Other SB questions I couldn't find

Which form of sugar is the healthiest choice in a balanced diet?

Complex polysaccharides

Which of the following options correctly describe "n" in any polymerization reaction? Select all that apply. See the accompanying equation for a representation of a general polymerization reaction. Multiple select question. "n" specifies the length of the polymer. "n" is unrelated to the molecular mass of the polymer. "n" indicates the number of molecules of monomer that react. "n" is found on the product side of a polymerization reaction to indicate the number of unreacted monomers.

"n" specifies the length of the polymer. "n" indicates the number of molecules of monomer that react.

What concerns about sugars should be addressed when planning your daily dietary intake? (Select all that apply.)

The total amount of sugar consumed is more important than the type of sugar consumed. Too much sugar in the diet can cause health issues such as type 2 diabetes and high blood pressure.

Which of the following statements correctly describes the peptide bond? Select all that apply.

A peptide bond is formed between the amino group of one amino acid and the carboxyl group of another. Each amino acid can form at least two peptide bonds.

Which of the following are different forms of polystyrene? Select all that apply. Multiple select question. Amorphous Plasticized Crystal Expandable

Crystal Expandable

Which of the following options correctly describe the properties of ethylene? Select all that apply. Multiple select question. Ethylene is flammable. If ethylene is released in the atmosphere it can be classified as particulate matter. Ethylene is produced at oil refineries. Ethylene is a colorless gas. Ethylene is transported across the country as a gas.

Ethylene is flammable. Ethylene is produced at oil refineries. Ethylene is a colorless gas.

Ethylene is not classified as a pollutant but it can nonetheless still be categorized as which of the following? Multiple choice question. Particulate matter VOC HCFC CFC

VOC

Which of the following options correctly describe vitamins? Select all that apply.

Vitamins are organic compounds with a wide range of physiological functions. Vitamins are essential for preventing disease. Vitamins are essential for proper metabolic functioning.

Mammal enzymes are unable to catalyze the breaking of _____ linkages in cellulose.

B

Which two functional groups are condensed to form a polyester? Multiple select question. Amine Carboxylic acid Ester Amide Alcohol

Carboxylic acid Alcohol

Which of the following options correctly describe the recycling of plastics? Select all that apply. Multiple select question. Melted plastics must be manipulated extensively before being converted to new products. Codes on plastic containers help to separate different types of polymers. Once sorted, plastics are melted. Once collected, plastics must be sorted by hand.

Codes on plastic containers help to separate different types of polymers. Once sorted, plastics are melted.

Which of the following statements correctly describe polystyrene? Select all that apply. Multiple select question. Crystal polystyrene is hard and brittle. Expandable polystyrene contains 4-7% of a plasticizer. Crystal polystyrene is composed of a repeating head-to-tail monomer arrangement. Expandable polystyrene is light and a good thermal insulator.

Crystal polystyrene is hard and brittle. Expandable polystyrene is light and a good thermal insulator.

Which of the following options correctly describe eco-friendly polymers? Select all that apply. Multiple select question. Eco-friendly polymer waste decomposes easily. Eco-friendly polymers have been used in automobile parts. Eco-friendly polymers are made from recycled plastics. Eco-friendly polymers are made from materials such as wood, cotton, starch, and sugar.

Eco-friendly polymer waste decomposes easily. Eco-friendly polymers have been used in automobile parts. Eco-friendly polymers are made from materials such as wood, cotton, starch, and sugar.

True or false: A recycled-content product must be composed entirely of one type of recycled plastic.

False

Which type of vitamin is more likely to cause damage if ingested in excess?

Fat-soluble vitamins

Which of the following options correctly describe respiration? Select all that apply.

Glucose is converted into carbon dioxide and water during respiration. Glucose is "burned" as fuel in the body during respiration.

Which of the following are potential adverse effects of nitrogen compounds on the environment? Select all that apply.

Increase in tropospheric ozone levels Algal blooms due to fertilizer runoff Acid rain

Which of the following are essential amino acids?

Isoleucine Histidine Lysine Leucine

Which of the following polymers are formed through addition polymerization? Select all that apply. Multiple select question. LDPE PS PP PVC PET HDPE

LDPE PS PP PVC HDPE

What forces cause polyethylene to be a solid material? Multiple choice question. Ion-dipole forces London dispersion forces Covalent forces Hydrogen bonding

London dispersion forces

Which of the following options correctly describe oils and fats? Select all that apply.

