If allele W has a frequency of 0.6, and allele w has a frequency of 0.4, what is the predicted frequency of heterozygous offspring?
a. 0.36
b. 0.24
c. 0.48
d. 0.16
c. 0.48
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A region where old oceanic crust is being destroyed is called:
a. a spreading center. b. a midocean ridge. c. a seamount. d. a subduction zone. e. an atoll.
The site for ATP synthesis in bacterial cells is the ________.
A. cell wall B. ribosome C. cell membrane D. microcompartment E. mitochondrion
Ionotropic receptors act by activating G proteins in target cells.
Answer the following statement true (T) or false (F)
Which of the following statements describe advantages that seeds have over spores?
A. Seeds have tough walls that allow dispersal through the air. B. Seeds employ various means of dispersal, allowing colonization of more diverse habitats. C. Seeds are produced in greater numbers. D. Production of seeds does not require water as a medium for sperm transport. E. Seeds are able to store food.