The facet present in all organic molecule is A) hydrogen. B) oxygen. C) carbon. D) nitrogen. E) phosphorus.

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The intricacy and selection of organic molecule is due to A) the chemical flexibility of carbon atoms. B) the variety of rare facets in essential molecules. C) the reality that they can be synthesized just in living organisms. D) their interaction with water. E) your tremendously huge sizes.

The experimental strategy taken in current organic investigations presumes the A) basic organic compounds deserve to be synthesized in the activities from inorganic precursors, but facility organic compounds favor carbohydrates and proteins have the right to only it is in synthesized by living organisms. B) a life force ultimately controls the tasks of life organisms and this life force cannot be learned by physics or chemistry methods. C) although a life force, or vitalism, exist in living organisms, this life pressure cannot be learned by physical or chemistry methods. D) life organisms are composed the the same elements present in nonliving things, plus a few special trace elements found just in life organisms or their products. E) living organisms can be taken in terms of the exact same physical and also chemical legislations that deserve to be offered to describe all organic phenomena.

Differences amongst organisms are brought about by A) big differences in elemental composition from organism to organism. B) differences in the varieties and relative amounts of organic molecules synthesized by every organism. C) differences in the facets that bond v carbon in each organism. D) differences in the sizes of the organic molecule in every organism. E) differences in not natural compounds current in each organism.

Which that the following human being was the an initial to synthesize an essential compound, urea, native inorganic beginning materials? A) Stanley miller B) Jakob Berzelius C) Friedrich Wohler D) Hermann Kolbe E) august Kekulé

Stanley Miller"s 1953 experiments confirmed that A) life arose on earth from an easy inorganic molecules. B) organic molecules can be synthesized abiotically under problems that may have existed on at an early stage Earth. C) life developed on planet from an easy organic molecules, with energy from lightning and volcanoes. D) the conditions on early Earth to be conducive come the beginning of life.E) the problems on early on Earth were conducive to the abiotic synthesis of essential molecules.

Hermann Kolbe"s synthetic of an necessary compound, acetic acid, from inorganic substances that had actually been prepared directly from pure aspects was a far-reaching milestone because that what reason? A) It resolved an commercial shortage of acetic acid. B) It showed that organic compounds might be synthesized from inorganic compounds. C) that disproved the ide of vitalism. D) It verified that life source from straightforward inorganic chemicals. E) It proved that necessary compounds might be synthesized from not natural compounds and also disproved the ide of vitalism.

Stanley Miller"s 1953 experiments assumed that early on Earth"s atmosphere included A) hydrogen cyanide, formaldehyde, hydrogen gas, and also water vapor. B) ammonia, methane, hydrogen gas, and water vapor. C) ammonia, methane, oxygen gas, and water vapor. D) amino acids, methane, hydrogen cyanide, and also water vapor. E) methane, formaldehyde, ammonia, and also carbon dioxide.

When Stanley Miller applied heat and electrical sparks to a mixture of an easy inorganic compound such as methane, hydrogen gas, ammonia, and also water vapor, what compounds were produced? A) mostly amino acids B) only simple organic compound such together formaldehyde and cyanide C) largely hydrocarbons D) only basic inorganic compounds E) both an easy organic compounds and also more complex organic compounds such as amino acids and hydrocarbons

How numerous electron bag does carbon re-publishing in order to finish its valence shell? A) 1 B) 2 C) 3 D) 4 E) 8

A carbon atom is most likely to kind what type of bond(s) with various other atoms? A) ionic B) hydrogen C) covalent D) covalent bonds and also hydrogen binding E) ionic bonds, covalent bonds, and hydrogen bonds

Which the the following statements ideal describes the carbon atoms current in a seed-eating bird? A) they were included into organic molecule by plants. B) They to be processed right into sugars with photosynthesis. C) They are ultimately acquired from carbon dioxide. D) lock were incorporated into organic molecule by plants, and also they space ultimately obtained from carbon dioxide. E) they were included into organic molecule by plants, they were processed into sugars with photosynthesis, and also they are ultimately derived from carbon dioxide.

Which that the complying with statements finest describes the carbon atoms present in a seed-eating bird? A) not natural carbon atom in the seed were included into organic molecule by the bird. B) The carbon atoms eventually came indigenous the soil. C) The carbon atoms are ultimately acquired from coal. D) The carbon atoms ultimately came from carbon dioxide incorporated into sugars through photosynthesis. E) The carbon atoms at some point came from an easy organic link that formed abiotically from not natural carbon, hydrogen, oxygen, and nitrogen atoms.

Why are hydrocarbons insoluble in water? A) The bulk of your bonds are polar covalent carbon-to-hydrogen linkages. B) The bulk of your bonds room nonpolar covalent carbon-to-hydrogen linkages. C) They space hydrophilic. D) they exhibit significant molecular complexity and also diversity. E) They space lighter than water.

How many structural isomers are feasible for a substance having the molecular formula C₄H₁₀? A) 1 B) 2 C) 4 D) 3 E) 11

Which the the complying with statements correctly defines cis-trans isomers? A) They have actually variations in arrangement roughly a double bond. B) They have actually an asymmetric carbon that provides them mirror images. C) They have the very same chemical properties. D) they have various molecular formulas. E) your atoms and bonds space arranged in various sequences.

Research suggests that ibuprofen, a drug offered to relax inflammation and also pain, is a mixture of two enantiomers; that is, molecules that A) have identical chemical formulas however differ in the branching of their carbon skeletons. B) room mirror photos of one another. C) exist in either straight chain or ring forms. D) different in the ar of their double bonds. E) differ in the arrangement of atoms roughly their twin bonds.

