

Apart from being used as fuel transportation, what other use of biofuel is highlighted in the text?

Pet food additive Signup and view all the answers

What can happen when ignition sources are present in the context of biofuels?

Catch fire Signup and view all the answers

Which action is strictly prohibited in relation to the document according to the text?

Reproduction without prior written permission Signup and view all the answers

What environmental impact is associated with biofuels mentioned in the text?

Helping reduce global warming Signup and view all the answers

What happens when dry clay contacts floating oil based on the text?

Oil-mineral aggregates are formed Signup and view all the answers

Why is wetting dry clay with water a less efficient process for interacting with oil according to the text?

It increases the mass of clay needed to sink oil Signup and view all the answers

Under what condition can sending oil to the bottom of a body of water be an acceptable remedy for spills according to the text?

If the oil can be biodegraded in the sediment Signup and view all the answers

What is the main ability possessed by soap and detergent when dissolved in water?

Removing dirt from surfaces Signup and view all the answers

Why is it important for oil droplets and dirt particles to be suspended in a stable and highly dispersed condition in the detergent solution?

To prevent redeposition on the cleaned surface Signup and view all the answers

Why are small oil droplets or fine dirt particles preferred in washing fabrics and materials?

Because they are more easily carried through the material interstices Signup and view all the answers

What would happen if oil droplets and dirt particles were not deflocculated in the detergent solution?

They would coalesce into larger aggregates Signup and view all the answers

What is the consequence of oil droplets and dirt particles redepositing on a cleansed surface?

Reduction in the cleanliness of the surface Signup and view all the answers

Which process would be hindered if relatively large oil droplets or dirt particles were present in washing fabrics and materials?

Carrying process through interstices Signup and view all the answers