اختبار بيو 1
Organic Chemistry Knowledge Test
Test your understanding of organic chemistry with this comprehensive quiz! This quiz covers essential concepts including fun
Get ready to challenge yourself! Topics include:
- Fun
ctional Groups - Isomerism
- Amino Acids
- Hydrocarbons
- Biochemical Properties
Organic chemistry is a science based on the study of
Functional groups.
Vital forces interacting with matter.
Carbon compounds.
Water and its interaction with other kinds of molecules.
Inorganic compounds.
Why are hydrocarbons insoluble in water
The majority of their bonds are polar covalent carbon-to-hydrogen linkages.
The majority of their bonds are nonpolar covalent carbon-to-hydrogen linkages.
They exhibit considerable molecular complexity and diversity.
They are lighter than water.
They are hydrophilic.
How many structural isomers are possible for a substance having the molecular formula C4H10?
1
2
3
4
11
The two molecules shown are best described as
Optical isomers.
Radioactive isotopes.
Structural isomers.
Nonradioactive isotopes.
Geometric isomers.
Shown here are the structures of glucose and fructose. These two molecules are
Geometric isotopes.
Enantiomers
Geometric isomers.
Structural isomers.
Nonisotopic isomers.
Which of the following statements correctly describes geometric isomers?
They have variations in arrangement around a double bond.
They have an asymmetric carbon that makes them mirror images
They have the same chemical properties.
They have different molecular formulas.
Their atoms and bonds are arranged in different sequences.
Research indicates that Ibuprofen, a drug used to relieve inflammation and pain, is a mixture of two enantiomers; that is, molecules that
Have identical three-dimensional shapes
Are mirror images of one another.
Lack an asymmetric carbon
Differ in the location of their double bonds
Differ in their electrical charge
A compound contains hydroxyl groups as its predominant functional group. Which of the following statements is true concerning this compound?
It lacks an asymmetric carbon, and it is probably a fat or lipid
It should dissolve in water.
It should dissolve in a nonpolar solvent.
It won't form hydrogen bonds with water.
It is hydrophobic.
Which is the best description of a carbonyl group?
An oxygen joined to a carbon by a single covalent bond
A nitrogen and two hydrogens joined to a carbon by covalent bonds
A carbon joined to two hydrogens by single covalent bonds
A carbon atom joined to an oxygen by a double covalent bond
A sulfur and a hydrogen joined to a carbon by covalent bonds
What is the name of the functional group shown
Ketone
Aldehyde
Carboxyl
Hydroxyl
Carbonyl
Which of the following contains nitrogen in addition to carbon, oxygen, and hydrogen
An alcohol such as ethanol
A monosaccharide such as glucose
A steroid such as testosterone
An amino acid such as glycine
A hydrocarbon such as benzene
Which two functional groups are always found in amino acids
Ketone and aldehyde
Carbonyl and carboxyl
Carboxyl and amino
Phosphate and sulfhydryl
Hydroxyl and aldehyde
Testosterone and estradiol are
Nucleic acids.
Carbohydrates.
Proteins.
Phospholipids.
Steroids.
The molecule showed above is
Polypeptide
Ploysaccharide
Saturated fatty acid
Unsaturated fatty acid
Positively charged amino acids are those that contain
A carboxyl group
An amino acid in the side chain
An amino group
A carboxyl group in the side chain
Which of these function groups does not contain oxygen
Carbonyl
Hydroxyl
Sulfhydryl
Phosphate
An oil molecule is made up of which kind of subunit molecules
Glucose or modified glucose molecules
Fatty acids and glycerol
Amino acids
Nucleotides
What is the three -dimensional shape formed when a carbon atom is Covalently bonded with four other atoms
A flat sheet with the carbon in the center
A triangle with the carbon in the center
A cube with a carbon in the center
A tetrahedral with carbon in the center
The deference between the sugar in DNA and the sugar in RNA that the sugar in DNA contains less oxygen
True
False
Enantiomers usually have the same biochemical effect
True
False
What is the reason that hydrocarbons are not soluable in water
They are large molecules
The C-H bond is non polar
The C-H bond is polar
They are lighter then water
All of the following molecules are proteins except
Hemoglobin
Collagen
Insulin
Glycogan
Which function group makes alcohols
Carboxyl
Sulfhydryl
Hydroxyl
Amino
Negatively charged amino acids are those that contain a carboxyl group in their side chain
True
False
Which of the following in not a protein
Hemoglobin
Insulin
An enzyme
Cholesterol
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