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