Removing plants from an area, as we do when we harvest crops, removes a great deal of nitrogen. One of the ways farmers enable soils to naturally recover is:
A. adding human made fertilizer.
B. planting the field with legumes.
C. adding bacteria to the soil.
D. leaving the soil bare, removing any plants
that would consume nitrogen.
B
You might also like to view...
The ?1 protein produced by the yeast MAT?? allele functions:
A. alone to repress ?-specific genes in haploid ? cells. B. with Mcm1 protein to repress ?-specific genes in haploid ? cells. C. with ?2 protein to repress haploid-specific genes in diploid cells. D. with a1 protein to repress ?-specific genes in diploid cells.
Proteins that regulate gene expression by directly binding to the DNA are known as _____
a. transcription factors b. translation factors c. transposable elements d. methylation e. phosphorylation
What is the term given to the theory which states that the fertilized egg contains a complete miniature adult?
A) preformation B) transduction C) cell theory D) conjugation E) transformation
The most common terminal electron acceptor for Staphylococcus species is carbon dioxide.
Answer the following statement true (T) or false (F)