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