The process whereby genetic exchange occurs by way of viruses carrying genes from one microbe to another is known as:
A. conjugation
B. transduction
C. transformation
D. transubstantiation
E. interchange
B. transduction
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The figure above represents net primary productivity organized by _____
A) biome B) geography C) region D) continent
Blood enters the kidney through ____ and
leaves the kidney through ____.
a. the renal vein; the renal artery b. the nephron; the renal capillary c. the renal artery; the renal vein d. the renal artery; the nephron e. none of these
Which of the following factors exhibits one of the most striking changes as one crosses the ecotone between communities on serpentine and nonserpentine soils in southwestern Oregon?
A) soil depth B) soil temperature C) soil chromium D) soil moisture
Chromosomes are duplicated during what portion of the cell cycle?
A) M B) G2 C) S D) G1 E) D