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