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