Many oils are of plant origin. Most oils are liquids at room temperature. Oils and fats have similar chemical structures.

Which of the following options correctly describe micronutrients? Select all that apply.

Micronutrients are substances that are essential to life. Micronutrients are substances that are required in miniscule amounts. Vitamins are micronutrients.

Which of the following structural properties are associated with LDPE? Select all that apply. Multiple select question. The polyethylene chain is linear. Molecules of this polymer consist of 500 monomeric units. Molecules of this polymer consist of 10,000 monomeric units. The polyethylene chain is branched. The structure is highly crystalline.

Molecules of this polymer consist of 500 monomeric units. The polyethylene chain is branched.

Which of the following options correctly describe monosaccharides? Select all that apply. Multiple select question. Monosaccharides are single sugars. Monosaccharides contain a single ring that consists of four or five carbon atoms only. A monosaccharide ring contains an oxygen atom. Monosaccharides contain twice as many oxygen atoms as hydrogen atoms.

Monosaccharides are single sugars. A monosaccharide ring contains an oxygen atom.

Nitrogen needs to be converted to reactive forms in order to be used by plants and animals. Place the forms of nitrogen in order as they are processed by soil bacteria, starting with the least reactive form of nitrogen at the bottom of the list.

NO3- NO2- NH4+ N2

Which of the following options correctly describe the structural features of nylon? Select all that apply.

Nylon is formed from two different monomers. Nylon is an alternating copolymer. Adipic acid is a monomer of nylon.

Which of the following is/are considered municipal solid waste (MSW)? Select all that apply. Multiple select question. Old microwave Industrial waste Siding from a construction site Grass clippings Banana peel

Old microwave Grass clippings Banana peel

Which of the following options correctly describe the applications of the big six polymers? Select all that apply. Multiple select question. HDPE is used in the fabrication of grocery bags. PP is used in the manufacture of carpeting. PS is used to fabricate food wrap. PVC is used to make soft-drink bottles.

PP is used in the manufacture of carpeting. PS is used to fabricate food wrap.

Which of the following options correctly describe plasticizers? Select all that apply. Multiple select question. Plasticizers impart stiffness in a polymer. PVC commonly contains plasticizers. Plasticizers are a type of polymer. Plasticizers disrupt the regular packing of polymer molecules.

PVC commonly contains plasticizers. Plasticizers disrupt the regular packing of polymer molecules.

Which of the following starting materials is NOT used to synthesize eco-friendly polymers? Multiple choice question. Sugar Wood Cotton fibers Starch Petroleum

Petroleum

Which of the following options correctly describe steps in the nitrogen cycle? Select all that apply

Plants assimilate nitrogen in the form of NO2- and NO3- ions. Nitrogen-fixing bacteria convert N2 to NH3 and NH4+. The process of nitrification converts NH4+ ions to NO2- and NO3- ions.

Which of the following statements correctly describe/define the word plastic? Select all that apply. Multiple select question. Plastics is a term that applies to only a very specific group of compounds with very unique properties. Only organic macromolecules have plastic properties. Plastic is sometimes used a synonym for synthetic polymer. Plastic is both an adjective and a noun.

Plastic is sometimes used a synonym for synthetic polymer. Plastic is both an adjective and a noun.

Which of the following options correctly describes plastics in landfills? Multiple choice question. Plastics are readily degraded by bacteria and fungi. Plastics make up the majority of waste in a landfill. Plastics are not readily biodegradable. Plastics emit methane when degraded.

Plastics are not readily biodegradable.

The monomers used to synthesize some of the "big six" are very structurally similar to ethylene except one of the hydrogens has been substituted by another atom or group of atoms. Match each substituent with the appropriate name of the monomer. Instructions Drag and drop application. R = -Cl R = -Cl drop zone empty. R = -CH3 R = -CH3 drop zone empty. R = -C6H5

R = -Cl matches Choice, vinyl chloride vinyl chloride R = -CH3 matches Choice, propylene propylene R = -C6H5 matches Choice, styrene styrene

Which of the following are advantages of recycling? Select all that apply. Multiple select question. Recycling means that at some point it will no longer be necessary to manufacture certain products. Recycling is easy and cheap for everyone to do. Recycling helps us to conserve natural resources such as petroleum, timber, and water. The amount of waste in landfills is reduced. Recycling may contribute to lower pollution of air, water, and soil during manufacture.

