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Test your basic knowledge |
CLEP Biology: Basic Chemistry
Start Test
Study First
Subjects
:
clep
,
science
,
biology
Instructions:
Answer 40 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. Made of nucleotides; sugar - phosphate - base; adenine - thyOOmine; guani`ne - cytosine
RNA
Glycogen
Structure of DNA
Solvent
2. The ability to do work
Energy is
Second law of thermodynamics
Fatty acids
Entropy
3. Polysaccharide; animal starch (animals and humans eat starches abd break them down to monosaccharides; the liver converts them to glycogen for storage)
Suspension
Second law of thermodynamics
Glycogen
Fatty acids
4. Organic compounds that contain carbon - hydrogen and oxygen; provide structure and store energy
Atom
Colloid
Endothermic reaction
Carbohydrates
5. Is a polysaccharide; stored by plants; a major energy source for humans; humans can't make it
Starch
Atom
Solution
Proteins
6. Dissolver (water: universal solvent)
Solvent
Solute
Osmosis is
Monosaccharides
7. The living content in a cell
Carbon - hydrogen - oxygen - nitrogen - calcium
Solution
Polysaccharides
Protoplasm
8. Whenever energy is used - some of the energy is wasted
Disaccharides
Endothermic reaction
Second law of thermodynamics
Entropy
9. Elements essential to life
Carbon - hydrogen - oxygen - nitrogen - calcium
Chitin
Disaccharides
Cellulose
10. Made of amino acids; polypeptide chain of amino acids; make up the majority of an organism's cells; used as enzymes or as building blocks
Energy is
Cellulose
Proteins
Catalysts
11. Another nucleic acid; single strand; sometime replaces thymine
Enzymatic
Protoplasm
Elements
RNA
12. Group of organic substances slightly soluble in water; very soluble in other organic liquids; mostly structural but also store energy; humans and animals store their excess energy as lipids
Atom
Elements
Solution
Lipids are
13. Process of making two DNA molecules from one strand
Exothermic reaction
Cellulose
Energy is
DNA replication
14. Particles are mixed but not dissolved
Biosynthesis is
Protoplasm
Solution
Suspension
15. The increase in randomness and loss of usable energy
Solution
Entropy
Protoplasm
Second law of thermodynamics
16. Homogenous(alike) mixture of one or more substances in another substance
Carbohydrates
Entropy
Endothermic reaction
Solution
17. Gives off heat; exo - outside
Nonreversible colloid
Carbon
Polysaccharides
Exothermic reaction
18. Proteins only one that are...
Hydrolosys in disaccharides
First law of thermodynam ics
Enzymatic
Lipids are
19. The putting together of living things
Kinetic energy
Glycogen
Biosynthesis is
Catalysts
20. Most abundant form of lipids; building blocks for other lipids; have hydrophilic and hydrophobic ends; in water - will align themselves; good source of energy; found in dairy and animal tissues
Potential energy
Fatty acids
Nonreversible colloid
Cellulose
21. When a cell needs a monosaccharide - enzymes cause disaccharides to undergo hydrolysis - which means the breaking down of a disaccharide by adding a water molecule
Hydrolosys in disaccharides
DNA replication
Second law of thermodynamics
Enzymatic
22. Many sugars; complex carbs
First law of thermodynam ics
Atom
DNA replication
Polysaccharides
23. Energy in motion
Kinetic energy
Lipids are
Polysaccharides
Potential energy
24. Stored energy
Starch
Solution
Fatty acids
Potential energy
25. Matter is composed of ______
Lipids are
Carbon
Carbohydrates
Elements
26. In any process - energy is neither created nor destroyed
Glycogen
First law of thermodynam ics
Solution
Catalysts
27. Single sugars; glucose(C6H12O6) is a monosaccharide that is manufactured by plants in photosynthesis
Proteins
Enzymatic
Monosaccharides
Suspension
28. What is chief ingredient in living things?
Potential energy
Carbon
Colloid
Protoplasm
29. Double sugars; maltose - sucrose - lactose; formed when monosaccharides undergo dehydration synthesis - when a suger looses hydrozyl group (OH) and another gives hydrogen - resulting in a water molecule and a ...
Disaccharides
Colloid
Glycogen
Exothermic reaction
30. Can change between gel and sol phases (ex. protoplasm)
Reversible colloid
Potential energy
Colloid
Carbohydrates
31. The diffusion of water(!!) through a semipermiable membrane; equilibrium is never reached.
Solute
Catalysts
Osmosis is
Structure of DNA
32. Cannot change between gel and sol (ex. egg whites)
Carbon - hydrogen - oxygen - nitrogen - calcium
Structure of DNA
Nonreversible colloid
Monosaccharides
33. Dissolved
Glycogen
Polysaccharides
Monosaccharides
Solute
34. Composed of long chains of glucose; is a polysaccharide; found in plant cell walls; nondigestible by most animals; part of our diet called bulk or rubbage(fiber)
Disaccharides
Cellulose
Starch
Protoplasm
35. Affect the rate of the reaction but are not changed in the reaction
Energy is
Catalysts
Protoplasm
Elements
36. Mixture of fine particles that do not settle out quickly (ex. protoplasm)
Energy is
Colloid
Hydrolosys in disaccharides
Entropy
37. Polysaccharide; strong and flexible; makes up shells of crabs - lobsters - shrimp - insects; found in cell walls of fungi
Second law of thermodynamics
Proteins
Exothermic reaction
Chitin
38. Found in nucleus of cell; contain info necessary for the manufacture of an organism's proteins; nucleic acid form genes; watson and crick discovered
Structure of DNA
DNA
Carbon
Polysaccharides
39. Absorbs heat; endo - within
Endothermic reaction
Cellulose
Carbon
Osmosis is
40. Smallest unit of an element
Proteins
Atom
Hydrolosys in disaccharides
Endothermic reaction
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