The primary function of the leaf structure labeled 5 in Figure 9-1 is:
a. food storage.
b. photosynthesis.
c. water transportation.
d. gas exchange.
e. nutrient absorption.
D
You might also like to view...
Microorganisms play key roles in the cycling of important nutrients in plant nutrition, particularly those of
A) carbon. B) nitrogen. C) sulfur. D) carbon, nitrogen, and sulfur.
If a restriction endonuclease cuts a linear DNA three times, how many fragments should there be after the DNA is
subjected to electrophoresis through an agarose gel?
a. 1 b. 2 c. 3 d. 4 e. 5
What is genetic diversity? Why is it important to maintain genetic diversity?
What will be an ideal response?
Unexpected phenotypes can be the result of
a. altered metabolic pathways. b. a gene mutating in different ways in different individuals. c. an environmental effect during development. d. a post-developmental environmental effect. e. any of these