What determines whether a carbon atom"s covalent bond to other atoms space in a tetrahedral construction or a planar configuration? A) the visibility or absence of bonds through oxygen atoms B) the existence or absence of dual bonds in between the carbon atom and other atoms C) the polarity that the covalent bonds between carbon and other atom D) the visibility or lack of bonds through nitrogen atoms E) the solvent the the organic molecule is dissolved in

Compared come a hydrocarbon chain whereby all the carbon atom are connected by solitary bonds, a hydrocarbon chain v the same number of carbon atoms, yet with one or more dual bonds, will A) be an ext flexible in structure. B) be more constrained in structure. C) be more polar. D) have more hydrogen atoms. E) have actually fewer structurally distinct isomers.

Organic molecule with just hydrogens and five carbon atoms have the right to have different structures in every one of the following ways other than A) by branching of the carbon skeleton. B) by differing the number of dual bonds in between carbon atoms. C) by varying the position of double bonds between carbon atoms. D) by forming a ring. E) by creating enantiomers.

A compound has hydroxyl teams as that predominant functional group. Which of the adhering to statements is true concerning this compound? A) it lacks one asymmetric carbon, and also it is most likely a fat or lipid. B) It must dissolve in water. C) It have to dissolve in a nonpolar solvent. D) that won"t kind hydrogen bonds v water. E) it is hydrophobic.

Which of the complying with is a false statement concerning amino groups? A) they are basic in pH. B) castle are found in amino acids. C) they contain nitrogen. D) They space nonpolar. E) lock are contents of urea.

Which two functional groups are constantly found in amino acids? A) ketone and also methyl B) carbonyl and also amino C) carboxyl and also amino D) amino and also sulfhydryl E) hydroxyl and also carboxyl

Amino acids room acids due to the fact that they always possess which functional group? A) amino B) carbonyl C) carboxyl D) phosphate E) hydroxyl

A carbon skeleton is covalently bonded to both an amino group and also a carboxyl group. When placed in water that A) would duty only as an acid since of the carboxyl group. B) would duty only together a base due to the fact that of the amino group. C) would function as no an mountain nor a base. D) would duty as both one acid and a base. E) is impossible to determine how it would certainly function.

Which functional teams can act together acids? A) amino and sulfhydryl B) carbonyl and also carboxyl C) carboxyl and also phosphate D) hydroxyl and also aldehyde E) ketone and amino

Testosterone and also estradiol space A) dissolve in water. B) structure isomers of every other. C) proteins. D) lipids. E) enantiomers of every other.

Testosterone and estradiol are male and female sex hormones, respectively, in countless vertebrates. In what way(s) carry out these molecules different from each other? A) Testosterone and also estradiol are structural isomers but have the exact same molecular formula. B) Testosterone and also estradiol space cis-trans isomers but have the very same molecular formula. C) Testosterone and estradiol have different functional groups attached to the very same carbon skeleton. D) Testosterone and also estradiol have actually distinctly various chemical structures, v one including four fused ring of carbon atoms, while the other has actually three rings. E) Testosterone and estradiol room enantiomers the the same organic molecule.


Which of the following world used this device to examine the formation of organic compounds? A) Stanley fearbut B) Jakob Berzelius C) Friedrich Wohler D) Hermann Kolbe E) respectable Kekulé


The two molecules shown in the figure over are best described together A) optical isomers. B) enantiomers. C) structural isomers. D) cis-trans isomers. E) chain length isomers.

The figure above shows the structures of glucose and fructose. These 2 molecules different in the A) variety of carbon, hydrogen, and oxygen atoms. B) species of carbon, hydrogen, and also oxygen atoms. C) plan of carbon, hydrogen, and oxygen atoms. D) number of oxygen atoms joined to carbon atoms by double covalent bonds. E) variety of carbon, hydrogen, and also oxygen atoms; the types of carbon, hydrogen, and also oxygen atoms; and also the plan of carbon, hydrogen, and also oxygen atoms.

The figure over shows the structures of glucose and also fructose. These two molecules are A) geometric isotopes. B) enantiomers. C) cis-trans isomers. D) structure isomers. E) nonisotopic isomers.


The 2 molecules displayed in the figure above are finest described together A) enantiomers. B) radioactive isotopes. C) structural isomers. D) nonisotopic isomers. E) cis-trans isomers.

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Three or 4 of the complying with illustrations depict different structural isomers the the necessary compound through molecular formula C₆H₁₄. Because that clarity, just the carbon skeletons room shown; hydrogen atoms that would certainly be attached come the carbons have been omitted. Which one, if any, is not a structure isomer that this compound?

Which that the pairs of molecular frameworks shown below depict enantiomers (enantiomeric forms) the the exact same molecule?

Which of the pairs of molecular frameworks shown below do no depict enantiomers (enantiomeric forms) that the very same molecule?

Which pair of molecule shown below are no enantiomers the a solitary molecule?


Thalidomide and also L-dopa, presented below, are examples of pharmaceutical medicine that take place as enantiomers, or molecules that A) have actually identical three-dimensional shapes. B) are mirror pictures of one another. C) room structural isomers. D) space mirror pictures of one another and also have the same organic activity. E) are cis-trans isomers.


What is the name of the functional group displayed in the number above? A) carbonyl B) ketone C) aldehyde D) carboxyl E) hydroxyl

Which that the structures illustrated above is an difficult covalently bonded molecule? A) A B) B C) C D) D E) E

Which that the structures illustrated over contain(s) a carbonyl practical group? A) A B) C and D C) C D) D E) C and E

In i m sorry of the frameworks illustrated over are the atom bonded by ionic bonds? A) A B) B C) C D) C, D, and E only E) nobody of the structures

Which the the structures illustrated above cannot kind hydrogen bonds through water molecules? A) A B) B C) C D) D E) E