Answered: At which of the cell-cycle checkpoints…

At which of the cell-cycle checkpoints do external forces have the greatest influence? a. G1 checkpoint b. G2 checkpoint c. M checkpoint d. G0 checkpoint

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 7RQ: What is necessary for a cell to pass the G2 checkpoint? a. cell has reached a sufficient size b. an...

See similar textbooks

Related questions

Q: 3) Draw a diagram of the cell cycle (G1, S..) and indicate places where errors in cell division…

A: Cell cycle It refers to a series of events that takes place in a cell leading to the growth,…

Q: Often mutations in cyclin dependent kinases, CDKs, can cause cancer. This is because a. CDKs…

A: Cyclins are one which drives the cell cycle events by working with enzymes called Cyclin-dependent…

Q: Describe the general conditions that must be met at each of the three main cell-cycle checkpoints

A: The cell cycle is monitored at the three check points, which are G1 , G2 and the third one is during…

Q: In a cell cycle Select one: a. DNA is replicated and passed to homologous chromosomes during…

A: Cell cycle consists of interphase and mitotic phase. Interphase has three sub-stages, G1 phase S…

Q: Why are dominant mutations in proto-oncogenes generally not inherited? A. Inherited mutations in…

A: Cancer is a condition that manifests as the unchecked growth of a collection of abnormal cells that…

Q: What is necessary for a cell to pass the G2 checkpoint?a. cell has reached a sufficient sizeb. an…

A: Cells reproduce by a cycle of growing and dividing called a cell cycle. The cell cycle is the…

Q: During which phase of mitosis do the chromosomes line up along the middle of the dividing cell?

A: Mitosis : It is a type of cell division in which a parent cell divides into two identical daughter…

Q: At what point in the cell cycle does the amount of DNA double in a cell?

Q: Which of the following is typical of cancer cells? A. The parent cell of the tumor contains a…

A: Cancer develops when the cells grow without any control and start crowding the cells which are…

Q: What would be the most likely effect of a mutation that causes cyclin B to be unable to bind to CDK?…

A: BASIC INFORMATION CELL DIVISION It is necessary for all the cells In this the parent cell divides…

Q: In which stage of the eukaryotic cell cycle is the genetic material properly referred to as…

A: Cell division is the process by which a cell divides into two daughter cells. Cell division is a…

Q: During this stage of mitosis, the chromosomes become attached to the spindle fibers. A.…

A: Mitosis is a process where a single cell divides into two identical daughter cells . During mitosis…

Q: Which of the following statements is true regarding cell cycle regulators? a. Cyclins determine…

A: Cell cycle doesn't occur in unchecked manner. Cell preperation is usually checked by regulatory…

Q: Why would the failure of the p53 tumor supressor gene be more likely to cause cancer in a seventy…

A: Tumor protein p53, which plays a crucial role in the cellular response to DNA damage, is one of the…

Q: 8. Cell radiosensitivity depends on the part of the cell cycle cell is in. The most sensitive phase…

A: Q 8. Answer :- a) G2 phase Because the cell cycle phase that also to be determines as a cell's…

Q: Prophase is the stage of mitosis characterized by the a. physical seperation of sister chromatids b.…

A: Mitosis is the process of asexual reproduction by which the cell divides into two and produces a…

Q: What factors needed to proceed with the cell cycle of Mitotic checkpoint?

A: Each step of the cell cycle is monitored by internal controls called checkpoints. There are three…

Q: 1. (a) Describe the generalized model of the cell cycle. Demonstrate how cyclins and…

A: For proper cellular homeostasis, cell cycle control is essential. Communication between or within a…

Q: List and briefly describe three major cell cycle checkpoints. For each checkpoint, predict the…

A: According to the question, we have to make a list and briefly describe three major cell cycle…

Q: How does gene activation lead to cell differentiation? Explain the correct answer and explain why…

A: Cell differentiation is a method by which a particular cell achieves a specific fate and become…

