All of the following statements about cellulose are true EXCEPT:
A. Cellulose is composed of fibers of carbohydrates.
B. Cellulose is an important source of plant fiber for our diet.
C. Cellulose is the primary molecule found in wood.
D. Cellulose is one of the most abundant organic molecules on Earth.
E. Certain animals like ourselves can easily digest cellulose and use it as a source of energy.
A. Cellulose is composed of fibers of carbohydrates.
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Which of the following is false?
a. Periderm is a primary tissue. b. There is no tissue in animals that corresponds to meristem tissue of plants. c. Growth from cell division at the tips of stems and roots produces primary growth. d. Divisions of the lateral meristem increase the diameter of the roots and stems. e. Lateral meristem activity produces secondary growth.
According to the currently popular scientific theory for the origin of life, which of the following occurred before all of the others?
A. Eukaryotic organisms B. Oxygen in the atmosphere C. Prokaryotic organisms D. Photosynthesis
bile aids in the breakdown of which moecule
What will be an ideal response?
Identify the labeled structures that are involved in olfaction. Briefly describe the function of each structure. A: ________B: ________C: ________
What will be an ideal response?