You obscrved that the cell undergoes both growth and DNA replication. In whatphase in cell cycle do these processes take place?A. In interphase where the cell prepares for division.B. In Gl phase only, where the cell increases in sıze.C. In both interphase and M phase, where the cell undergoes cytokinesis.D. In M phase only, where the number of chramosomes of parent and progenyare the same.Which checkpoints ensure that growth factors are available and check whetherDNA replication in S phase has hcen successfully completed respectively?Comtoytum1Source: Jane Reece, et al, Campbett Biology NinthEdition. ISan Francisco, California: Pearson BenjaminCummings.2010ummings 2010A. 1 and 2B. 2 and 4C. 3 and 1D. 4 and 2For Item 3, refer to the numbered options inside the box.1. DNA replication.2. Cell grows in size.3. Cytokinesis occurs.4. Nucleus divides into two.5. Proteins are synthesized for cell division.What happen during the G1, S. G2 or interphase stage of the cell cycle?al 1, 2, and 3b) 5, 4, and 2c) 4, 2, and 1d) 2, 1, and 5

You obscrved that the cell undergoes both growth and DNA replication. In what phase in cell cycle do these processes take place? A. In interphase where the cell prepares for division. B. In Gl phase only, where the cell increases in size. C. In both interphase and M phase, where the cell undergoes cytokinesis. D. In M phase only, where the number of chromosomes of parent and progeny are the same.

You obscrved that the cell undergoes both growth and DNA replication. In what phase in cell cycle do these processes take place? A. In interphase where the cell prepares for division. B. In Gl phase only, where the cell increases in size. C. In both interphase and M phase, where the cell undergoes cytokinesis. D. In M phase only, where the number of chromosomes of parent and progeny are the same.

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter6: Reproduction At The Cellular Level

Section: Chapter Questions

Problem 4RQ: Chromosomes are duplicated during what portion of the cell cycle? a. G 1 phase b. S phase c....

See similar textbooks

Similar questions

At which point in the cell cycle are cells the smallest? a. the beginning of G1 b. S c. G2 d. the beginning of mitosis
In the mitosis experiment, in what stage were most of the onion root tip cells in? Based on what you know about cell cycle division, what does this imply about the life span of a cell? Were there any stages of the cell cycle that you did not observe? How can you explain this using evidence from the cell cycle?
A biologist examines a series of cells and counts 160 cells in interphase, 20 cells in prophase, 6 cells in prometaphase, 2 cells in metaphase, 7 cells in anaphase, and 5 cells in telophase. If the complete cell cycle requires 24 hours, what is the average duration of the M phase in these cells? Of metaphase?
What is the role of cohesin proteins in cell division? a. They organize the DNA of the chromosomes into highly condensed structures. b. They hold the DNA of the sister chromatids together. c. They help the cell divide into two daughter cells. d. They connect microtubules and chromosomes.
Measurements of the amount of DNA per nucleus were taken on a large number of cells from a growing fungus. The measured DNA levels ranged from 3 to 6 picograms per nucleus. One nucleus had 5 picograms of DNA. What stage of the cell cycle was this nucleus in?
A scientist is studying control of the cell cycle. To do this, she decides to fuse cells in different phases of the cell cycle together, and then study the results. She fuses a frog cell in the G1 phase with a frog cell in the M phase. What do you think will happen?
During the cell cycle, overlapping inter-polar microtubules begin elongation during __________, whilechromosome separation commences during __________. A. Metaphase, anaphase B.B. Metaphase, anaphase A.C. Anaphase A, anaphase B.D. Anaphase B, metaphase.E. Anaphase B, anaphase A.
In eukaryotic cells, which occurs during the prophase of mitosis? A. appearance of the nuclear envelope B. breakup of the nuclear envelope C. replication of DNA D. separation of sister chromatids E. duplication of chromatids
During which phase of mitosis do the chromatids become chromosomes? A. Prophase B. Telophase C. Cytokinesis D. Metaphase
During which phase of the cell cycle is the genetic material duplicated? a. Metaphase b. Anaphase c. Telophase d. Interphase e. Prophase
During which stage of the cell cycle would a cell contain the least total amount of DNA?
During which phase of mitosis do the microtubules in the spindle shorten? A. prophase B. metaphase C. anaphase D. telophase