Which of the following statements about the cell wall is FALSE?
A. The cell wall constitutes the ECM of plants.
B. The cell wall is composed predominantly of proteins.
C. The cell wall provides protection, rigidity, and shape to plant cells.
D. The cell wall is composed of two distinct layers.
E. The cell wall is composed mainly of carbohydrates.
B. The cell wall is composed predominantly of proteins.
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The risk of heart attacks and stroke can be reduced by avoiding the conditions that damage the blood
vessel artheroslerotic plaque.
Indicate whether the statement is true or false.Xylem transports water and dissolved nutrient minerals in which direction?
a. upward b. downward c. inward laterally d. outward laterally e. both upward and downward
The concept that Earth's present landscape is due to gradual geological processes was proposed by
A) Malthus. B) Aristotle. C) Buffon. D) Lamarck. E) Lyell.
A seed that lands in the forest soil is homozygous mutant for the CONSTANS (CO) gene, and as a result does not produce any functional CONSTANS protein. What do you predict will happen during the development of this seed?
A. It will germinate and grow vegetatively. If it is from a photoperiodic species, it will fail to produce flowers. B. It will fail to germinate. C. It will germinate and grow vegetatively, but will never produce flowers. D. It will germinate and grow vegetatively, and then it will produce flowers earlier than wildtype.