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