Q: Which of the following would be expressed at varying levels during different parts of the cell…

A: Cyclins Cyclins are groups of protein that work together to regulate different phases of the cell…

Q: kage b. DNA fragmentation c. the manufacture of cells d. activation of cellular en

A: The smallest and basic unit of life is known as cell. It is the structural and function unit of all…

Q: What is a role of cyclines in regulating the cell cycle? Describe the significance of checkpoints…

A: The "cell cycle", also known as "cell division", is a set of processes that occur in a cell leading…

Q: In the cells of some organisms, mitosis occurs without cytokinesis. This will result in a.…

A: Cytokinesis is the physical process of the division of the cytoplasm of the parent cell into two…

Q: A cell can normally halt its progression through the cell cycle at different checkpoints. Which of…

A: The cell cycle, also known as the cell-division cycle, is the sequence of events that occurs in a…

Question

At which of the cell-cycle checkpoints do external forces
have the greatest influence?
a. G1 checkpoint
b. G2 checkpoint
c. M checkpoint
d. G0 checkpoint

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Introduction

VIEW

Step 2: Explanation

VIEW

Step 3: Conclusion

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.

Similar questions

Cell cycle checkpoints are found in the following phases EXCEPT: a. G1 phase b. S-phase c. G2 phase d. M phase
which of the following determine if there is sufficient machinery (enzymes/ proteins) to complete mitosis and cytokinesis. a. checkpoint G1 b. checkpoint G2 c. checkpoint M
What would be the most likely effect of a mutation that causes cyclin B to be unable to bind to CDK? a. Cells pass through the G2/M checkpoint and enter mitosis even when DNA has not been replicated. b. Cells never pass through the G1/S checkpoint. c. Cells pass through mitosis more quickly than nonmutated cells. d. Cells fail to pass through the G2/M checkpoint and do not enter mitosis.
Which of the following statements is true regarding cell cycle regulators? a. Cyclins determine which proteins each Cdks will act on. b. Cdks check the DNA for damage and repairs it. c. Cyclin binding to Cdks will result to Cdk inactivation. d. Cyclin levels remain constant through the cell cycle.
Which of the following would not happen if G₁ checkpoint was mutated or damaged in a cell? a The cell would not be large enough. b The cell would not continue on to the S stage. c The cell would not have enough nutrients to enter the next stage. d The cell would die.
Which of the following would be expressed at varying levels during different parts of the cell cycle? A. cyclin-dependent kinases B. RNA polymerase C. cyclins D. Glycolysis enzymes
List and briefly describe three major cell cycle checkpoints. For each checkpoint, predict the consequences if the checkpoint fails to work properly.
Choose the item in column 2 that best matches each item in column 1. Cdk APC ced mutants EGF A. direct regulation of cell cycle processes B. chromosome separation or cytokinesis mechanisms C. mitogen signaling pathways D. apoptosis
Which of the following statements about the cell cycle is TRUE? a. The protein APC blocks cells from entering anaphase b. CDKs are degraded after each cell cycle phase by the addition of a ubiquitin chain to the proteins c. A kinase is a protein that adds a ubiquitin chain to other proteins Cyclin activity is necessary, but not always sufficient, for CDK activation d. Cyclin proteins must be degraded before Cdk proteins can be activated
Which negative regulatory molecule can trigger cell suicide (apoptosis) if vital cell cycle events do not occur? a. p53 b. p21 c. retinoblastoma protein (Rb) d. cyclin-dependent kinase (Cdk)
You have a cell with a mutated and abnormal p53 protein. Which of the following will be affected in that cell? a. Apoptosis b. DNA repair c. Ability to arrest/pause the cell cycle 1. a,b and c 2. a & b 3. a&c 4. b only
During the cell cycle, in which sub-phase(s) of interphase do restriction checkpoints exist to monitor the progress of the cell as it prepares to divide? O a. G₁ phase O b. S phase O c.G2 phase d. G₁ and G2 phases O e. G₁, S, and G2 phases