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Test your basic knowledge |
CLEP Biology: Organic Chemistry
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Study First
Subjects
:
clep
,
science
,
biology
Instructions:
Answer 50 questions in 15 minutes.
If you are not ready to take this test, you can
study here
.
Match each statement with the correct term.
Don't refresh. All questions and answers are randomly picked and ordered every time you load a test.
This is a study tool. The 3 wrong answers for each question are randomly chosen from answers to other questions. So, you might find at times the answers obvious, but you will see it re-enforces your understanding as you take the test each time.
1. Group of Macromolecules that Includes Triglycerides and Phospholipids.
Fats
Hypothesis
Causation
Neutron
2. Used by organisms to produce energy - Most common form is glucose. Also includes Fructose and - less commonly - Ribose - and Deoxyribose.
Ion
Electron
Monosaccharides
Fats
3. A substance composed of two or more elements combined in fixed proportions.
Ion
Compound
Electronegativity
Energy - Support - and Transport
4. A process in which a substance or substances are converted into one or more new substances with different propertied and composition.
Element
Polymers
Chemical reaction
Less Than
5. The six elements that make up 99% of the matter in living systems.
Biology
Polymers
Amino Acids
Hydrogen - Oxygen - Carbon - Nitrogen - Calcium - Phosphorus
6. A compound containing a nitrogenous base covalently bonded to a pentose sugar and a phosphate group. Classified by the pentose sugar they contain - Ribose or Deoxyribose.
Hydrogen Bond
Nucleotides
Proteins
Energy - Support - and Transport
7. A positively charged subatomic particle located in the nucleus.
Molecule
Proton
Electron
Monosaccharides
8. The main oxygen transport protein in muscle. Made of a single chain.
Tissue
Chemical Bond
Myoglobin
Monosaccharides
9. The tendency of an atom in a bond to attract shared bonding electrons.
Hemoglobin
Biology
Polarity
Electronegativity
10. A liquid which dissolves another substance without any change in its chemical composition.
Chemical reaction
Functional Group
Electronegativity
Solvent
11. All organisms in an area together with the physical environment which they inhabit.
Ecosystem
Evolution
Less Than
Nucleus
12. The main oxygen transport protein in blood. Made of two alpha chains and two beta chains.
Hemoglobin
Fats
Covalent Bond
Polysaccharides
13. Occurs when there is?
Chemical reaction
Molecular Polarity
Functional Group
Electron
14. Biological compounds containing and amino group and a carboxylic acid group.with one of 20 side chains.
Bond Polarity
Amino Acids
Nucleoside
Hydrogen Bond
15. Organ systems are made of organs which are made of _____________ which are made of cells.
Chemical Bond
Neutron
Bond Polarity
Tissue
16. A negatively charged subatomic particle located outside the nucleus.
Functional Group
Electronegativity
Electron
Energy - Support - and Transport
17. A bond whose electrons are shared between atoms.
Covalent Bond
Atom
Proton
Monosaccharides
18. A compound that contains carbon.
Surface Tension
Nucleotides
Condensation Reaction
Organic Compound
19. A specific combination of bonded atoms that reacts in a characteristic and predictable way. Examples are Ethers and Alchohols which are represented by a generic molecule. Includes Alchohol - Ether - Aldehyde - Ketone - Carboxylic Acid - and Ester. -
Proton
Electronegativity
Isomers
Functional Group
20. Very large molecules with molecular masses as high as several million atomic mass units. Polymers of small similar molecules. Includes Polysaccharides - fats - and proteins.
