Pine pollen is primarily disseminated by:
a. birds.
b. wind.
c. water.
d. beetles.
e. moths.
B
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Refer to the figure above. The mRNA is smaller than the length of the DNA that codes for it because _____
A) the regulatory regions (exons) of the gene are not transcribed B) post-transcriptional modification removes the introns C) post-transcriptional modification removes the exons D) bases are added to the tail of the primary transcript
Compare and contrast the advantages and disadvantages of gas exchange in terrestrial and aquatic
environments. What will be an ideal response?
The capture and use of energy by living organisms involves numerous chemical reactions. Collectively these processes are known as
a. metabolism. b. anabolic reactions. c. respiration. d. catabolic reactions.
Inflammatory lesions include ____________ , ulcers, and cellulitis.
Fill in the blank(s) with the appropriate word(s).