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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. Stored energy
Potential energy
Kinetic energy
Polysaccharides
Monosaccharides
2. The putting together of living things
Starch
Lipids are
Cellulose
Biosynthesis is
3. Dissolver (water: universal solvent)
Hydrolosys in disaccharides
Solvent
Starch
Elements
4. Energy in motion
Solution
Kinetic energy
Protoplasm
Monosaccharides
5. The ability to do work
Energy is
Starch
DNA
Polysaccharides
6. Elements essential to life
Solvent
Carbon - hydrogen - oxygen - nitrogen - calcium
Second law of thermodynamics
Potential energy
7. Many sugars; complex carbs
Polysaccharides
Nonreversible colloid
Endothermic reaction
Enzymatic
8. Polysaccharide; strong and flexible; makes up shells of crabs - lobsters - shrimp - insects; found in cell walls of fungi
Reversible colloid
Proteins
Chitin
Protoplasm
9. 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)
Cellulose
Polysaccharides
Energy is
Fatty acids
10. The living content in a cell
Osmosis is
Protoplasm
Colloid
Fatty acids
11. 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
Glycogen
Nonreversible colloid
Hydrolosys in disaccharides
Endothermic reaction
12. Found in nucleus of cell; contain info necessary for the manufacture of an organism's proteins; nucleic acid form genes; watson and crick discovered
Carbohydrates
DNA
Second law of thermodynamics
Energy is
13. 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
Colloid
DNA
Biosynthesis is
Proteins
14. Absorbs heat; endo - within
Endothermic reaction
Suspension
Solution
Polysaccharides
15. Single sugars; glucose(C6H12O6) is a monosaccharide that is manufactured by plants in photosynthesis
Glycogen
Monosaccharides
Solute
Entropy
16. Homogenous(alike) mixture of one or more substances in another substance
Biosynthesis is
Elements
Solution
Starch
17. Can change between gel and sol phases (ex. protoplasm)
Catalysts
Reversible colloid
Polysaccharides
Solvent
18. The diffusion of water(!!) through a semipermiable membrane; equilibrium is never reached.
Kinetic energy
DNA replication
Osmosis is
Colloid
19. 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
Lipids are
Catalysts
Solute
Structure of DNA
20. In any process - energy is neither created nor destroyed
First law of thermodynam ics
Enzymatic
Suspension
Solvent
21. Another nucleic acid; single strand; sometime replaces thymine
RNA
Enzymatic
Chitin
Hydrolosys in disaccharides
22. Matter is composed of ______
Osmosis is
Solvent
Elements
Structure of DNA
23. Smallest unit of an element
Atom
Enzymatic
DNA
Disaccharides
24. Process of making two DNA molecules from one strand
DNA replication
Colloid
RNA
Solute
25. 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
Solvent
RNA
Atom
Fatty acids
26. Particles are mixed but not dissolved
Suspension
Carbon
Potential energy
Energy is
27. Organic compounds that contain carbon - hydrogen and oxygen; provide structure and store energy
Kinetic energy
Glycogen
Carbohydrates
Hydrolosys in disaccharides
28. Made of nucleotides; sugar - phosphate - base; adenine - thyOOmine; guani`ne - cytosine
Biosynthesis is
Suspension
Structure of DNA
Monosaccharides
29. What is chief ingredient in living things?
Cellulose
Osmosis is
Atom
Carbon
30. Cannot change between gel and sol (ex. egg whites)
DNA
DNA replication
Nonreversible colloid
Endothermic reaction
31. Affect the rate of the reaction but are not changed in the reaction
Catalysts
Disaccharides
Protoplasm
Nonreversible colloid
32. Whenever energy is used - some of the energy is wasted
Carbohydrates
Second law of thermodynamics
Elements
Protoplasm
33. Polysaccharide; animal starch (animals and humans eat starches abd break them down to monosaccharides; the liver converts them to glycogen for storage)
Glycogen
Entropy
Carbohydrates
Chitin
34. Gives off heat; exo - outside
Endothermic reaction
Exothermic reaction
Energy is
Atom
35. Mixture of fine particles that do not settle out quickly (ex. protoplasm)
Colloid
Solute
Biosynthesis is
Entropy
36. Dissolved
Solute
Energy is
Fatty acids
Atom
37. Is a polysaccharide; stored by plants; a major energy source for humans; humans can't make it
Starch
Suspension
Chitin
Nonreversible colloid
38. The increase in randomness and loss of usable energy
Atom
Fatty acids
Lipids are
Entropy
39. 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 ...
DNA
Enzymatic
Disaccharides
Polysaccharides
40. Proteins only one that are...
Potential energy
Monosaccharides
Enzymatic
Solution