Unformatted text preview: 20) Tay-Sachs disease is a human genetic abnormality that results in cells accumulating and becoming clogged with very large and complex lipids. Which cellular organelle must be ‘
involved in this condition? A) the endoplasmic reticulum the Golgi apparatus
the lysosome D) mitochondria
E) membrane-bound ribosomes A 21) The Golgi apparatus has a polarity or sidedness to its structure and function. Which of the
following statements correctly describes this polarity?
a) Transport vesicles fuse with the cis face of the Golgi and leave from the trans face.“
b) Proteins in the membrane of the Golgi may be sortbd and modiﬁed as they move from
one side of the Golgi to the other. \/ c) Lipids in the membrane of the Golgi may be sorted and modiﬁed as they move from
one side of the Golgi to the other.\/’
d) Soluble proteins in the eistemae (interior) of the Golgi may be sorted and modiﬁed as ,~. they move from one side of the Golgi to the other. /
.1] of the above correctly describe polar characteristics of the Golgi function. 22) Grana, thylakoids, and stroma are all components found in
c) mitochondria. d) lysosomes.
e) nuclei. 23) You are observing cytoplasmic streaming of chloroplast in a plant cell. Your best choice
for a microscope would be a -a‘)’ light microscope because of its resolving power .437 transmission electron microscope, in order to see through the cell wall
4?)” scanning electron microscope, because of its great resolving pOWer '
d) seaming electron microscope, because the specimen is alive (' ' - 1i ht microsco e, because the s eeimen is alive ...
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- Spring '07