Chromosomes move toward the poles during
A. metaphase.
B. telophase.
C. anaphase.
D. interphase.
C. anaphase.
You might also like to view...
Which is false regarding the two-component regulatory system in bacteria?
A. One part of the system is exposed to the external cellular environment while another part is exposed to the cytoplasm. B. The system involves a sensor kinase and a response regulator. C. The sensor kinase is phosphorylated by the response regulator when the extracellular environment changes. D. Regulation of OmpF and OmpC porin proteins in E. coli is modulated by this type of system.
The origin of the mitochondrion and chloroplast by endosymbiosis, hypothesizes that these organelles originated by
A. the fusion of two archean cells to form the eukaryote with the eukaryotic mitochondrion and chloroplast inside. B. the absorption of RNA from prokaryotic cells. C. prokaryotic cells being engulfed and becoming internal symbionts within an early eukaryotic cell. D. only the absorption of DNA from dead prokaryotic cells used as food. E. prokaryotic cells being engulfed and becoming external symbionts within an early bacteria cell.
The pulmonary circuit
a. involves the hepatic portal vein. b. moves oxygenated blood to the lungs. c. includes the coronary arteries. d. leads to, through, and from the lungs. e. does all of these.
What color indicates a positive result before the addition of zinc? After?
What will be an ideal response?