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