These questions will be similar to the ones on the second lecture test (chapters 3 & 4).
1). Which polysaccharide is used for energy storage in plants?
a) glycogen b) chitin c) glucose d) starch
2). Write down the molecular formula of glyceraldehyde : _______________
3). Roughly how wide are microtubules ?
a) 7 micrometers b) 25 micrometers
c) 7 nanometers d) 25 nanometers
4). Which face of the Golgi body dispatches chemicals ? ________ face
5). What two functional groups dissolve well in water ?
a) hydroxyl and carboxyl b) carboxyl and amino
c) amino and phosphate d) hydroxyl and phosphate
6). The hydrogen bonds that form when a protein folds into a certain shape are the:
a) primary structure b) secondary structure
c) tertiary structure d) quaternary structure
7). Which organelle produces new membrane ? _______________________
8). Which of the following bases are found only in DNA ?
a) cytosine b) adenine c) thymine d) uracil
9). What are two advantages of light microscopes:
____________________________________________________________________
10). Monosaccharides and some disaccharides react with:
a) Barfoed’s reagent b) Brown’s reagent
c) Benedict’s reagent d) Benetton’s reagent
11). What are two characteristic of prokaryotic cells?
_________________________________________________________________
12). How many carbon rings are there in a steroid ?
a) 6 b) 3 c) 5 d) 8 e) 4
13). What do ribosomes contain ?
a) DNA + protein b) RNA + protein
c) DNA, RNA + protein d) protein + phospholipid
14). Give two examples of drugs which exist as isomers: ____________________
15). Which functional group contains nitrogen? ______________________
16). Which molecule listed below contains a phosphate group?
a) fatty acid b) DNA c) alcohol d) amino acid
17). A hydrocarbon with three carbon atoms and one double bond is called:
a) butene b) propane c) propene d) butane
18). Which fatal disease is caused by the lysosomes not working?
_________________________________________
19). What does "ER" stand for? (No, not Emergency room!)
________________________ _________________________
20). What is the name for the liquid part of a chloroplast?
a) grana b) cytoplasm c) vacuole d) stroma
21). What is meant by "polymer"? _______________________________________
22). Which type of isomers are mirror-images of each other?
a) geometric b) structural c) functional d) enantiomers
23). List the five chemical elements that are found in nucleic acids:
_______________________________________________________________________
24). What is the function of the cell wall?
_______________________________________________________________________
25). What are two differences between RNA and DNA?
_______________________________________________________________________