In addition to the nucleosome, DNA in a chromosome has several more levels of folding and
compaction. Indicate whether the statement is true or false.
T
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What happens during cytokinesis?
A. The sister chromatids line up in the middle of the cell. B. The cytoplasm is split and distributed to the two daughter cells created during mitosis. C. The sister chromatids split apart and go to opposite sides of the cell. D. The cytoplasm replicates itself to be distributed to the two daughter cells created during mitosis.
Answer the question using the accompanying figure. In the diagram of a root tip, the structure labeled "4" is the ____
a. quiescent center b. zone of cell division c. zone of elongation d. root cap e. zone of maturation
Which hormones encourage the maintenance of the uterine lining?
a. HCG, estrogen, progesterone b. Estrogen, progesterone, testosterone c. HCG, testosterone, estrogen d. Progesterone, LH, estrogen e. Estrogen, FSH, progesterone
What will happen when the Na+ channel is open?
a) There will be net movement of Na+ out of the cell through the channel b) There will be no net movement of Na+ through the channel c) There will be net movement of Na+ into the cell through the channel