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