Plant cell walls contain
A. chitin
B. collagen
C. proteoglycans
D. laminins
E. cellulose
E. cellulose
You might also like to view...
Why are some body cells responsive to a particular hormone, whereas others are not?
A. Responsive cells express a specific receptor for the hormone. B. Responsive cells are located closer to the gland that releases the hormone. C. Whether or not a cell responds to a hormone depends entirely on what type of cell it is (liver cell vs. fat cell vs. nerve cell) because hormones only activate one type of cell. D. Responsive cells have complex signal transduction pathways, whereas cells that do not respond to a particular hormone lack these pathways. E. All of the answer options are correct.
The ________ pathway uses a set of proteins that bind to ends of two broken DNA fragments and join them together.
Fill in the blank(s) with the appropriate word(s).
A researcher is studying fairy shrimp in a desert pond that is also inhabited by spadefoot
toads. Which of the following is true regarding these animals?
a. They share the same niche. b. They share the same habitat. c. They are both detritivores. d. They have the same resource requirements
Biomes are defined by
A) their size B) plants, animals, and inorganic matter C) temperature and rainfall D) types of animals E) communities