
?
A. stamen
B. carpel
C. filament
D. Site of pollen production
E. Sticky landing pad for pollen grains
F. Pollen tube extends inside this structure
G. ovary
H. Main function is to attract pollinators
I. sepal
J. receptacle
K. Structure that develops into a seed
A. 1
B. 2
C. 3
D. 4
E. 5
F. 6
G. 7
H. 8
I. 9
J. 10
K. 11
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In the figure, at the arrow marked II, what enzyme(s) are being utilized?
A) reverse transcriptase B) viral DNA polymerase C) host cell DNA polymerase D) host cell RNA polymerase E) host cell DNA and RNA polymerases
Which of the following organisms can function as chemoautotrophs? (Select all correct choices.)
A. eukaryotes B. bacteria C. archaeons
Inheritance is the process by which genetic information is ____
a. transmitted to offspring in the form of RNA b. transmitted to offspring in the form of DNA c. transcribed from DNA into RNA d. transmitted to offspring in the form of proteins e. translated from RNA into proteins
In the anammox reaction ________.
A. nitrogen gas is evolved B. anaerobic oxidation of ammonia is coupled to the reduction of nitrite C. all reactions must take place in the absence of O2 D. All of the choices are correct.