SUBJECTS
|
BROWSE
|
CAREER CENTER
|
POPULAR
|
JOIN
|
LOGIN
Business Skills
|
Soft Skills
|
Basic Literacy
|
Certifications
About
|
Help
|
Privacy
|
Terms
|
Email
Search
Test your basic knowledge |
CLEP Biology: Chemistry Of Biology
Start Test
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. Sugar molecule in RNA
Electron cloud
ribose
Protons
RNA
2. A charged atom. More protons that electrons makes a positive ion and more electrons than protons makes a negative ion.
Properties of matter
ion
Starches
Catalyst
3. The force of attraction between water molecules that hold them together . A weak chemical bond.
Water
-ase (Ending of compound)
Hydrogen bond
Neutron
4. Compounds that contain carbon.
phospholipids
Organic compounds
ion
peptide bonds
5. When four or more monosaccharide's combine.
monosaccharide
polysaccharide
RNA
ribose
6. Results of the structure of atoms and their interactions with each other.
Properties of matter
Element
Endothermic reaction
First law of thermodynamics
7. In a chemical reaction when a compound breaks down into components
Exothermic reaction
Valence shell
Decomposition (Chemical reaction)
Protons
8. When two or more atoms form a unique substance via a chemical bond. Water is an example.
polysaccharide
compound
polymers
molecule
9. The building blocks of all matter.
Water
Atoms
Decomposition (Chemical reaction)
Nucleus
10. A compund that is able to dissolve many types of organic and inorganic compunds
Nucleus
polymers
Water
deoxyribose
11. Molecules that have regions of a partial charge. Water molecules have a positive hydrogen charge.
Neutralize each other when combined in water.
polar molecules
Chemical reaction
Watson Crick model
12. Ribonucleic acid. Generally a single strand
Combination (Chemical reaction)
RNA
Uncharged atom
Organic compounds
13. A chemical that donates protons when dissolved in water. Below 7 on the pH scale
acid
Cellulose
Reactants
A Covalent bond
14. A chemical bond between atoms when they share electrons between their valence shells. These are the strongest chemical bonds.
Covalent bond
Replacement
Neutralize each other when combined in water.
Sugar
15. A single amino acid
base
Properties of matter
monomer
Products (Chemical Reaction)
16. A reaction that requires energy
Starches
polysaccharide
Endothermic reaction
Electron cloud
17. When threee monosaccharide's combine.
trisaccharide
Atoms
Water
Carbohydrates
18. What is the strongest chemical bond?
A Covalent bond
Uncharged atom
First law of thermodynamics
Fats
19. This is a catlyst. All catalysts end with this.
Second law of thermodynamic
-ase (Ending of compound)
Atoms
phospholipids
20. The bond that holds monmers together to form polymers.
monosaccharide
compound
DNA
peptide bonds
21. A type of carbohydrate
Starch
Sugar
Neutron
Starches
22. A polysaccharide. Plant's store starches in their cell's for future energy. Also used for structure in a plant's cell. The most common is cellulose
lipids
Starches
peptide bonds
Fats
23. Long term energy storage.
Valence shell
Chemical reaction
-ase (Ending of compound)
Fats
24. That matter and energy is neither created nor destroyed.
deoxyribose
First law of thermodynamics
DNA
Exothermic reaction
25. Contain hydrogen - oxygen - nitrogen - sulfur - phosporus - and some metal ions.
Nucleic Acids
trisaccharide
RNA
Organic molecules
26. An atom that has the same number of protons and electrons.
Organic compounds
monomer
Reactants
Uncharged atom
27. Provide a moisture barrier.
waxes.
Nucleus
phospholipids
lipids
28. A reaction that produces energy
monosaccharide
Energy level
Decomposition (Chemical reaction)
Exothermic reaction
29. All reaction spread energy which tend to diminish it's availability.
Reactants
phospholipids
Element
Second law of thermodynamic
30. A polysaccharide made of joined glucose units. Used by many animals for short term energy. Found in muscle and liver tissue.
Valence shell
Glycogen.
Neutron
Amino Acids
31. In every living cell. Large chains of amino acids.
proteins
ionic bond
First law of thermodynamics
polysaccharide
32. The result of a chemical reaction.
compound
Products (Chemical Reaction)
Reactants
Neutralize each other when combined in water.
33. Positive charged particles in the nucleus of an atom.
Hydrogen bond
Uncharged atom
Nucleic Acids
Protons
34. Sugare molecule in DNA
Neutron
nucleotides
Combination (Chemical reaction)
deoxyribose
35. Most common starch in a plant cell. It is a long chain of water insoluable polysaccharides
Second law of thermodynamic
Watson Crick model
Cellulose
First law of thermodynamics
36. A type of carbohydrate
Starches
Starch
lipids
Enzymes
37. Six carbon sugars. The most commone monosaccharide. They are usually ring shaped.
Amino Acids
Combination (Chemical reaction)
proteins
hexo monosaccharide
38. Form components of cel membranes.
Starches
Reactants
Electrons
phospholipids
39. The amount of energy in a electron cloud. The weakest level is the shell closest to the nucleus. As the shell gets stronger more electrons may fill it. Electron fill the shell closest to the nucleus.
Carbohydrates
compound
lipids
Energy level
40. Negative charged particles of an atom. They orbit the nucleus. They have much less mass than protons and neutrons.
Covalent bond
Catalyst
polypeptide
Electrons
41. The last shell of the electron cloud. Atoms are more stable when this shell is full.
Valence shell
Watson Crick model
Products (Chemical Reaction)
Water
42. DNA and RNA. These are polymers (proteins)
hexo monosaccharide
Nucleic Acids
Electrons
Electron cloud
43. Contain Carbon - Hydrogen - Oxygen - Nitrogen - and sometimes sulfur and phospoirus. 20 common amino acids that make thousands of different proteins.
Amino Acids
Replacement
Sugar
A Covalent bond
44. Acids and bases. When combined in water they produce water and a salt (ionic compound)
base
acid
ionic bond
Neutralize each other when combined in water.
45. Neutral charged particles in the nucleus of an atom.
Neutron
Second law of thermodynamic
Endothermic reaction
Water
46. The basic sugar unit.
RNA
Catalyst
monosaccharide
Second law of thermodynamic
47. A chemical that accepts protons when dissolved in water. Above 7 on the pH scale.
base
ionic bond
Nucleic Acids
deoxyribose
48. The double helix model of DNA.
trisaccharide
polysaccharide
Replacement
Watson Crick model
49. Made of Carbon - hydrogen - and oxygen. The Ratio of H and O is always 2:1. Just like water.
Atoms
Reactants
Carbohydrates
Electrons
50. Also referred to as the electron shell and orbital. It is the 3 dimensional space that electron orbit the nucleus.
Combination (Chemical reaction)
Electron cloud
monosaccharide
Neutralize each other when combined in water.