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