Which of the following statements about mitosis is true?
a. The chromosome number in the resulting cells is halved.
b. DNA replication is completed in prophase.
c. Crossing over occurs during prophase.
d. Two genetically identical daughter cells are formed.
e. It consists of two nuclear divisions.
Ans: d. Two genetically identical daughter cells are formed.
You might also like to view...
A bacterium that catabolizes a compound by linking ion pumps to establish a proton or sodium motive force for energy
A) can circumvent substrate-level and oxidative phosphorylation. B) makes insufficient energy to grow but enough for cellular maintenance to survive. C) requires a second bacterium to cooperatively drive the gradient. D) still requires another carbon substrate to provide a carbon source.
Cytoskeletal elements are found in the
A) Eubacteria. B) Archaea. C) Eukarya. D) choices B and C only E) all of the above
Enzyme-linked immunosorbent assays (ELISAs) are available that can serologically identify which Bacillus species?
a. B. cereus b. B. subtilis c. B. thuringiensis d. B. anthracis
The waste product of microbial decomposition is converted to what in acidic soils?
A) NH4+ B) NH3 C) NO42- D) NO3-