The structure that separates epithelial tissue from the underlying supporting tissue is the ____
a. duct system
b. cytoskeleton
c. free epithelial surface
d. basement membrane
e. plasma membrane
ANSWER: d
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Which type of microscopy would be preferred for showing fine internal detail of the eukaryotic organelles?
A. Bright-field microscopy B. Transmission electron microscopy C. Scanning electron microscopy D. Fluorescence microscopy
The hypothalamus maintains homeostasis and regulates temperature control, water balance, and carbohydrate metabolism.
a. true b. false
In an HIV-infected cell producing HIV virus particles, the viral glycoprotein is expressed on the plasma membrane. How do the viral glycoproteins get to the plasma membrane? They are synthesized _____
A) on ribosomes on the plasma membrane B) by ribosomes in the rough ER and arrive at the plasma membrane in the membrane of secretory vesicles C) on free cytoplasmic ribosomes and then inserted into the plasma membrane D) by ribosomes in the rough ER, secreted from the cell, and inserted into the plasma membrane from the outside
The biological specialty that deals with the reconstruction and study of phylogenies is called ________.
Fill in the blank(s) with the appropriate word(s).