Which of the following statements best describes our understanding of the role of condensins during cell division?
A. Condensins form rosettes of supercoiled DNA.
B. Condensins form solenoid shaped supercoiled DNA.
C. Using ATP, condensins form rosettes of supercoiled DNA.
D. Using ATP, condensins form solenoid-shaped supercoiled DNA.
E. In association with topoisomerase I, condensins stabilize nicked DNA.
C
You might also like to view...
Mitochondria and chloroplasts are thought to have once been free-living bacteria that invaded another cell
Indicate whether this statement is true or false.
A pollination syndrome is
A. the synchronous release of pollen by many individuals of wind-pollinated trees. B. specializations of plants that attract a specific kind of pollinator. C. the simultaneous release of two sperm, one to affect fertilization and the other to initiate formation of endosperm. D. a brushlike tongue of hummingbirds to which pollen adheres. E. a series of bristles on the backs of insects to which pollen adheres.
Susie is pregnant with her first child. Because of her advanced maternal age and a family history of various genetic disorders, her doctor has recommended genetic testing to ensure her offspring is healthy. Her doctor places a long thin suction tube through her vagina into the uterus, where it obtains fetal cells from the chorion of the developing embryo. These cells are then sent off for testing. What is this type of procedure called?
A. amniocentesis B. fluorescent in-situ hybridization (FISH) C. karyotyping D. chorionic villus sampling (CVS)
NPP can be measured via satellite data because vegetation has
A) high reflectance in the NIR and low reflectance in VIS. B) low reflectance in the NIR and low reflectance in VIS. C) high reflectance in the NIR and high reflectance in VIS. D) low reflectance in the NIR and high reflectance in VIS.