Recycling helps us to conserve natural resources such as petroleum, timber, and water. The amount of waste in landfills is reduced. Recycling may contribute to lower pollution of air, water, and soil during manufacture.

What is the most common monomer arrangement for PVC, PP, and PS?

Repeating head-to-tail

Which of the following options correctly describe biodegradable polymers? Select all that apply. Multiple select question. The environmental impacts of biodegradable polymers has been studied extensively. Some biodegradable polymers do not degrade in landfills due to the lack of oxygen and microorganisms. Biodegradable polymers contain monomers that create weak spots in the polymer chain. Biodegradable polymers are currently in wide use and traditional plastics are being phased out.

Some biodegradable polymers do not degrade in landfills due to the lack of oxygen and microorganisms. Biodegradable polymers contain monomers that create weak spots in the polymer chain.

Which of the following options correctly describe source reduction and its advantages? Select all that apply. Multiple select question. Source reduction involves using less material. The EPA believes that source reduction is the second most viable way of reducing solid waste. Source reduction helps to reduce pollution. Source reduction involves reusing materials.

Source reduction involves using less material. Source reduction helps to reduce pollution.

Lipids include _______. Select all that apply.

Steroids Triglycerides Fats Oils

Why are biodegradable polymers not currently widely employed? Multiple choice question. The environmental impacts of degrading biodegradable polymers are unclear. Biodegradable polymers degrade when the product is still in use. Biodegradable polymers produce chlorofluorocarbons when degraded. Biodegradable polymers are too costly to synthesize.

The environmental impacts of degrading biodegradable polymers are unclear.

Why is grass not a viable food source for humans? Multiple choice question. The human digestive system cannot break down the tough outer coating on the grass to release the starch inside. The human digestive system cannot digest the type of starch found in grass. The human digestive system is unable to break down the β-linkages that characterize cellulose. Humans lack the enzymes that will break down the α-linkages found in cellulose.

The human digestive system is unable to break down the β-linkages that characterize cellulose.

Which of the following options correctly describe saturated fatty acids? Select all that apply.

The hydrocarbon chain contains only single bonds between the carbon atoms. Saturated fatty acids possess a CO2H group at the end of the hydrocarbon chain.

Which of the following options correctly describe addition polymers? Select all that apply. Multiple select question. The monomers link together in a dehydration reaction to form an addition polymer. The monomers of addition polymers usually contain a C=C double bond. The formation of an addition polymer requires the presence of H2O. The formation of an addition polymer often involves a radical initiator.

The monomers of addition polymers usually contain a C=C double bond. The formation of an addition polymer often involves a radical initiator.

Which of the following do proteins and nylon have in common? Select all that apply.

The monomers of both polymers are linked through amide linkages. Both polymers are formed through condensation polymerization. Both polymers are copolymers.

Which of the following options correctly describe how amino acids link together to make peptides? Select all that apply.

The order of the amino acids in a peptide has important consequences for its behavior. Three amino acids may combine to produce a variety of different peptides. A dipeptide with the amino acid sequence glycine-alanine is different from an dipeptide with the sequence alanine-glycine.

Which of the following reasons do manufacturers use to justify adding sugar to many different types of processed foods? Select all that apply.

To improve the taste To improve the texture To improve the shelf life

Which type of unsaturated fats are likely to pack well together and thus have higher melting points? Multiple choice question. Trans fats Cis fats

Trans fats

Which of the following options correctly describe the properties of cis and trans fatty acids? Select all that apply.

Trans fatty acids are solids at room temperature. Trans fatty acids are similar in shape to saturated fatty acids and behave in a similar manner in the body.

True or false: Many foods that are low in fat are also high in sugar because it is used to improve the taste of the product.

True

Which of the following statements correctly describe true recycling? Select all that apply. Multiple select question. According to the EPA true recycling is the preferred option for dealing with solid waste. True recycling requires synergy by many different people and agencies. True recycling involves a closed loop where materials are collected, sorted, and converted into consumer products that are later recycled. True recycling needs to be marketed in order to have a consumer base for the products produced.

True recycling requires synergy by many different people and agencies. True recycling involves a closed loop where materials are collected, sorted, and converted into consumer products that are later recycled. True recycling needs to be marketed in order to have a consumer base for the products produced.

Which of the following options correctly describe amino acids? Select all that apply. Multiple select question. An amino acid has an amide group and an ester functional group bonded to a carbon. Twenty amino acids occur naturally. An amino acid has an amine group and a carboxylic acid functional group bonded to a carbon. Amino acids differ in the nature of the group attached to the nitrogen atom.

