A researcher examining a root tip observes a plant cell with condensed sister chromatids, kinetochores with attached microtubules, and individual chromosomes that are aligned at the equatorial plate of the cell. Which of the following best describes what the next process will be in the cell?
(A) Homologous chromosomes (each with two sister chromatids) will move toward opposite poles of the cell.
(B) Paired chromatids will separate, and the new daughter chromosomes will move toward opposite poles of the cell.
(C) The nuclear envelope will break down, and the spindle will begin to form.
(D) The chromatin will decondense, and the daughter cell will enter interphase.
Answer: (B) Paired chromatids will separate, and the new daughter chromosomes will move toward opposite poles of the cell.
You might also like to view...
Signaling involves molecule A that binds another specific molecule B, often delivering the signal in the process. What do we call molecule A in this scenario?
a. target cell b. receptor c. ligand d. enzyme
Which of the following organisms is part of the normal flora of the skin, nose, throat, and intestines of humans, and is also a leading cause of bacterial disease?
a. Propionibacterium acnes b. Corynebacterium diphtheriae c. Staphylococcus aureus d. Staphylococcus epidermidis
Transformed cells contain
a. transformants. b. new genes. c. bacteria. d. none of these choices.
A dance that recruits other bees into foraging directly
toward the sun is indicated by a. A. b. B. c. C. d. D. e. E.