Which of these organisms convert atmospheric nitrogen gas to a form that can be utilized by plants?
A) bacteria
B) protists
C) animals
D) fungi
A
You might also like to view...
Which of the following is unique to prokaryotes?
a. chemoautotroph b. chemoheterotroph c. photoautotroph d. photoheterotroph e. chemoautotroph and photoheterotroph
Compare and contrast positive and negative control of gene expression in bacteria
What will be an ideal response?
In peas, a gene controls flower color such that R = purple and r = white. In an isolated pea patch, there are 36 purple-flowering plants and 64 white-flowering plants. Assuming Hardy-Weinberg equilibrium, what is the value of q for this population?
A) 0.36 B) 0.64 C) 0.75 D) 0.80
How is a nerve impulse usually transmitted across a synapse from a presynaptic to a postsynaptic cell?
a) via a direct connection b) via Na+ ions c) via a neurotransmitter d) via a spark e) via plasmodesmata