A basement membrane ____
a. is a cell membrane
b. is a specialized lipid bilayer
c. forms on the surface of plant cells
d. supports and organizes animal tissues
e. is a sheet of non-fibrous material
ANSWER: d
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Answer the following statements true (T) or false (F)
1. There could be as many as 100 trillion microorganisms that live on us and in us. 2. The most common organisms in the indigenous microflora of the mouth are various species of b-hemolytic streptococci. 3. Microbes cause thousands of different types of plant diseases. 4. Most relationships between humans and microbes are beneficial rather than harmful. 5. Beneficial microorganisms far outnumber harmful ones.
Nonprotein catalysts are known as ________.
Fill in the blank(s) with the appropriate word(s).
Two species of phorid flies are being used to control
fire ants. The fly a. is a parasitoid of the fire ant. b. lays an egg in the ant’s soft internal tissues. c. produces a larva that eats the ant’s interior. d. larva uses the ant’s empty head as a metamorphosis chamber. e. fits all of these descriptions.
Which of the following establish the broad goals of life by defining what is considered good, true, right, beautiful, and acceptable?
A) Institutions B) Values C) Ideologies D) Cultural habits