Twenty amino acids occur naturally. An amino acid has an amine group and a carboxylic acid functional group bonded to a carbon.

Which of the following options correctly describe condensation polymerization? Select all that apply. Multiple select question. When the monomers of a condensation polymer combine a small molecule is eliminated. The term "copolymer" is an abbreviation for condensation polymer. H2O is required for the formation of a condensation polymer. Nylon is an example of a condensation polymer.

When the monomers of a condensation polymer combine a small molecule is eliminated. Nylon is an example of a condensation polymer.

Five of the "big six" polymers undergo _____ polymerization. Multiple choice question. condensation addition ring-opening metathesis living free radical

addition

An amino acid contains a(n) _____ and a(n) _____. Multiple select question. ester amide amine carboxylic acid phenyl group

amine carboxylic acid

The waste most produced in the United States is of _____ origin. Multiple choice question. synthetic biological

biological

Polymers that are formed by a combination of functional groups such that a small molecule (e.g., water) is eliminated are known as ______ polymers. Multiple choice question. radical combination condensation addition

condensation

A polymer that is a combination of two monomers is called a(n) _____.

copolymer

The repeating head-to-tail monomer arrangement is the most common for PVC, PP, and PS. This arrangement provides more _____ regions in the polymer. Multiple choice question. random amorphous crystalline

crystalline

Polymers can possess different regions, which are characterized by the degree of order in the polymer chains. Regions of the polymer that are very ordered are called _____ regions, whereas regions of the polymer that are very disordered are called _____ regions.

crystalline; amorphous

The plasticizer DEHP is potentially dangerous to humans, because it is suspected of being a(n) _____. Select all that apply.

endocrine disruptor carcinogen

The overuse of synthetic fertilizers can cause destructive algal blooms in lakes because

fertilizer runoff increases the NO3- concentration in lakes and rivers

The compound shown here, named ______, is a component of all triglycerides.

glycerol

Ethylene is the smallest member in the family of _____ containing a carbon-carbon _____ bond.

hydrocarbons; double

Polysaccharides ________. (Select all that apply.) Multiple select question. include starch, cellulose, and glycogen are made by the condensation of thousands of monosaccharide units are some of the least common carbohydrates are composed of long chains of amino acids

include starch, cellulose, and glycogen are made by the condensation of thousands of monosaccharide units

Hydrogenation of an oil _____ its degree of saturation and _____ its melting point.

increases; raises

Minerals required for proper metabolism include ______. (Select all that apply.)

iron calcium

Insulin _______. (Select all that apply.) Multiple select question. is an enzyme that releases glucose in the blood is a hormone secreted by the pancreas controls the uptake and storage of glucose in cells promotes the use of stored glucose in cells

is a hormone secreted by the pancreas controls the uptake and storage of glucose in cells

Glycerol ______. (Select all that apply.) Multiple select question. is an alcohol combines with fatty acids to produce triglycerides contains ester groups is used in manufacturing soaps and lotions combines with amines to produce peptides

is an alcohol combines with fatty acids to produce triglycerides is used in manufacturing soaps and lotions

Which of the following foods are rich sources of linoleic and linolenic acids? Select all that apply.

leafy vegetables fish plant oils

The coefficient "n" preceding a reactant in a polymerization reaction (see illustration) represents the number of ------ of monomer that react. See equation for a representation of a general polymerization reaction.

molecules, units, or particles

At least two or more different _____ are required to form a copolymer.

monomers

The small repeating units used to synthesize polymers are called .

monomers

Waste such as leftover lasagna, old toaster ovens, and grass clippings are considered to be _____ solid waste.

municipal

Fertilizers typically provide a source of ________. (Select all that apply.)

nitrogen phosphorous carbon

The bond between one amino acid and another (shown) is called a(n) _____ bond. This type of bond is an example of the _____ functional group. Multiple choice question. aminide; amide peptide; ester peptide; amide aminide; ester

peptide; amide

A compound that is added in small amounts to make a polymer more soft and pliable is called a(n) _____.

plasticizer

The backbone of both proteins and nylon are linked by the same functional group making them both _____.

polyamides

A ___________-____________ product is fabricated from different percentages and types of recycled materials.

recycled-content

Covalent bonds, which govern chemical changes in molecular substances, consist of shared electron pairs. These bonds are ______ than intermolecular forces, which govern the physical changes of molecular substances.

stronger