We think of termites as insects that "eat" wood. In fact, however, termites rely on a variety of eukaryotic and prokaryotic gut microbes to digest cellulose—without the microbes, the termites will ingest wood, but will starve
This, then, is an example of a(n);
A. obligate mutualism
B. obligate antagonism
C. facultative mutualism
D. facultative antagonism
E. none of the answer options are correct.
A
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Which of the following statements is not true of root hairs?
A. They are extensions of the root epidermis. B. They function to increase the surface area of roots. C. They are not in direct contact with vascular tissue. D. They are large cells on the surface of roots.
Intrinsically unstructured proteins:
A. have no function because they are unstructured. B. only function in membranes. C. are capable of binding to several different sites on different partners. D. are more common in bacteria than in humans. E. are only observed in diseased cells.
Based on what you know about the biochemical composition of cells from Chapter 1 in your text book, the primary information containing building blocks of chromosomes are likely
A. amino acids. B. lipids. C. nucleotides. D. carbohydrates.
An example of an ectothermic organism that has few or no behavioral options when it comes to its ability to adjust its body temperature is a _____
A) sea star living deep in the ocean B) bass living in a farm pond C) hummingbird flying through a prairie D) honeybee in a hive on a rural farm