Organisms that fix nitrogen are called:
A. fertilizers
B. nitrophiles
C. diazotrophs
D. nodules
E. none of the options listed
C. diazotrophs
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Which of the following is NOT true of horizontal (lateral) transfer of genetic information?
A. transfers genes from parent to progeny B. increases genetic diversity C. is important for inferring phylogeny D. can produce large genetic change E. occurs commonly in bacteria
The degree to which the landscape facilitates or impedes the movement of organisms among patches is referred to as landscape ________
Fill in the blank(s) with correct word
The pollen grains of pine each consists of three cells
____________________ Indicate whether the statement is true or false.
A signal sequence in the polypeptide chain targets all but _______ proteins to the rough ER surface.
a. secreted b. plasma membrane c. mitochondrial d. lysosomal