Which of the following statements concerning microsporidia is FALSE?
a. Some divide by binary fission.
b. They have mitochondria and Golgi complexes.
c. They have a feeding stage and a reproductive stage.
d. They are parasitic.
e. They are classified with the zygomycetes
B
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Some protists have complex life cycles and change between the haploid and diploid state. This process is called
__________ of _________. Fill in the blank(s) with the appropriate word(s).
Which of the following is a true statement regarding lysogeny?
A. It halts the viral life cycle because the phage genes are no longer replicated. B. The host bacterial cell is lysed once the phage genome is integrated. C. The host bacterial cell acquires new characteristics that are often detrimental to humans. D. Once the phage genome is integrated into the host cell, it remains there permanently.
If long or round are homozygous forms of an incompletely dominant gene and oval is the phenotype of
the heterozygote, give the F2 ratio of the cross between long and round (both genotype and phenotype). What will be an ideal response?
What is the function of the E. coli proteins MreB, PBP2, and RodA?
What will be an ideal response?