Which one of the following is NOT associated with phloem tissues?
A. sieve tubes
B. companion cells
C. tracheids
D. parenchyma cells
E. plasmodesmata
C. tracheids
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_____ atoms give organic molecules their overall shape; _____ atoms determine the overall chemical behavior of organic molecules
A) Carbon; H, N, and O B) Hydrogen; C, N, and O C) Carbon; H2O D) H, N, and O; carbon
Transmission genetics ____
a. studies the pattern of inheritance as traits are passed from generation to generation b. reconstructs the pattern of inheritance associated with a trait as it passes through several generations c. maps genes to study chromosome structure and abnormalities in chromosome numbers and organization d. uses recombinant DNA technology to identify, isolate, and produce millions of copies of genes that can be studied in the laboratory e. sequences the complete human genome
Dumping refers to the practice of
a. flooding a foreign market with large quantities of a good. b. selling a product abroad at a price below cost or below the domestic price. c. exporting inexpensive products to foreign countries. d. selling surplus goods abroad with counterfeit brand names.
Which of the following is not a predicted response to climate change due to global warming?
1.Changes of geographical distribution in populations, species and communities. 2.Distribution of polar species will contract to higher latitudes. 3.Lowland species will move to higher elevations. 4.All of these changes have been predicted.