The chemical signal for slime mold amoebas to aggregate is:
a. cAMP. c. cGMP.
b. cCMP. d. cTMP.
A
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Lysogenized cells
A. are immune to any further infection by any virus. B. are immune to infection by the same virus. C. may have new properties. D. respond to infection with the SOS response. E. are immune to infection by the same virus AND may have new properties.
What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring of genotype
Aa bb CC? a. 1/64 b. 1/32 c. 3/64 d. 1/16 e. 9/64
Based on Figure 18-11, the two present day continents that should have the most closely related plant
and animal species are:a.
North and South America.
b. Africa and Australia.
c. Africa and South America.
d. Australia and India.
e. Eurasia and India
In Philadelphia chromosome t(9;22) translocation, which of the following genes is translocated from chromosome 9?
A. p53 B. Rb C. K-Ras D. C-Abl E. C-myc