Biology, Eighth Edition (Raven)

Chapter 4: Cell Structure

Pre Test

1
Which of the following is an incorrect match for a type of microscopy and how it can be used for biological investigation? (p. 62)
A)Scanning electron microscopy - investigation of the surface of a cell or tissue.
B)Confocal microscopy - computer reconstruction of a 3-D image of cells.
C)Transmission electron microscopy - analysis of DNA sequences by directly viewing the arrangement of atoms within bases.
D)Dark-field microscopy - shining light at an angle onto the specimen to view an image made of light reflected from the specimen.
E)Bright-field microscopy - light is transmitted through a fixed, stained (and usually dead) specimen in order to view structural details.
2
True or False: Prokaryotes rarely possess a cell wall. (p. 64)
A)True
B)False
3
The nucleoplasm is connected to the cytoplasm through the action of: (p. 68)
A)nucleoli
B)chromatin
C)chromosomes
D)nucleopores
E)endoplasmic reticulum
4
Which of the following is not a function of the Golgi apparatus? (p. 71)
A)Synthesizing protein
B)Packaging protein
C)Sorting protein
D)Collecting protein
E)All of these are functions of the Golgi apparatus
5
True or False: A major function of both chloroplasts and mitochondria is to manufacture ATP. (p. 75)
A)True
B)False
6
The three principle fibers of the cytoskeleton are: (p. 78)
A)Actin, myosin, and centrioles
B)Actin, tubulin, and intermedin
C)Microtubules, microfilaments, and intermediate filaments
D)Proteins, phospholipids, and polysaccharides
E)Vesicles, connector molecules, and molecular motors
7
The "9 + 2" architecture of microtubules that allows for eukaryotic cell movement is associated with which of the following structures? (p. 80)
A)flagella
B)cilia
C)basal bodies
D)all of the above
E)"a" and "b" only
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