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

Biology & Microbiology

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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.

Biology & Microbiology

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

Biology & Microbiology

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

Biology & Microbiology

The most common terminal electron acceptor for Staphylococcus species is carbon dioxide.

Answer the following statement true (T) or false (F)

Biology & Microbiology