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