Tissue
Macromolecules
Biological Community
Nucleus
21. A charged species that results from the gain or loss of electrons from a neutral atom or molecule.
Nucleotides
Ion
Hypothesis
Electron
22. The attractive force between similar molecules in the same phase.
Polysaccharides
Cohesion
Neutron
Nucleoside
23. A statistical comparison of two variables. Does not necessarily mean that one causes the other.
Neutron
Molecular Polarity
Ionic Bond
Correlation
24. The attractive force between molecules in one phase and different molecules in another phase.
Adhesion
Biological Community
Hydrogen Bond
Causation
25. The fundamental unit of chemical matter.
Atom
Fats
Proteins
Myoglobin
26. The act or process of causing something to happen -
Energy - Support - and Transport
Polymers
Monosaccharides
Causation
27. A weak to moderate attractive force between a hydrogen atom bonded to oxygen - nitrogen - or fluorine - and an oxygen - nitrogen or fluorine atom on another molecule. Usually represented by dotted lines.
Fats
Biological Community
Hydrogen Bond
Ecosystem
28. A collection of organisms whose members interact with each other within an ecosystem.
Specific Heat
Biological Community
Polysaccharides
Fats
29. Where two molecules are joined by the elimination of a smaller molecule.
Condensation Reaction
Amino Acids
Biology
Fats
30. An expression indicating the number of each type of atom in one molecule of a substance.
Nucleus
Ion
Molecular formula
Isomers
31. Atoms of the same element with different number of neutrons in the nuclei.
Electron
Isotopes
Polysaccharides
Electronegativity
32. A form of matter tha cannot be decomposed into simpler substance by ordinary chemical methods.
Element
Solvent
Organic Compound
Surface Tension
33. A group of at least two covalently bonded atoms
Specific Heat
Polarity
Molecule
Molecular Polarity
34. A compound containing a nitrogenous base covalently bonded to a pentose sugar
Energy - Support - and Transport
Organic Compound
Tissue
Nucleoside
35. State problem - refine the problem - propose hypothesis - make observations -
Scientific Method
Molecular formula
Biological Community
Specific Heat
36. Macromolecules made from polypeptides. Two type are globular and fibrose.
Functional Group
Electron
Proteins
Less Than
37. The energy needed to increase the surface area of a liquid by a given amount.
Ionic Bond
Molecular Polarity
Surface Tension
Macromolecules
38. Basic biological molecules join to form larger biological __________.
Hemoglobin
Polymers
Amino Acids
Electron
39. The main oxygen carrying protein in blood. Globular.
Hemoglobin
Solvent
Evolution
Hydrogen - Oxygen - Carbon - Nitrogen - Calcium - Phosphorus
40. A condition or state in which a substance has an uneven distribution of electron density. Enables compounds to dissolve and enables hydrogen bonding.
Scientific Method
Polarity
Chemical reaction
Electronegativity
41. Have ths same molecular formul;a but different chemical and physical properties. The atoms are bonded in a different order. Some hydrocarbons are an example of Isomers.
Hemoglobin
Specific Heat
Correlation
Isomers
42. An atom's center of mass and center of positive charge.
Surface Tension
Nucleus
Functional Group
Molecule
43. An attractive forve between tow or more atoms or ions that holds them together.
Chemical Bond
Isomers
Molecule
Neutron
44. The amount of heat needed to raise the temperature of a 1 gram sample of a substance by 1 degree Celsius.
Specific Heat
Evolution
Biological Community
Cohesion
45. One of the most abundant carbohydrates providing either energy storage or structural support. Polymers of 10 or more simple sugars - composed of thousands of monomers and up to 100M molecular mass.. Includes Cellulose in plants and Chitin animals wit
Electronegativity
Tissue
Proton
Polysaccharides
46. An uncharged subatomic particle located in the nucleus.
Electron
Energy - Support - and Transport
Neutron
Chemical Bond
47. A chemical bond formed by the attraction between positive and negative ions.
Polarity
Ionic Bond
Nucleoside
Chemical Bond
48. Tentative - untested explanation of a scientific issue.
Ionic Bond
Hypothesis
Myoglobin
Fats
49. Three roles of Macromolecules.
Energy - Support - and Transport
Molecular formula
Hypothesis
Proteins
50. Occurs when one atom in a bond is more electronegative than the other.
Polymers
Chemical Bond
Causation
Bond Polarity